نتایج جستجو برای: layer chicken
تعداد نتایج: 319064 فیلتر نتایج به سال:
Journal:
:Poultry science
2002
H Wall
R Tauson
K Elwinger
Production performance, including egg quality, and proportion of eggs laid in nests were studied in furnished experimental cages incorporating nests, litter baths, and perches. The study comprised a total of 972 hens of two genotypes: Lohmann Selected Leghorn (LSL) and Hy-Line White. The birds were studied from 20 to 80 wk of age, and conventional four-hen cages were included as a reference. In...
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