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Book Description paperback. Condition: New. Language:Chinese.Pages Number: 87 Publisher: Guangxi Science and Technology Press Pub. Date :2002-07. Written by experts with extensive practical experience compiled. Book for the technical difficulties of artificial breeding leeches. leech introduce the basic biology of knowledge and skills in farming operations. including the biological characteristics of the leech. Hirudo artificial breeding techniques. wide-body gold leech and seed rearing of cubs. leech seed the harvesting and transport. Seller Inventory # L10403