Nutritional value of a genetically improved high-lysine, high-oil corn for young pigs.
作者： P R O'Quinn , J L Nelssen , R D Goodband , D A Knabe , J C Woodworth
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摘要: Two experiments were conducted to compare the nutritional adequacy of a genetically improved high-lysine, high-oil corn (HLHOC; .408% lysine, 6.21% fat, as-fed basis) and (HOC; .289% 5.97% for young growing pigs. Experiment 1 used four non-littermate barrows (initially 20.0 kg BW) fitted with ileal T-cannulas in crossover-designed digestion study. The .75% total lysine diets contained 8.5% casein an equal amount (.25%) from test corn. Apparent digestibilities amino acids, GE, DM, CP similar (P > .10) between diets. 65 71% HOC HLHOC, respectively, assuming be 100% digestible. 2 100 reared segregated early-weaning environment 8.3 BW 27 d age) evaluate five corn-soybean meal-based x factorial arrangement main effects being type dietary (.80 or 1.15% digestible lysine). fifth diet consisted .80% supplemented .23% additional L-lysine HCl (.975% lysine) verify that was limiting acid low-lysine Increasing .80 increased .10). results these studies indicate HLHOC is as available can successfully swine
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