Effect of dietary phosphorus content on milk production and phosphorus excretion in dairy cows

• 作 者: Chong Wang Zhen Liu Diming Wan
• 机 构: InstituteofDairyScience,CollegeofAnimalScienceandTechnology,SchoolofVeterinaryMedicine
• 出 处: 畜牧与生物技术杂志：英文版
• 发表日期: 2014年4期
• 关键词: 荷斯坦奶牛 磷排泄 产奶量 磷含量 日粮 牛奶产量 血清浓度 脂肪含量 Dairy cows Milk production Phosphorus excret
• 基金项目: supported by the earmarked fund for China Agriculture Research System（CARS-37）, the National Key Technologies R＆D Program of China（2012BAD12B02）, the Special Fund for Agro-scientific Research in the P

Background:Phosphorus(P) supplementation is costly and can result in excess P excretion.This study investigated the effects of reducing dietary P on milk production and P excretion in dairy cows over a full lactation.Method:Forty-five multiparous Holstein