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ISBN 10: 7122190951ISBN 13: 9787122190956
Da: liu xing, Nanjing JiangSu, JS, Cina
Libro
paperback. Condizione: New. Paperback. Pub Date :2014-03-01 Pages: 323 Language: Chinese Publisher: Chemical Industry Press book is divided into a total of four and Appendix: first choice of papers is introduced hens living habits. good or bad egg raising. raising laying hens What conditions are required. what is the most appropriate time to invest. invest more suitable for large-scale development and direction of the egg industry and other content. the article raised or not raised to solve the problem; The second piece.