Isbn: 9787111739111 (1 résultats)

paperback. Etat : New. Language:Chinese.Paperback. Pub Date: 2023-12 Pages: 150 Publisher: Machinery Industry Press This book is divided into 3 chapters. including the nutritional needs of laying hens and commonly used feed ingredients. the feeding standards and feed preparation methods of laying hens. and the Feed formulation examples. The content of this book is comprehensive and novel. with highlighted key points. easy to understand. closely related to the actual production. with pictures and texts. It pays atte.…