本书分为4部分共11章及12个实训内容，各章自成一体是本书的一个特点，同时，本书内容丰富、图文并茂，非常适合读者自学。在内容选择方面，注重现实性和先进性相结合，既考虑了职业岗位的现实要求，又考虑了职业岗位的发展需要。因此，本书除可作为高职高专畜牧兽医类专业的师生使用外，亦可用于农业中专、农业职业中学、农广校等相关专业的师生使用，还可作为牛羊养殖场技术人员及养殖专业户的参考用书。This book is divided into four parts, 11 chapters and 12 training contents. Each chapter has a style of its own, which is the feature of this book, meanwhile, this book has rich contents, with text and graphics, very suitable for readers who study by themselves. In terms of content selection, attention should be paid to the combination of reality and advancement, consideration is made on not only the realistic requirements of professional posts, but also considers the development needs of professional posts. Therefore, this book not only can be used by teachers and students who study animal husbandry and veterinary medicine major in vocational colleges, and can also be used by teachers and students who study related majors in agricultural technical secondary schools, agricultural vocational secondary schools, agricultural broadcasting and television schools, and so on; this book can be used as reference book for technicians in cattle and sheep farms and households specialized in breeding.