ISBN: 9787503850721 - (农民致富关键技术问答丛书)快速养猪关键技术问答 【正版书籍】 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: 2008 03 of Pages: 112 in Publisher: China Forestry Publishing House. China is the world's largest pig producing countries account for 50% of the world's total number of live pigs and pork production in the world pig industry occupies a pivotal position. The pork is rich in large amounts of water. the full price of protein. rich in fats and minerals. vitamins. etc. is a high-energy. high-fat nutrition. is China's largest meat consumer goods accounted for 67 of the total c.…