ISBN: 9787508210148 - 美国青蛙养殖技术 (1 resultados)

paperback. Condición: New. Language:Chinese.Paperback Pages Number: 106 U.S. frog farming is a new development of production projects. The book covers: the economic value of the frog breeding and development prospects of the biological characteristics of American frogs. farm construction and sunlight greenhouse setting. American frog feeding and management. the doped material acquisition and feeding. disease control. harvesting and transportation. processing and utilization. The book is suitable for frog breeding and r.…