日粮不同无机磷源在肉雏鸡体内生物学效价的比较研究  

Study on biological value of different dietary inorganic phosphorus sources for broiler chickens.

作　　者：尹兆正[1] 洪建伟[2] 李肖梁[1] 祝春雷[2] 

机构地区：[1]浙江大学动物科技系,浙江杭州310029 [2]浙江省农业厅畜牧管理局,浙江杭州310020

出　　处：《浙江大学学报（农业与生命科学版）》2002年第5期565-568,共4页Journal of Zhejiang University:Agriculture and Life Sciences

基　　金：国家自然科学基金资助项目 (496 710 5 0 )

摘　　要：采用饲养试验、代谢试验、骨灰分含量测定及血清磷浓度测定等方法 ,研究比较了日粮 4种不同无机磷源 MCP、DCP、TCP、SP(每种分别施以 0 .0 6 % ,0 .12 % ,0 .18% ,0 .2 4 %的磷添加水平 )在肉雏鸡体内的生物学效价 .结果表明 ,MCP、DCP、TCP、SP在肉雏鸡体内的生物学效价以体增重为指标时分别为 10 0、97、98和 89;以磷存留率为指标时分别为 10 0、94、95和 79;以骨灰分含量 (胫骨灰分和趾骨灰分含量的平均值 )为指标时分别为 10 0、91、93和 79;以血清磷浓度为指标时分别为 10 0、92、93和 77.研究还表明 ,以上述 4项指标平均值作为综合依据的 4种不同无机磷源生物学效价分别为 10 0、94、95和 81,说明以 MCP作为肉雏鸡日粮无机磷源的利用效果最佳 ,DCP、TCP也是肉雏鸡日粮较好的磷源 ,而A grouped feeding trial, metabolism trial, and mensuration of bone and serum were made to determine biological value of different dietary inorganic phosphorus sources for broiler chickens The results indicated that biological value of MCP?DCP?TCP?SP (each treated with four different levels of phosphorus addition, 0 06%,0 12%,0 18%,0 24% respectively)were as follows, respectively: 100,97,98,89 when body weight gain was employed as response criterion;100,94,95,79 when ratio of phosphorus retention employed; 100,91,93,79 when bone ash content (the average of tibia ash and toe ash) employed; 100,92,93,77 when serum phosphorus level employed and 100,94,95,81 when average all above four criteria was used It was suggested that MCP was the best dietary inorganic phosphorus source for broiler chickens, DCP and TCP were also ideal inorganic phosphorus sources with high efficiency, SP was a bad source of phosphorus for broiler chickens

关 键 词：日粮 生物学效 比较研究 无机磷源 肉雏鸡 体增重 磷残留率 骨灰分含量 

分 类 号：S831.5[农业科学—畜牧学]