Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback. Pub Date: 2012 03 of Pages: 119 in Publisher: Tianjin Science and Technology Translation and Publishing Corporation hens operating management and health Q & A in the form of questions and answers on the process of laying hens feeding market research. investment risk. farm management. eggs chicken care and avoidance strategy in detail. I hope that through this book the dissemination of scientific chicken knowledge. to help farmers and friends in the process of laying hens feeding de. Codice articolo CC050970
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