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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
Lingua: Inglese
Editore: China Agricultural Science and Technology Press Pu, 2000
- Brossura
Da: liu xing, Nanjing, JS, Cinaliu xing
Contatta il venditoreVenditore con 5 stelleCondizione: Nuovo
EUR 34,25
EUR 15,49 spedizioneSpedito da Cina a U.S.A.Quantità: 1 disponibili
paperback. Condizione: 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.