نتایج جستجو برای: layer chicken

تعداد نتایج: 319064  

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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