BACKGROUND:Intra-abdominal free fluid is commonly caused by injuries of solid or hollow organs in patients suffering fro......

[目的]研究旨在为云岭牛内脏副产物开发利用提供科学依据。[方法]随机选择年龄相近、性别相同(阉割公牛)的云岭牛和婆罗门牛各3头......