نتایج جستجو برای: laying quail
تعداد نتایج: 17765 فیلتر نتایج به سال:
The social behavior of animals, which is partially controlled by genetics, is one of the factors involved in their adaptation to large breeding groups. To understand better the relationships between different social behaviors, fear behaviors and production traits, we analyzed the phenotypic and genetic correlations of these traits in Japanese quail by a second generation crossing of two lines d...
This study aimed to determine the effect of african leaf juice (Vernonia amygdalina) supplementation in drinking water on performance and fatty acid profile quail egg yolk. A total 120 eight-week-old Japanese was used this reared for 6 weeks colony cage. Completely randomized design with three treatments five replications were study. The control treatment (without supplementation), 3 ml bird-1 ...
The present study makes an investigation into expression of genes related to cardiac development in chicken, quail and chicken-quail hybrids during the early stage of embryogenesis. Real-time PCR was used to detect mRNA expressions of Nkx2-5, GATA4 and TBX5 in the heart of chicken, quail and chicken-quail hybrids embryos during the 3rd to 7th days of incubation. Results showed that NKX2-5 mRNA ...
The ex vivo culture of avian embryos is a technique for the long-term culturing of embryos outside of their own shell and shell membrane. It allows easy access to the developing embryos and embryo manipulation. The two-step system is widely applied when the culture is performed after oviposition. Japanese quail as well as bobwhite quail are used as models for avian safety assessment as recommen...
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