. Department bulletin. Agriculture; Agriculture. 22 BULLETIN 1143, U. S. DEPARTMENT OF AGRICULTURE., On the row plat the average daily gain per pig for each of the four years averaged of a pound. A supplementary ration of corn was fed. The 4-year average ratio is pounds of corn per pound of gain. The lots on the broadcast plat made an average daily gain of of a pound. This required an average of pounds of corn for each pound of gain. Table 6.—Results obtained by pasturing 1 acre of brome-grass with pigs at Huntley, Mont., each year from 1918 to 1921, inclusive. Num- ber of
. Department bulletin. Agriculture; Agriculture. 22 BULLETIN 1143, U. S. DEPARTMENT OF AGRICULTURE., On the row plat the average daily gain per pig for each of the four years averaged of a pound. A supplementary ration of corn was fed. The 4-year average ratio is pounds of corn per pound of gain. The lots on the broadcast plat made an average daily gain of of a pound. This required an average of pounds of corn for each pound of gain. Table 6.—Results obtained by pasturing 1 acre of brome-grass with pigs at Huntley, Mont., each year from 1918 to 1921, inclusive. Num- ber of pigs. Pasture period Weights of animals and feed (pounds). Kind of plats Hog weights. Corn con- sumed. Yield of check and year. Date on. j Date off. Days. Initial. Final. Gain. Daily gain per Pig- Total. Per pound of gain. plat. Cultivat e d rows: 1918 8 6 2 6 Apr. 30 July 9 Apr. 25 ! June 14 May 28 , July 9 May 19 July 28 70 50 42 70 764 582 170 732 1,114 726 220 1,042 350 144 50 310 1,344 .48 I 653 .60 166 .74 1,242 1919 1920 1921 Average May 11 j July 8 58 562 776 214 .61 851 Plats sown broadcast: 191S 1919 1920 1921 8 i 8 Apr. 30 i July 9 Apr. 25 June 14 May 28 ! July 9 May 19 i July 19 70 50 42 61 778 579 109 1,012 1,152 770 245 1,448 374 191 76 436 . 67 1,344 .64 653 .90 169 .90 1,412 664 0 568 0 Average 6 May 11 July 5 55 635 904 269 .78 895 308 The brome-grass pasture results are shown in Table 6 and Figure 3. When reduced to an acre basis, the row plat has carried an average of pigs for a period of 58 days from May 11 to July 8. These pigs have made an average daily gain of of a pound. The ratio is 1 pound of gain for each pounds of corn. z?/3/?. MAY .JUNE iSULY MAY .JUNE JULY. /9/3 /9/9 /920 /92/ Fig. 3.—Diagram showing graphically the period in each year during which pigs were on brome-grass in rows and brome-grass sown broadcast and the gains made on each pasture and between weighings. Six
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