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Layers practical technology(Chinese Edition)
Published by
China Agricultural Science and Technology Press Pu, 2000
ISBN 10: 7802333539
ISBN 13: 9787802333536
New
paperback
Seller: liu xing, Nanjing, JS, China
Seller rating 5 out of 5 stars
paperback. Condition: New. Paperback. Pages Number: 54 Language: Chinese . Publisher: China Agricultural Science and Technology Press Pub. Date :2008-01-01. Layers practical technology mainly includes the entire process of laying hens Brood (O ~ 42 days). incubation period (43 to 140 days ). egg production period (141-500 days) of feeding and management. layer farms comprehensive health and major disease control and prevention measures to improve the economic efficiency of measures laying field. Book table with a perfo. Seller Inventory # F11959