نتایج جستجو برای: mazandaran native breeder hens
تعداد نتایج: 115707 فیلتر نتایج به سال:
Journal:
:Poultry Science
1966
Journal:
:Poultry Science
2019
Journal:
:Poultry Science
1976
Journal:
:Animal Production Science
2016
Journal:
:International Journal of Poultry Science
2011
Journal:
:Journal of Applied Poultry Research
1992
Journal:
:Canadian Journal of Animal Science
2014
Journal:
:Brazilian Journal of Poultry Science
2022
The objective of this study was to assess the effect ambient temperature (T) and feeding time (FT) on eggshell thickness (ST) egg weight (EW) broiler breeder hens. Thirty 44-week-old Ross 308 hens were randomly distributed into six environmentally controlled chambers kept in individual cages. Three thermal treatments applied: 20 ºC (T1), cyclic 20-30 (30 °C between 1000 h 1800 h) (T2), 30 (T3)....
Journal:
:Indian Journal of Animal Research
2016
Journal:
:Scientia Agricola
2004
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