The cows with field cases was divided into three groups, including hemoglobinuria group (HN), low-phosphorus group (LP) and control group (CK).

• 摘要利用自然病例，采取分组（血尿组、低磷组、对照组）对比的方法，对低磷奶牛红细胞膜磷脂组分进行了测定。