ISBN: 9787122264299 - 河蟹营养需求与饲料配制技术 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2016-04-01 Pages: 318 Language: Chinese Publisher: Chemical Industry Press book focuses on the preparation of the nutritional needs of crab and feed technology. elaborates the status quo crab culture in China. the market demand and trends. in explaining crab biological characteristics. based on ecological habits for crab culture of new technologies. new models. detailing the nutritional needs of different growth stages of crab. crab feed and feeding technique species. cra.…