饲粮钙磷水平对优质黄羽肉鸡生长性能及胫骨灰分含量的影响

Effect of calcium and phosphorus levels in feed on the growth performance and ash content of tibia of yellow chicken

本试验旨在研究饲粮钙磷水平对优质黄羽肉鸡生长性能及胫骨灰分含量影响,得到优质黄羽肉鸡适宜的饲粮钙磷水平。综合肉鸡的生长性能及胫骨灰分含量的数据来看,优质黄羽肉鸡饲粮0~30日龄钙水平0.75%,非植酸磷水平0.33%,31~60日龄钙水平0.65%,非植酸磷水平0.26%,61~85日龄钙水平0.55%,非植酸磷水平0.23%,86~105日龄钙水平0.45%,非植酸磷水平0.18%,已完全满足其生长和骨骼发育的需要,高于此钙磷水平对肉鸡骨骼发育无显著改善,同时对肉鸡生长性能有一定的负面影响。

The effects of different dietary calcium and phosphorus levels on the growth performance and tibia ash content of yellow broilers were studied,and the appropriate dietary calcium and non-phytate phosphorus levels in dietary for yellow broilers were obtained.The data of growth performance and tibia ash content of broilers showed that the dietary calcium and nonphytate phosphorus levels for chicken were 0.75% and 0.33%from 1 dto 30 dof age,and that were 0.65% and 0.26%from31 dto 60 dof age,and that were 0.55% and 0.33%from 61 dto 85 dof age,and that were 0.45% and 0.18%from 86 dto105 dof age,respectively.These levels could meet the demands of growth and bone development for yellow chicken.The bone development of yellow broilers was no significantly improved,if the dietary calcium and phosphorus content were more than the level,At the same time,it had some negative effects on the growth performance of broilers.