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饲料中磷的生物学效价评定方法

Phosphorus is an microessential element for animal. Accurate assessment of phosphorus biological value is a way to make sure the proper supplement of phosphorus in animal diets,which can reduce the feed cost and prevent the excessive phosphorus loss in manure.The methods of measuring the biological value of feed phosphorus including balance experiment,slope rate method,tri- index method,in vitro solubility and in vitro dialyse methods were reviewed.
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