Environment & Management III / Metabolism & Nutrition V
نویسندگان
چکیده
at a commercial feed mill and were of similar nutritional composition. Feed form variations were made my grinding a portion of the pellets produced for each diet phase. The HQP diets averaged 78.6% intact pellets and the GP diets averaged a 1,108 micron particle size. On D42, YP1 improved ending weight (EW; P=0.022) and feed conversion ratio (FCR; P=0.022). However, no YP Carryover effect was demonstrat ed for any of the D42-118 performance variables (P>0.05). Feeding HQP produced toms that were 0.29 kg/bird heavier (P=0.001) with 9 points lower FCR (P=0.015), as compared to toms fed GP. Regression analyses predicted that if toms fed GP finished at the same D118 EW as those fed HQP, then FCR advantages of HQP would be 12 points (R2=0.9587). These data show that an investment in producing HQP may be economical due to returns on turkey performance.
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