Quarterly Hogs and Pigs ISSN: 1949-1921 Released December 22, 2017, by the National Agricultural Statistics Service (NASS), Agricultural Statistics Board, United States Department of Agriculture (USDA). United States Hog Inventory Up 2 Percent United States inventory of all hogs and pigs on December 1, 2017 was 73.2 million head. This was up 2 percent from December 1, 2016, but down slightly from September 1, 2017. Breeding inventory, at 6.18 million head, was up 1 percent from last year, and up 1 percent from the previous quarter. Market hog inventory, at 67.1 million head, was up 2 percent from last year, but down slightly from last quarter. The September-November 2017 pig crop, at 33.4 million head, was up 3 percent from 2016. Sows farrowing during this period totaled 3.11 million head, up 2 percent from 2016. The sows farrowed during this quarter represented 51 percent of the breeding herd. The average pigs saved per litter was a record high of 10.74 for the September-November period, compared to 10.63 last year. Pigs saved per litter by size of operation ranged from 7.90 for operations with 1-99 hogs and pigs to 10.80 for operations with more than 5,000 hogs and pigs. United States hog producers intend to have 3.07 million sows farrow during the December-February 2018 quarter, up 3 percent from the actual farrowings during the same period in 2017, and up 5 percent from 2016. Intended farrowings for March-May 2018, at 3.08 million sows, are up 2 percent from 2017, and up 4 percent from 2016. The total number of hogs under contract owned by operations with over 5,000 head, but raised by contractees, accounted for 47 percent of the total United States hog inventory, unchanged from the previous year. Revisions All inventory and pig crop estimates for March 2016 through September 2017 were reviewed using final pig crop, official slaughter, death loss, and updated import and export data. The net revision made to the December 2016 all hogs and pigs inventory was 0.1 percent. The net revision made to the March 2017 all hogs and pigs inventory was 0.4 percent. The net revision made to the June 2017 all hogs and pigs inventory was 0.9 percent. A revision of 1.5 percent was made to the March-May 2017 pig crop. A revision of 0.3 percent was made to the September 2017 all hogs and pigs inventory. Records Record highs for all hogs and pigs, market hogs, pig crop and pigs per litter, by quarter, can be found on page 16. This report was approved on December 22, 2017. Secretary of Agriculture Designate Robert Johansson Agricultural Statistics Board Chairperson Joseph L. Parsons Contents Hogs and Pigs Inventory by Class, Weight Group, and Quarter - United States: 2016 and 2017.............. 4 Sows Farrowing, Pig Crop, and Pigs per Litter - United States: 2016-2018................................ 5 Pigs per Litter by Size of Operation - United States: 2016 and 2017..................................... 5 Breeding, Market, and Total Inventory - States and United States: December 1, 2016 and 2017............. 6 Market Inventory by Weight Group - States and United States: December 1, 2016 and 2017.................. 7 Breeding, Market, and Total Inventory - States and United States: March 1, 2016 and 2017................ 8 Market Inventory by Weight Group - States and United States: March 1, 2016 and 2017..................... 8 Breeding, Market, and Total Inventory - States and United States: June 1, 2016 and 2017................. 9 Market Inventory by Weight Group - States and United States: June 1, 2016 and 2017...................... 9 Breeding, Market, and Total Inventory - States and United States: September 1, 2016 and 2017............ 10 Market Inventory by Weight Group - States and United States: September 1, 2016 and 2017................. 10 Annual Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-November 2016 and 2017......................................................................... 11 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-February 2016-2018... 12 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: March-May 2016-2018........... 12 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: June-August 2016 and 2017..... 13 Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: September-November 2016 and 2017........................................................................ 13 Monthly Sows Farrowing, Pigs per Litter, and Pig Crop - United States: December-November 2016 and 2017.. 14 Statistical Methodology................................................................................. 15 Reliability of December 1 Hog Estimates................................................................. 15 Records by Quarter - United States: 1866 to Present..................................................... 16 Information Contacts.................................................................................... 16 Hogs and Pigs Inventory by Class, Weight Group, and Quarter - United States: 2016 and 2017 [May not add due to rounding] ---------------------------------------------------------------------------------- : : : 2017 as Item : 2016 : 2017 : percent : : : of 2016 ---------------------------------------------------------------------------------- : ---- 1,000 head ---- percent : March 1 inventory : All hogs and pigs ....................: 68,124 70,701 104 Kept for breeding ..................: 5,980 6,098 102 Market .............................: 62,144 64,603 104 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 19,897 20,407 103 50-119 pounds ......................: 17,198 17,862 104 120-179 pounds .....................: 13,819 14,435 104 180 pounds and over ................: 11,229 11,899 106 : June 1 inventory : All hogs and pigs ....................: 69,281 71,010 102 Kept for breeding ..................: 5,979 6,109 102 Market .............................: 63,302 64,901 103 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 20,356 20,647 101 50-119 pounds ......................: 18,198 18,741 103 120-179 pounds .....................: 13,291 13,646 103 180 pounds and over ................: 11,456 11,867 104 : September 1 inventory : All hogs and pigs ....................: 71,786 73,299 102 Kept for breeding ..................: 6,016 6,117 102 Market .............................: 65,770 67,182 102 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 21,215 21,568 102 50-119 pounds ......................: 19,271 19,626 102 120-179 pounds .....................: 13,600 13,919 102 180 pounds and over ................: 11,683 12,069 103 : December 1 inventory : All hogs and pigs ....................: 71,545 73,230 102 Kept for breeding ..................: 6,110 6,179 101 Market .............................: 65,435 67,051 102 : Market hogs and pigs by weight groups : Under 50 pounds ....................: 20,887 21,447 103 50-119 pounds ......................: 18,102 18,549 102 120-179 pounds .....................: 13,786 14,105 102 180 pounds and over ................: 12,660 12,949 102 ---------------------------------------------------------------------------------- Sows Farrowing, Pig Crop, and Pigs per Litter - United States: 2016-2018 [May not add due to rounding. Blank data cells indicate estimation period has not yet begun] ------------------------------------------------------------------------------------------- : : : : 2017 as : 2018 as Item : 2016 : 2017 : 2018 : percent : percent : : : : of 2016 : of 2017 ------------------------------------------------------------------------------------------- : ---------- 1,000 head --------- ---- percent --- Sows farrowing ...........: December-February 1/ 2/ : 2,927 2,986 3,070 102 103 March-May 2/ ...........: 2,968 3,014 3,083 102 102 December-May 1/ ........: 5,896 5,999 6,153 102 103 : June-August ............: 3,057 3,103 102 September-November .....: 3,046 3,109 102 June-November ..........: 6,103 6,212 102 : Pig crop .................: December-February 1/ ...: 30,139 31,146 103 March-May ..............: 31,097 31,790 102 December-May 1/ ........: 61,236 62,935 103 : June-August ............: 32,331 33,054 102 September-November .....: 32,372 33,399 103 June-November ..........: 64,703 66,452 103 : : ----------- number ----------- ---- percent --- : Pigs per litter ..........: December-February 1/ ...: 10.30 10.43 101 March-May ..............: 10.48 10.55 101 December-May 1/ ........: 10.39 10.49 101 : June-August ............: 10.58 10.65 101 September-November .....: 10.63 10.74 101 June-November ..........: 10.60 10.70 101 ------------------------------------------------------------------------------------------- 1/ December preceding year. 2/ Intentions for 2018. Pigs per Litter by Size of Operation - United States: 2016 and 2017 [December preceding year] ----------------------------------------------------------------------------------------- : Pigs per litter on operations having 1/ :----------------------------------------------------------------- Pig crop : 1-99 : 100-499 : 500-999 :1,000-1,999:2,000-4,999: 5,000+ : head : head : head : head : head : head ----------------------------------------------------------------------------------------- : number : 2016 : December-February ...: 8.00 8.70 9.10 9.50 10.10 10.40 March-May ...........: 8.10 8.80 9.20 9.60 10.20 10.50 June-August .........: 8.20 8.90 9.30 9.70 10.30 10.60 September-November ..: 8.20 8.90 9.30 9.70 10.40 10.70 : 2017 : December-February ...: 8.00 8.70 9.10 9.50 10.20 10.50 March-May ...........: 7.70 8.40 9.00 9.40 10.30 10.60 June-August .........: 7.80 8.50 9.10 9.50 10.40 10.70 September-November ..: 7.90 8.60 9.20 9.60 10.50 10.80 ----------------------------------------------------------------------------------------- 1/ Pigs per litter rounded to the nearest tenth. Breeding, Market, and Total Inventory - States and United States: December 1, 2016 and 2017 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------- : Breeding : Market : Total :-------------------------------------------------------------------------------------------------- : : : : : : : : : State : : : 2017 as : : : 2017 as : : : 2017 as : : : : : : : : : : 2016 : 2017 : percent : 2016 : 2017 : percent : 2016 : 2017 : percent : : : : : : : : : : : : of 2016 : : : of 2016 : : : of 2016 -------------------------------------------------------------------------------------------------------------------- : ---- 1,000 head --- percent ---- 1,000 head ---- percent ---- 1,000 head ---- percent : Alabama .........: 10.00 10.00 100 30.00 47.00 157 40.00 57.00 143 Alaska ..........: 0.30 0.30 100 1.20 1.20 100 1.50 1.50 100 Arizona .........: 17.00 17.00 100 98.00 143.00 146 115.00 160.00 139 Arkansas ........: 49.00 48.00 98 93.00 83.00 89 142.00 131.00 92 California ......: 6.00 4.00 67 83.00 91.00 110 89.00 95.00 107 Colorado ........: 150.00 150.00 100 520.00 600.00 115 670.00 750.00 112 Connecticut .....: 0.50 0.60 120 3.10 2.10 68 3.60 2.70 75 Delaware ........: 2.50 2.00 80 4.50 4.00 89 7.00 6.00 86 Florida .........: 4.00 3.00 75 14.00 12.00 86 18.00 15.00 83 Georgia .........: 25.00 22.00 88 40.00 58.00 145 65.00 80.00 123 : Hawaii ..........: 2.50 1.00 40 7.50 4.00 53 10.00 5.00 50 Idaho ...........: (D) (D) (D) (D) (D) (D) (D) (D) (D) Illinois ........: 540.00 530.00 98 4,560.00 4,820.00 106 5,100.00 5,350.00 105 Indiana .........: 270.00 260.00 96 3,830.00 3,740.00 98 4,100.00 4,000.00 98 Iowa ............: 1,030.00 1,000.00 97 21,170.00 21,800.00 103 22,200.00 22,800.00 103 Kansas ..........: 165.00 165.00 100 1,745.00 1,935.00 111 1,910.00 2,100.00 110 Kentucky ........: 46.00 45.00 98 384.00 360.00 94 430.00 405.00 94 Louisiana .......: 2.00 2.00 100 5.00 4.00 80 7.00 6.00 86 Maine ...........: 1.00 1.00 100 3.60 3.50 97 4.60 4.50 98 Maryland ........: 3.50 5.00 143 17.50 21.00 120 21.00 26.00 124 : Massachusetts ...: 2.00 1.50 75 6.00 6.00 100 8.00 7.50 94 Michigan ........: 110.00 120.00 109 1,020.00 1,060.00 104 1,130.00 1,180.00 104 Minnesota .......: 570.00 570.00 100 7,930.00 7,930.00 100 8,500.00 8,500.00 100 Mississippi .....: 55.00 51.00 93 475.00 519.00 109 530.00 570.00 108 Missouri ........: 435.00 450.00 103 2,665.00 2,950.00 111 3,100.00 3,400.00 110 Montana .........: 24.00 25.00 104 151.00 154.00 102 175.00 179.00 102 Nebraska ........: 415.00 430.00 104 2,985.00 3,170.00 106 3,400.00 3,600.00 106 Nevada ..........: 0.20 0.10 50 1.00 0.40 40 1.20 0.50 42 New Hampshire ...: 0.60 0.70 117 2.60 2.70 104 3.20 3.40 106 New Jersey ......: 1.50 1.50 100 9.50 11.00 116 11.00 12.50 114 : New Mexico ......: 0.40 0.50 125 1.30 1.10 85 1.70 1.60 94 New York ........: 7.00 6.00 86 39.00 42.00 108 46.00 48.00 104 North Carolina ..: 880.00 900.00 102 8,420.00 8,100.00 96 9,300.00 9,000.00 97 North Dakota ....: 34.00 35.00 103 112.00 112.00 100 146.00 147.00 101 Ohio ............: 200.00 190.00 95 2,500.00 2,710.00 108 2,700.00 2,900.00 107 Oklahoma ........: 450.00 460.00 102 1,710.00 1,740.00 102 2,160.00 2,200.00 102 Oregon ..........: 3.00 1.50 50 10.00 7.50 75 13.00 9.00 69 Pennsylvania ....: 100.00 110.00 110 1,110.00 1,130.00 102 1,210.00 1,240.00 102 Rhode Island ....: 0.40 0.30 75 1.20 1.70 142 1.60 2.00 125 South Carolina ..: 12.00 10.00 83 188.00 175.00 93 200.00 185.00 93 : South Dakota ....: 190.00 215.00 113 1,260.00 1,345.00 107 1,450.00 1,560.00 108 Tennessee .......: 22.00 23.00 105 203.00 212.00 104 225.00 235.00 104 Texas ...........: 110.00 140.00 127 770.00 890.00 116 880.00 1,030.00 117 Utah ............: 75.00 80.00 107 625.00 460.00 74 700.00 540.00 77 Vermont .........: 1.00 1.00 100 3.00 2.70 90 4.00 3.70 93 Virginia ........: 5.00 5.00 100 250.00 230.00 92 255.00 235.00 92 Washington ......: (D) (D) (D) (D) (D) (D) (D) (D) (D) West Virginia ...: 1.00 1.00 100 3.00 4.00 133 4.00 5.00 125 Wisconsin .......: 45.00 45.00 100 290.00 255.00 88 335.00 300.00 90 Wyoming .........: 32.00 32.00 100 60.00 58.00 97 92.00 90.00 98 : Idaho and : Washington .....: 5.00 8.00 160 25.00 43.00 172 30.00 51.00 170 : United States ...: 6,110.40 6,179.00 101 65,435.00 67,050.90 102 71,545.40 73,229.90 102 -------------------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Market Inventory by Weight Group - States and United States: December 1, 2016 and 2017 [Weight groups may not add to market inventory due to rounding] --------------------------------------------------------------------------------------------------------- : Under : 50-119 : 120-179 : 180 pounds : 50 pounds : pounds : pounds : and over State :--------------------------------------------------------------------------------------- : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 --------------------------------------------------------------------------------------------------------- : 1,000 head : Alabama .........: 12.00 15.00 5.00 11.00 6.00 10.00 7.00 11.00 Alaska ..........: 0.40 0.30 0.50 0.50 0.20 0.20 0.10 0.20 Arizona .........: 40.00 50.00 20.00 31.00 19.00 31.00 19.00 31.00 Arkansas ........: 80.00 69.00 8.00 6.00 3.00 5.00 2.00 3.00 California ......: 22.00 24.00 18.00 22.00 22.00 23.00 21.00 22.00 Colorado ........: 220.00 255.00 120.00 130.00 95.00 120.00 85.00 95.00 Connecticut .....: 1.20 1.00 1.30 0.40 0.30 0.40 0.30 0.30 Delaware ........: 2.80 2.80 0.60 0.40 0.50 0.30 0.60 0.50 Florida .........: 5.00 4.00 5.00 4.00 2.00 2.00 2.00 2.00 Georgia .........: 28.00 32.00 4.00 9.00 3.00 8.00 5.00 9.00 : Hawaii ..........: 3.00 1.50 2.00 1.00 1.50 1.00 1.00 0.50 Idaho ...........: (D) (D) (D) (D) (D) (D) (D) (D) Illinois ........: 1,450.00 1,530.00 1,360.00 1,450.00 890.00 940.00 860.00 900.00 Indiana .........: 1,040.00 1,000.00 1,090.00 1,060.00 790.00 780.00 910.00 900.00 Iowa ............: 5,620.00 5,830.00 6,550.00 6,820.00 5,010.00 5,080.00 3,990.00 4,070.00 Kansas ..........: 455.00 480.00 520.00 520.00 320.00 420.00 450.00 515.00 Kentucky ........: 104.00 107.00 105.00 95.00 90.00 55.00 85.00 103.00 Louisiana .......: 2.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 Maine ...........: 1.20 1.10 1.00 1.00 0.70 0.70 0.70 0.70 Maryland ........: 4.00 6.00 6.50 6.00 5.00 5.00 2.00 4.00 : Massachusetts ...: 2.00 2.00 1.80 2.00 1.00 1.00 1.20 1.00 Michigan ........: 300.00 330.00 265.00 240.00 215.00 245.00 240.00 245.00 Minnesota .......: 2,720.00 2,720.00 2,350.00 2,330.00 1,560.00 1,620.00 1,300.00 1,260.00 Mississippi .....: 195.00 203.00 113.00 126.00 82.00 95.00 85.00 95.00 Missouri ........: 1,340.00 1,450.00 520.00 560.00 375.00 445.00 430.00 495.00 Montana .........: 59.00 60.00 34.00 35.00 29.00 29.00 29.00 30.00 Nebraska ........: 955.00 1,030.00 790.00 840.00 650.00 640.00 590.00 660.00 Nevada ..........: 0.40 0.10 0.20 0.10 0.10 0.10 0.30 0.10 New Hampshire ...: 0.40 0.70 0.70 0.60 0.80 0.70 0.70 0.70 New Jersey ......: 2.40 1.90 1.60 3.00 1.90 1.80 3.60 4.30 : New Mexico ......: 0.40 0.30 0.30 0.30 0.40 0.30 0.20 0.20 New York ........: 13.00 8.00 8.00 12.00 11.00 11.00 7.00 11.00 North Carolina ..: 3,160.00 3,190.00 1,950.00 1,790.00 1,680.00 1,590.00 1,630.00 1,530.00 North Dakota ....: 59.00 59.00 22.00 22.00 14.00 16.00 17.00 15.00 Ohio ............: 750.00 760.00 660.00 760.00 600.00 660.00 490.00 530.00 Oklahoma ........: 735.00 725.00 360.00 420.00 275.00 235.00 340.00 360.00 Oregon ..........: 3.00 2.50 2.50 1.50 3.00 1.00 1.50 2.50 Pennsylvania ....: 320.00 305.00 335.00 335.00 245.00 260.00 210.00 230.00 Rhode Island ....: 0.40 0.40 0.40 0.80 0.20 0.20 0.20 0.30 South Carolina ..: 40.00 31.00 46.00 47.00 46.00 47.00 56.00 50.00 : South Dakota ....: 445.00 460.00 325.00 365.00 245.00 270.00 245.00 250.00 Tennessee .......: 65.00 65.00 44.00 44.00 46.00 51.00 48.00 52.00 Texas ...........: 170.00 235.00 190.00 235.00 175.00 175.00 235.00 245.00 Utah ............: 250.00 185.00 120.00 85.00 130.00 100.00 125.00 90.00 Vermont .........: 0.80 0.80 0.80 0.70 0.70 0.60 0.70 0.60 Virginia ........: 54.00 52.00 65.00 62.00 69.00 59.00 62.00 57.00 Washington ......: (D) (D) (D) (D) (D) (D) (D) (D) West Virginia ...: 0.50 1.00 1.00 0.50 0.50 0.50 1.00 2.00 Wisconsin .......: 102.00 89.00 67.00 53.00 61.00 59.00 60.00 54.00 Wyoming .........: 47.00 49.00 5.00 3.00 4.00 3.00 4.00 3.00 : Idaho and : Washington .....: 7.50 21.50 6.00 7.50 6.00 6.50 5.50 7.50 : United States ...:20,887.40 21,446.90 18,102.20 18,549.30 13,785.80 14,105.30 12,659.60 12,949.40 --------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Breeding, Market, and Total Inventory - States and United States: March 1, 2016 and 2017 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- State : : :2017 as: : :2017 as: : :2017 as : 2016 : 2017 :percent: 2016 : 2017 :percent: 2016 : 2017 :percent : : :of 2016: : :of 2016: : :of 2016 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 150 155 103 550 545 99 700 700 100 Illinois ........: 500 540 108 4,650 4,710 101 5,150 5,250 102 Indiana .........: 260 280 108 3,490 3,770 108 3,750 4,050 108 Iowa ............: 980 1,000 102 19,220 20,600 107 20,200 21,600 107 Kansas ..........: 175 165 94 1,755 1,805 103 1,930 1,970 102 Michigan ........: 110 110 100 1,060 1,000 94 1,170 1,110 95 Minnesota .......: 560 560 100 7,440 7,840 105 8,000 8,400 105 Missouri ........: 385 445 116 2,615 2,655 102 3,000 3,100 103 Nebraska ........: 420 415 99 2,980 2,885 97 3,400 3,300 97 North Carolina ..: 880 880 100 7,920 8,320 105 8,800 9,200 105 : Ohio ............: 185 185 100 2,465 2,465 100 2,650 2,650 100 Oklahoma ........: 480 445 93 1,660 1,655 100 2,140 2,100 98 Pennsylvania ....: 110 100 91 1,030 1,040 101 1,140 1,140 100 South Dakota ....: 190 200 105 1,220 1,250 102 1,410 1,450 103 Texas ...........: 110 120 109 750 790 105 860 910 106 Utah ............: 75 80 107 595 620 104 670 700 104 : Other States 1/ .: 410 418 102 2,744 2,653 97 3,154 3,071 97 : United States ...: 5,980 6,098 102 62,144 64,603 104 68,124 70,701 104 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: March 1, 2016 and 2017 [Weight groups may not add to market inventory due to rounding] ------------------------------------------------------------------------------------------------- : Under : 50-119 : 120-179 : 180 pounds : 50 pounds : pounds : pounds : and over State :------------------------------------------------------------------------------- : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 ------------------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 260 250 100 110 90 95 100 90 Illinois ........: 1,500 1,530 1,370 1,460 920 920 860 800 Indiana .........: 1,040 1,030 980 1,050 730 810 740 880 Iowa ............: 4,720 5,300 6,100 6,440 4,850 5,270 3,550 3,590 Kansas ..........: 490 455 465 475 375 345 425 530 Michigan ........: 290 285 260 245 260 240 250 230 Minnesota .......: 2,600 2,590 2,280 2,380 1,530 1,650 1,030 1,220 Missouri ........: 1,250 1,350 535 515 420 400 410 390 Nebraska ........: 1,000 920 780 735 660 650 540 580 North Carolina ..: 3,180 3,140 1,730 1,860 1,710 1,800 1,300 1,520 : Ohio ............: 740 690 680 730 605 625 440 420 Oklahoma ........: 690 740 335 300 310 270 325 345 Pennsylvania ....: 270 265 315 305 270 280 175 190 South Dakota ....: 430 455 330 325 240 240 220 230 Texas ...........: 190 170 205 220 160 175 195 225 Utah ............: 265 265 110 115 120 130 100 110 : Other States 1/ .: 982 972 623 597 569 535 569 549 : United States ...: 19,897 20,407 17,198 17,862 13,819 14,435 11,229 11,899 ------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Breeding, Market, and Total Inventory - States and United States: June 1, 2016 and 2017 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- State : : :2017 as: : :2017 as: : :2017 as : 2016 : 2017 :percent: 2016 : 2017 :percent: 2016 : 2017 :percent : : :of 2016: : :of 2016: : :of 2016 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 145 155 107 565 565 100 710 720 101 Illinois ........: 530 530 100 4,670 4,720 101 5,200 5,250 101 Indiana .........: 260 260 100 3,590 3,690 103 3,850 3,950 103 Iowa ............: 970 1,030 106 19,830 20,870 105 20,800 21,900 105 Kansas ..........: 175 160 91 1,765 1,790 101 1,940 1,950 101 Michigan ........: 110 110 100 1,040 1,000 96 1,150 1,110 97 Minnesota .......: 560 570 102 7,540 7,930 105 8,100 8,500 105 Missouri ........: 395 440 111 2,605 2,810 108 3,000 3,250 108 Nebraska ........: 425 420 99 3,075 2,980 97 3,500 3,400 97 North Carolina ..: 890 880 99 8,210 8,020 98 9,100 8,900 98 : Ohio ............: 180 190 106 2,370 2,510 106 2,550 2,700 106 Oklahoma ........: 470 450 96 1,700 1,570 92 2,170 2,020 93 Pennsylvania ....: 100 105 105 1,050 1,085 103 1,150 1,190 103 South Dakota ....: 190 200 105 1,210 1,290 107 1,400 1,490 106 Texas ...........: 100 125 125 790 785 99 890 910 102 Utah ............: 75 75 100 605 605 100 680 680 100 : Other States 1/ .: 404 409 101 2,687 2,681 100 3,091 3,090 100 : United States ...: 5,979 6,109 102 63,302 64,901 103 69,281 71,010 102 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: June 1, 2016 and 2017 [Weight groups may not add to market inventory due to rounding] ------------------------------------------------------------------------------------------------- : Under : 50-119 : 120-179 : 180 pounds : 50 pounds : pounds : pounds : and over State :------------------------------------------------------------------------------- : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 ------------------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 265 255 120 120 95 100 85 90 Illinois ........: 1,420 1,430 1,460 1,530 910 930 880 830 Indiana .........: 1,020 920 1,120 1,140 700 770 750 860 Iowa ............: 5,280 5,450 6,400 6,870 4,760 4,950 3,390 3,600 Kansas ..........: 470 480 490 490 310 355 495 465 Michigan ........: 305 290 255 240 240 245 240 225 Minnesota .......: 2,550 2,610 2,340 2,390 1,470 1,640 1,180 1,290 Missouri ........: 1,315 1,360 540 580 350 435 400 435 Nebraska ........: 960 1,005 840 785 685 615 590 575 North Carolina ..: 3,180 3,290 1,970 1,870 1,560 1,400 1,500 1,460 : Ohio ............: 720 720 680 720 570 630 400 440 Oklahoma ........: 760 685 370 340 250 230 320 315 Pennsylvania ....: 255 285 330 345 280 280 185 175 South Dakota ....: 425 455 325 345 250 240 210 250 Texas ...........: 205 165 230 235 190 175 165 210 Utah ............: 255 245 115 120 125 130 110 110 : Other States 1/ .: 971 1,002 613 621 546 521 556 537 : United States ...: 20,356 20,647 18,198 18,741 13,291 13,646 11,456 11,867 ------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Breeding, Market, and Total Inventory - States and United States: September 1, 2016 and 2017 [May not add due to rounding] ----------------------------------------------------------------------------------------------------- : Breeding : Market : Total :----------------------------------------------------------------------------------- State : : :2017 as: : :2017 as: : :2017 as : 2016 : 2017 :percent: 2016 : 2017 :percent: 2016 : 2017 :percent : : :of 2016: : :of 2016: : :of 2016 ----------------------------------------------------------------------------------------------------- : 1,000 head percent -- 1,000 head -- percent -- 1,000 head -- percent : Colorado ........: 145 160 110 575 600 104 720 760 106 Illinois ........: 530 540 102 4,470 4,860 109 5,000 5,400 108 Indiana .........: 280 260 93 3,720 3,840 103 4,000 4,100 103 Iowa ............: 980 980 100 21,320 21,720 102 22,300 22,700 102 Kansas ..........: 180 165 92 1,830 1,835 100 2,010 2,000 100 Michigan ........: 105 120 114 1,035 1,060 102 1,140 1,180 104 Minnesota .......: 570 550 96 7,830 7,750 99 8,400 8,300 99 Missouri ........: 395 440 111 2,805 3,060 109 3,200 3,500 109 Nebraska ........: 420 410 98 3,180 3,040 96 3,600 3,450 96 North Carolina ..: 890 900 101 8,410 8,300 99 9,300 9,200 99 : Ohio ............: 190 180 95 2,410 2,670 111 2,600 2,850 110 Oklahoma ........: 455 455 100 1,785 1,775 99 2,240 2,230 100 Pennsylvania ....: 95 110 116 1,055 1,100 104 1,150 1,210 105 South Dakota ....: 195 215 110 1,215 1,325 109 1,410 1,540 109 Texas ...........: 100 135 135 830 885 107 930 1,020 110 Utah ............: 75 80 107 625 590 94 700 670 96 : Other States 1/ .: 411 417 101 2,675 2,772 104 3,086 3,189 103 : United States ...: 6,016 6,117 102 65,770 67,182 102 71,786 73,299 102 ----------------------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Market Inventory by Weight Group - States and United States: September 1, 2016 and 2017 [Weight groups may not add to market inventory due to rounding] ----------------------------------------------------------------------------------------- : Under : 50-119 : 120-179 : 180 pounds : 50 pounds : pounds : pounds : and over State :----------------------------------------------------------------------- : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 ----------------------------------------------------------------------------------------- : 1,000 head : Colorado ........: 270 275 125 125 85 105 95 95 Illinois ........: 1,440 1,505 1,380 1,620 870 930 780 805 Indiana .........: 1,050 1,050 1,130 1,180 720 780 820 830 Iowa ............: 5,690 5,710 6,930 7,220 5,080 5,080 3,620 3,710 Kansas ..........: 500 475 515 505 365 355 450 500 Michigan ........: 295 300 270 260 235 250 235 250 Minnesota .......: 2,650 2,675 2,480 2,435 1,500 1,510 1,200 1,130 Missouri ........: 1,375 1,485 600 640 400 460 430 475 Nebraska ........: 990 1,015 950 835 640 600 600 590 North Carolina ..: 3,260 3,350 2,080 1,900 1,600 1,550 1,470 1,500 : Ohio ............: 740 730 730 785 550 640 390 515 Oklahoma ........: 775 760 440 440 250 275 320 300 Pennsylvania ....: 270 305 345 325 250 280 190 190 South Dakota ....: 435 450 325 365 230 260 225 250 Texas ...........: 240 230 240 250 160 160 190 245 Utah ............: 250 230 130 120 130 130 115 110 : Other States 1/ .: 985 1,023 601 621 535 554 553 574 : United States ...: 21,215 21,568 19,271 19,626 13,600 13,919 11,683 12,069 ----------------------------------------------------------------------------------------- 1/ Individual State estimates not available for the 34 Other States. Annual Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-November 2016 and 2017 [December preceding year. May not add due to rounding] ------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop :----------------------------------------------------------------------------------- State : : : 2017 as : : : : : 2017 as : 2016 : 2017 : percent : 2016 : 2017 : 2016 : 2017 : percent : : : of 2016 : : : : : of 2016 ------------------------------------------------------------------------------------------------------- :---- 1,000 head ---- percent ---- number ---- ----- 1,000 head ---- percent : Alabama ...........: 19.00 16.50 87 9.47 9.45 180.00 156.00 87 Alaska ............: 0.24 0.30 125 8.75 8.33 2.10 2.50 119 Arizona ...........: 35.00 31.00 89 9.43 9.42 330.00 292.00 88 Arkansas ..........: 122.00 110.00 90 10.58 10.37 1,291.00 1,141.00 88 California ........: 7.00 11.00 157 7.00 6.45 49.00 71.00 145 Colorado ..........: 304.00 303.00 100 10.11 10.35 3,074.00 3,137.00 102 Connecticut .......: 0.50 0.40 80 7.60 8.75 3.80 3.50 92 Delaware ..........: 1.20 2.40 200 8.83 10.00 10.60 24.00 226 Florida ...........: 4.00 4.00 100 6.75 6.00 27.00 24.00 89 Georgia ...........: 48.00 44.00 92 10.46 9.98 502.00 439.00 87 : Hawaii ............: 2.00 0.40 20 6.50 5.00 13.00 2.00 15 Idaho .............: (D) (D) (D) (D) (D) (D) (D) (D) Illinois ..........: 1,025.00 1,045.00 102 10.48 10.55 10,739.00 11,024.00 103 Indiana ...........: 556.00 550.00 99 10.38 10.36 5,769.00 5,698.00 99 Iowa ..............: 2,060.00 2,100.00 102 10.88 11.02 22,405.00 23,137.00 103 Kansas ............: 346.00 327.00 95 10.45 10.36 3,615.00 3,387.00 94 Kentucky ..........: 93.00 94.00 101 9.76 9.82 908.00 923.00 102 Louisiana .........: 0.90 0.80 89 6.22 7.00 5.60 5.60 100 Maine .............: 0.90 0.70 78 7.11 7.71 6.40 5.40 84 Maryland ..........: 4.70 4.30 91 8.94 9.77 42.00 42.00 100 : Massachusetts .....: 2.50 1.70 68 7.04 8.06 17.60 13.70 78 Michigan ..........: 198.00 206.00 104 10.55 10.66 2,089.00 2,195.00 105 Minnesota .........: 1,180.00 1,190.00 101 11.11 11.40 13,115.00 13,568.00 103 Mississippi .......: 111.00 117.00 105 10.07 10.40 1,118.00 1,217.00 109 Missouri ..........: 825.00 910.00 110 10.05 10.21 8,289.00 9,295.00 112 Montana ...........: 47.00 47.50 101 10.96 10.99 515.00 522.00 101 Nebraska ..........: 725.00 745.00 103 11.41 11.59 8,275.00 8,635.00 104 Nevada ............: 0.40 0.40 100 5.50 5.25 2.20 2.10 95 New Hampshire .....: 0.40 0.40 100 8.00 8.00 3.20 3.20 100 New Jersey ........: 1.00 1.00 100 6.10 7.80 6.10 7.80 128 : New Mexico ........: 0.40 0.40 100 7.75 7.75 3.10 3.10 100 New York ..........: 9.50 5.70 60 9.79 9.30 93.00 53.00 57 North Carolina ....: 1,880.00 1,870.00 99 10.16 10.04 19,108.00 18,770.00 98 North Dakota ......: 70.50 73.50 104 10.78 11.13 760.00 818.00 108 Ohio ..............: 367.00 385.00 105 10.43 10.72 3,826.00 4,129.00 108 Oklahoma ..........: 795.00 800.00 101 10.45 10.55 8,307.00 8,440.00 102 Oregon ............: 2.30 0.90 39 8.30 8.33 19.10 7.50 39 Pennsylvania ......: 198.00 196.00 99 10.36 10.45 2,052.00 2,049.00 100 Rhode Island ......: 0.40 0.50 125 5.50 6.80 2.20 3.40 155 South Carolina ....: 21.00 21.00 100 8.90 7.38 187.00 155.00 83 : South Dakota ......: 387.00 413.00 107 10.79 11.35 4,176.00 4,688.00 112 Tennessee .........: 47.00 51.00 109 9.68 10.08 455.00 514.00 113 Texas .............: 186.00 211.00 113 8.77 8.60 1,631.00 1,815.00 111 Utah ..............: 157.00 149.00 95 9.15 8.92 1,437.00 1,329.00 92 Vermont ...........: 0.80 0.70 88 7.13 7.00 5.70 4.90 86 Virginia ..........: 7.50 7.30 97 10.27 9.59 77.00 70.00 91 Washington ........: (D) (D) (D) (D) (D) (D) (D) (D) West Virginia .....: 0.70 0.70 100 7.57 8.14 5.30 5.70 108 Wisconsin .........: 69.00 81.00 117 9.58 9.53 661.00 772.00 117 Wyoming ...........: 73.00 72.00 99 9.36 9.94 683.00 716.00 105 : Idaho and : Washington .......: 6.20 8.90 144 7.73 8.12 47.90 72.30 151 : United States .....:11,998.04 12,211.40 102 10.50 10.60 125,938.90 129,387.70 103 ------------------------------------------------------------------------------------------------------- (D) Withheld to avoid disclosing data for individual operations. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: December-February 2016-2018 [December preceding year. May not add due to rounding] -------------------------------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------------------- : : : : 2018 as : : : : : 2017 as State : 2016 : 2017 : 2018 2/ : percent : 2016 : 2017 : 2016 : 2017 : percent : : : : of 2017 : : : : : of 2016 -------------------------------------------------------------------------------------------------------------------------------- : --------- 1,000 head -------- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 75 76 72 95 9.75 9.90 731 752 103 Illinois ...........: 250 265 265 100 10.35 10.20 2,588 2,703 104 Indiana ............: 140 145 140 97 10.20 10.25 1,428 1,486 104 Iowa ...............: 500 510 530 104 10.70 10.75 5,350 5,483 102 Kansas .............: 90 79 82 104 10.20 10.00 918 790 86 Michigan ...........: 51 50 57 114 10.60 10.40 541 520 96 Minnesota ..........: 275 275 295 107 11.10 11.35 3,053 3,121 102 Missouri ...........: 195 220 240 109 9.65 10.05 1,882 2,211 117 Nebraska ...........: 175 175 190 109 11.30 11.55 1,978 2,021 102 North Carolina .....: 460 460 465 101 9.90 9.90 4,554 4,554 100 : Ohio ...............: 91 91 93 102 10.10 10.80 919 983 107 Oklahoma ...........: 200 200 197 99 10.30 10.30 2,060 2,060 100 Pennsylvania .......: 49 46 50 109 10.20 10.30 500 474 95 South Dakota .......: 96 102 106 104 10.75 11.30 1,032 1,153 112 Texas ..............: 47 50 59 118 8.00 9.90 376 495 132 Utah ...............: 39 39 36 92 8.70 8.70 339 339 100 : Other States 3/ ....: 194 203 193 95 9.73 9.86 1,890 2,001 106 : United States ......: 2,927 2,986 3,070 103 10.30 10.43 30,139 31,146 103 -------------------------------------------------------------------------------------------------------------------------------- 1/ Number of pigs born December-February that were still on hand March 1, or had been sold. 2/ Intentions. 3/ Individual State estimates not available for the 34 Other States. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: March-May 2016-2018 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------------------- State : : : : 2018 as : : : : : 2017 as : 2016 : 2017 : 2018 2/ : percent : 2016 : 2017 : 2016 : 2017 : percent : : : : of 2017 : : : : : of 2016 -------------------------------------------------------------------------------------------------------------------------------- : --------- 1,000 head -------- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 77 77 73 95 10.20 10.40 785 801 102 Illinois ...........: 255 255 260 102 10.40 10.55 2,652 2,690 101 Indiana ............: 131 135 135 100 10.40 10.50 1,362 1,418 104 Iowa ...............: 500 510 535 105 10.90 10.95 5,450 5,585 102 Kansas .............: 85 80 85 106 10.50 10.00 893 800 90 Michigan ...........: 48 50 58 116 10.50 10.50 504 525 104 Minnesota ..........: 285 300 300 100 11.05 11.40 3,149 3,420 109 Missouri ...........: 205 220 240 109 9.95 10.25 2,040 2,255 111 Nebraska ...........: 185 185 190 103 11.40 11.45 2,109 2,118 100 North Carolina .....: 475 470 460 98 10.25 10.00 4,869 4,700 97 : Ohio ...............: 88 97 94 97 10.50 10.60 924 1,028 111 Oklahoma ...........: 200 195 200 103 10.30 10.60 2,060 2,067 100 Pennsylvania .......: 51 50 51 102 10.30 10.50 525 525 100 South Dakota .......: 94 101 107 106 10.75 11.35 1,011 1,146 113 Texas ..............: 46 50 61 122 7.85 7.30 361 365 101 Utah ...............: 41 39 33 85 9.40 9.00 385 351 91 : Other States 3/ ....: 202 200 201 101 9.97 10.00 2,018 1,996 99 : United States ......: 2,968 3,014 3,083 102 10.48 10.55 31,097 31,790 102 -------------------------------------------------------------------------------------------------------------------------------- 1/ Number of pigs born March-May that were still on hand June 1, or had been sold. 2/ Intentions. 3/ Individual State estimates not available for the 34 Other States. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: June-August 2016 and 2017 [May not add due to rounding] ------------------------------------------------------------------------------------------------- : Sows farrowing : Pigs per litter : Pig crop 1/ :------------------------------------------------------------------------------- : : : 2017 as : : : : : 2017 as State : 2016 : 2017 : percent : 2016 : 2017 : 2016 : 2017 : percent : : : of 2016 : : : : : of 2016 ------------------------------------------------------------------------------------------------- : 1,000 head percent ---- number --- -- 1,000 head -- percent : Colorado ........: 78 78 100 10.10 10.90 788 850 108 Illinois ........: 260 265 102 10.55 10.75 2,743 2,849 104 Indiana .........: 145 135 93 10.60 10.35 1,537 1,397 91 Iowa ............: 510 530 104 11.00 11.20 5,610 5,936 106 Kansas ..........: 89 85 96 10.50 10.60 935 901 96 Michigan ........: 50 53 106 10.50 10.80 525 572 109 Minnesota .......: 310 300 97 11.10 11.40 3,441 3,420 99 Missouri ........: 215 235 109 10.10 10.15 2,172 2,385 110 Nebraska ........: 185 190 103 11.35 11.65 2,100 2,214 105 North Carolina ..: 485 480 99 10.20 10.05 4,947 4,824 98 : Ohio ............: 92 97 105 10.60 10.70 975 1,038 106 Oklahoma ........: 200 205 103 10.65 10.60 2,130 2,173 102 Pennsylvania ....: 48 50 104 10.45 10.60 502 530 106 South Dakota ....: 97 105 108 10.75 11.30 1,043 1,187 114 Texas ...........: 45 52 116 9.30 7.80 419 406 97 Utah ............: 39 36 92 9.50 9.00 371 324 87 : Other States 2/ .: 209 207 99 10.03 9.88 2,093 2,048 98 : United States ...: 3,057 3,103 102 10.58 10.65 32,331 33,054 102 ------------------------------------------------------------------------------------------------- 1/ Number of pigs born June-August that were still on hand September 1, or had been sold. 2/ Individual State estimates not available for the 34 Other States. Sows Farrowing, Pigs per Litter, and Pig Crop - States and United States: September-November 2016 and 2017 [May not add due to rounding] -------------------------------------------------------------------------------------------------------------------- : Sows Farrowing : Pigs per litter : Pig crop 1/ :----------------------------------------------------------------------------------------------- : : : 2017 as : : : : : 2017 as State : 2016 : 2017 : percent : 2016 : 2017 : 2016 : 2017 : percent : : : of 2016 : : : : : of 2016 -------------------------------------------------------------------------------------------------------------------- : --- 1,000 head -- percent ----- number ---- --- 1,000 head --- percent : Colorado ...........: 74 72 97 10.40 10.20 770 734 95 Illinois ...........: 260 260 100 10.60 10.70 2,756 2,782 101 Indiana ............: 140 135 96 10.30 10.35 1,442 1,397 97 Iowa ...............: 550 550 100 10.90 11.15 5,995 6,133 102 Kansas .............: 82 83 101 10.60 10.80 869 896 103 Michigan ...........: 49 53 108 10.60 10.90 519 578 111 Minnesota ..........: 310 315 102 11.20 11.45 3,472 3,607 104 Missouri ...........: 210 235 112 10.45 10.40 2,195 2,444 111 Nebraska ...........: 180 195 108 11.60 11.70 2,088 2,282 109 North Carolina .....: 460 460 100 10.30 10.20 4,738 4,692 99 : Ohio ...............: 96 100 104 10.50 10.80 1,008 1,080 107 Oklahoma ...........: 195 200 103 10.55 10.70 2,057 2,140 104 Pennsylvania .......: 50 50 100 10.50 10.40 525 520 99 South Dakota .......: 100 105 105 10.90 11.45 1,090 1,202 110 Texas ..............: 48 59 123 9.90 9.30 475 549 116 Utah ...............: 38 35 92 9.00 9.00 342 315 92 : Other States 2/ ....: 204 202 99 9.96 10.15 2,031 2,048 101 : United States ......: 3,046 3,109 102 10.63 10.74 32,372 33,399 103 -------------------------------------------------------------------------------------------------------------------- 1/ Number of pigs born September-November that were still on hand December 1, or had been sold. 2/ Individual State estimates not available for the 34 Other States. Monthly Sows Farrowing, Pigs per Litter, and Pig Crop - United States: December-November 2016 and 2017 [December preceding year] ---------------------------------------------------------------------------------------- : Sows farrowing 1/ : Pigs per litter : Pig crop 1/ Month :----------------------------------------------------------------------- : 2016 : 2017 : 2016 : 2017 : 2016 : 2017 ---------------------------------------------------------------------------------------- : --- 1,000 head --- ----- number ---- ---- 1,000 head --- : December .......: 977 1,006 10.35 10.44 10,109 10,500 January ........: 993 992 10.29 10.39 10,214 10,309 February .......: 957 988 10.25 10.46 9,816 10,337 March ..........: 1,022 1,036 10.45 10.54 10,673 10,916 April ..........: 964 975 10.50 10.56 10,117 10,298 May ............: 983 1,003 10.49 10.55 10,308 10,576 June ...........: 1,033 1,059 10.52 10.56 10,865 11,181 July ...........: 1,014 1,019 10.56 10.65 10,712 10,852 August .........: 1,009 1,026 10.65 10.75 10,753 11,022 September ......: 1,041 1,067 10.65 10.66 11,084 11,366 October ........: 1,010 1,028 10.63 10.78 10,741 11,073 November .......: 995 1,015 10.60 10.80 10,547 10,959 : Total ..........: 11,998 12,211 10.50 10.60 125,939 129,388 ---------------------------------------------------------------------------------------- 1/ Monthly values may not add to quarterly or annual totals due to rounding. Statistical Methodology Survey Procedures: A random sample of roughly 9,200 United States producers was surveyed to provide data for these estimates. Survey procedures ensured that all hog and pig producers, regardless of size, had a chance to be included in the survey. Large operations were sampled more heavily than small operations. During the first half of December 2017, data were collected from about 6,700 operations, 73 percent of the total sample. The data collected were received by electronic data reporting, mail, telephone, and face-to-face personal interviews. Regardless of when operations responded, they were asked to report inventories as of December 1, 2017. Estimating Procedures: Hogs and pigs estimates were prepared by the Agricultural Statistics Board after reviewing recommendations and analysis submitted by each field office. National and State survey data were reviewed for reasonableness with each other and with estimates from past years using a balance sheet. The balance sheet begins with the previous inventory estimate, adds the estimates of births and imports, and subtracts the estimates of slaughter, exports, and deaths. This indicated ending inventory level is compared to the Agricultural Statistics Board estimate for reasonableness. Revision Policy: Revisions to previous estimates are made to improve quarter to quarter relationships. Estimates for the previous four quarters are subject to revision when current estimates are made. In December, estimates for all quarters of the current and previous year are reviewed. The reviews are primarily based on hog check-off receipts and slaughter. Estimates will also be reviewed after data from the Department of Agriculture five-year Census of Agriculture are available. No revisions will be made after that date. Reliability: Since all operations raising hogs are not included in the sample, survey estimates are subject to sampling variability. Survey results are also subject to non-sampling errors such as omissions, duplication, and mistakes in reporting, recording, and processing the data. The effects of these errors cannot be measured directly. They are minimized through rigid quality controls in the data collection process and through a careful review of all reported data for consistency and reasonableness. To assist users in evaluating the reliability of the estimates in this report, the "Root Mean Square Error" is shown for selected items in the following table. The "Root Mean Square Error" is a statistical measure based on past performance and is computed using the difference between first and final estimates. The "Root Mean Square Error" for hog inventory estimates over the past 20 quarters is 1.4 percent. This means that chances are 2 out of 3 that the final estimate will not be above or below the current estimate of 73.2 million head by more than 1.4 percent. Chances are 9 out of 10 that the difference will not exceed 2.4 percent. Reliability of December 1 Hog Estimates [Based on data for the previous twenty quarters] -------------------------------------------------------------------------------------------------------------------------- : Root mean : 90 percent : Difference between first and latest estimate : square error : confidence : : : : : : : level :------------------------------------------------------------- Item : : : : : : Years : : : : : :------------------------------- : : : Average :Smallest : Largest : Below latest : Above latest -------------------------------------------------------------------------------------------------------------------------- : percent percent --------- 1,000 -------- ----- number ----- : All hogs and pigs ............: 1.4 2.4 801 45.4 1,726 10 10 : Pig crop .....................: 2.4 4.1 577 6 1,260 12 8 : Expected farrowings : : Next quarter ...............: 3.0 5.1 74 10 167 11 9 : Following quarter ..........: 3.1 5.4 78 11 197 10 10 -------------------------------------------------------------------------------------------------------------------------- Records by Quarter - United States: 1866 to Present [This table provides data users with record high estimates of all hogs and pigs, market hogs, pig crop, and pigs per litter since each data series began] ------------------------------------------------------------------------------------------ Item : Estimate : Record high : Series began ------------------------------------------------------------------------------------------ : 1,000 head year year : All hogs and pigs : March 1 ....................: 70,701 2017 1988 June 1 .....................: 71,010 2017 1964 September 1 ................: 73,299 2017 1988 December 1 .................: 83,741 1943 1866 : Market : March 1 ....................: 64,603 2017 1988 June 1 .....................: 64,901 2017 1964 September 1 ................: 67,182 2017 1988 December 1 .................: 67,051 2017 1963 : Pig crop : December-February1/ ........: 31,146 2017 1970 March-May ..................: 32,355 1970 1970 June-August ................: 33,054 2017 1970 September-November .........: 33,399 2017 1970 : : number year year : Pigs per litter : December-February1/ ........: 10.43 2017 1970 March-May ..................: 10.55 2017 1970 June-August ................: 10.65 2017 1970 September-November .........: 10.74 2017 1970 ------------------------------------------------------------------------------------------ 1/ December preceding year. Information Contacts Listed below are the commodity specialists in the Livestock Branch of the National Agricultural Statistics Service to contact for additional information. E-mail inquiries may be sent to nass@nass.usda.gov. Travis Averill, Chief, Livestock Branch ......... (202) 720-3570 Scott Hollis, Head, Livestock Section ........... (202) 690-2424 Sherry Bertramsen - Livestock Slaughter ...... (202) 720-3240 Donnie Fike - Dairy Products ................. (202) 690-3236 Heidi Gleich - Cattle, Cattle on Feed ........ (202) 720-3040 Mike Miller - Milk Production and Milk Cows .. (202) 720-3278 Seth Riggins - Hogs and Pigs ................. (202) 720-3106 Vacant - Sheep and Goats ..................... (202) 720-8784 Access to NASS Reports For your convenience, you may access NASS reports and products the following ways: All reports are available electronically, at no cost, on the NASS web site: www.nass.usda.gov Both national and state specific reports are available via a free e- mail subscription. To set-up this free subscription, visit www.nass.usda.gov and click on "National" or "State" in upper right corner above "search" box to create an account and select the reports you would like to receive. For more information on NASS surveys and reports, call the NASS Agricultural Statistics Hotline at (800) 727-9540, 7:30 a.m. to 4:00 p.m. ET, or e-mail: nass@nass.usda.gov. 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