ISBN: 9787533523381 - 鸡病诊治图谱 (1 risultati)

paperback. Condizione: New. Paperback Pages Number: 56 Language: Chinese. Poultry growth rapidly. reproduce prolifically. in the short term to produce a large number of low-cost. nutrient-rich eggs. meat is the best source of the human animal protein foods. China's poultry industry intensification of the highest degree of development Sheng fast to the number of poultry industry. and technology continue to progress are inseparable. But should also see the gradual emergence of a complicated situation of the old and sick i.…