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5. Effect of dietary phosphorus content on performance and relative blood mineral contents of mid-lacta

Effect of dietary phosphorus content on performance and relative blood mineral contents of mid-lacta

来源 :第11届世界畜产大会(WCAP2013) | 被引量 : 0次 | 上传用户：tingxin1

【摘 要】

：

Diets containing 0.5-0.7％ phosphorus (P) (dry matter basis) are common in Chinese dairy farms.Overfeeding of P is costly and increases the risk of environmental damage.The objective of this study was

【作 者】

：

Wenming Huang Jianmin Xia Zhijun Cao Shengli Li 

【机 构】

：

College of Animal Science and Technology,China Agricultural University,Beijing,China;State Key Labor

【出 处】

：

第11届世界畜产大会(WCAP2013)

【发表日期】

：

2013年2期

【关键词】

：

Phosphorus Chinese Holstein cow Milk production Blood mineral Requirement 

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Diets containing 0.5-0.7％ phosphorus (P) (dry matter basis) are common in Chinese dairy farms.Overfeeding of P is costly and increases the risk of environmental damage.The objective of this study was to determine the P requirements of mid-lactating Chinese Holstein cows.

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