反刍动物内源磷排泄量及磷真消化率的研究进展  

Endogenous Phosphorus Outputs and the True Phosphorus Digestibility in Ruminants

作　　者：颜琼娴[1,2] 谭支良[1] 

机构地区：[1]中国科学院亚热带农业生态研究所,湖南长沙410125 [2]中国科学院研究生院,北京100049

出　　处：《华北农学报》2009年第B08期231-235,共5页Acta Agriculturae Boreali-Sinica

基　　金：国家"十一五"科技支撑课题(2008BADA7B00);中科院创新方向项目(KSCX2-YW-N-49;KSCX2-YW-N-022)

摘　　要：综述了磷在反刍动物体内代谢及平衡调节过程,同时对内源磷排泄量和磷真消化率的主要评定方法和影响因素进行了探讨。This article has reviewed the phosphorus metabolism and phosphorus homeostasis in ruminants. There are three main methods measuring the endogenous outputs and the true digestibility of phosphorus, ineluding32p radioisotope, linear regression analysis technique and difference assay. Finally the influence of dry matter intake, phosphorus intake, the secretion of salivary phosphorus and the absorption efficiency on the endogenous outputs and true digestibility of phospho- rus has also discussed.

关 键 词：磷代谢 内源磷 内源排泄量 真消化率 反刍动物 

分 类 号：S143.2[农业科学—肥料学]