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Layers practical technology(Chinese Edition)
NONG YE BU NONG MIN KE JI JIAO YU PEI XUN ZHONG XIN ZHONG YANG NONG YE GUANG BO DIAN SHI XUE XIAO ZU
Idioma: Inglés
Editorial: China Agricultural Science and Technology Press Pu 2000
- Tapa blanda
Librería: liu xing, Nanjing, JS, Chinaliu xing
Contactar con el vendedorVendedor de 5 estrellasCondición: Nuevo
EUR 34,93
Envío por EUR 15,80Se envía de China a Estados Unidos de AmericaCantidad disponible: 1 disponibles
paperback. Condición: 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.