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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />~~~~1r <br />~M.._U_U <br /> <br />Feed Use <br /> <br />The conversion factors from which feed demand is derived from live- <br />stock supply at the base year prices are presented in Table 11-4. The <br />quantity of each animal product produced is multiplied by the conversion <br />factor of the crop quantity required to produce that animal product. After <br />the sum of each crop requirement from these nine livestock demands is cal- <br />culated, it is adjusted by an additive factor as a proportion of the nine <br />specified livestock categories. This number, which is listed in the tenth <br />column in Table 11-4, is the demand for crops by other livestock <br />categories. For example the other livestock demands increase .com demand <br />by 10.6 percent beyond what is required for the nine listed livestock cate- <br />gories. <br /> <br />Although the demands are listed for all crop categories, the primary <br />estimation of demand for small grains by livestock was done as a single <br />group. The final demand for small grains--oats, barley, wheat and rye-- <br />from the constant price feed component is based on the proportional weight- <br />ing of demand for each of the four small grains. The weights currently in <br />the model are: 40.4 percent of the demand is for oats, 26.6 percent is for <br />barley, 31.5 percent for wheat, and 1.5 percent for rye. The soybean <br />demand in Table 11-4 is based on a soymeal content in high protein feed of <br />68 percent. A conversion factor of 1.27 is used to change this soymeal to <br />soybean equivalents. <br /> <br />11-22 <br />