Effect of different photoperiods on some maintenance behavior, external and internal egg quality traits of layers

Faculty Veterinary Medicine Year: 2016
Type of Publication: ZU Hosted Pages:
Authors:
Hisham Hosny Elsayed Mohamed
Journal: Japanese Journal of Veterinary Research Hokkaido University Volume:
Keywords : Effect , different photoperiods , some maintenance behavior, external    
Abstract:
This study was conducted to investigate the effect of three different photoperiods (13, 16, 19 hours) on some maintenance behavior, external and internal egg quality traits of layers. One hundred and eight birds of Bovans layers at 25th w
    
     
 
       

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