The last stage of the birth process involves the delivery of the placenta, which is now called the afterbirth.
分娩的最后一个阶段是胎盘的出来。
The structure of placenta and unsuitable raising management often lead to retention of the afterbirth which it brings to the greatest loss of the reproduction of cow industry.
牛属于子叶型胎盘，这种胎盘的结构特点和饲养管理的不当，常常导致奶牛胎衣不下发生，给乳牛业的生产繁殖带来极大损失。
The structure of placenta and unsuitable raising management often lead to retention of the afterbirth which it brings to the greatest loss of the reproduction of cow industry.
牛属于子叶型胎盘，这种胎盘的结构特点和饲养管理的不当，常常导致奶牛胎衣不下发生，给乳牛业的生产繁殖带来极大损失。
应用推荐