PSA-Nutrition: Alternate Ingredients and Gastrointestinal System
نویسندگان
چکیده
effects (P<0.01). Chromosome 3 potentially contained two QTL for tibial BMD at 35 wk of age located at 84 and 143cM (P<0.01) and one QTL for 35 wk BW at 147cM (P<0.05). All three QTL on chromosome 3 expressed significant additive effects (P<0.01). The QTL located on chromosomes 1 and 3 explained 2.7 and 4.0% of the residual phenotypic variation for BMD of the humerus and tibia at 35 wk of age, respectively. No QTL were identified on chromosomes 1 and 3 for other traits in the analysis. Identification of additional QTL associated with BMD may facilitate selection of birds for improved bone strength through marker assisted selection. Research supported by Midwest Poultry Consortium and NRI Competitive Grants Program / USDA No. 2002-03394.
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