Publicado por Hebei Science and Technology Press, 2000
ISBN 10: 7537537305 ISBN 13: 9787537537308
Librería: liu xing, Nanjing JiangSu, JS, China
paperback. Condición: NEW. Paperback. Pub Date: 2009 Language: Chinese in Publisher: Hebei Science and Technology Press. livestock and poultry breeding technology: Special Economic Animal breeding technology economic animals introduced specific to livestock other than poultry rearing and protection by human . or its product has a high economic value and have different biological characteristics from wild to domesticated animals. About the concept of a species of economic animals in academia is no exact definition. it i.