ISBN: 9787122324672 - 专业户健康高效养殖技术丛书--现代养鸭关键技术精解(第二版) (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2019-01-01 Pages: 262 Publisher: Chemical Industry Press This book introduces the main varieties and biological characteristics of breeding ducks. and combines the production conditions and characteristics of China's duck industry to explain ducks in detail. Nutrition and feed. breeding and breeding. feeding management. disease prevention. duck farm construction and management. etc. for the majority of duck farmers.…