ISBN: 9787504675880 - 肉牛标准化养殖技术 (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Pub Date: 2017-08-01 Publisher: science and technology of China press. 2010. the department of agriculture began to nationwide implementation of livestock and poultry breeding standardized demonstration activities. as the transformation of the mode of animal husbandry development. improve the comprehensive production capacity. the development of modern animal husbandry to promote the focus of the work.Since 2013 the ministry of agriculture to strengthen the standar.…