a total of 2000 records of egg quality of 746 birds and body weight data from 17th generation of fars native fowl breeding station were used to estimate the genetic parameters of egg quality and body weight traits. six univariate animal models with different random effects were fitted for each trait. a model with direct additive genetic and maternal permanent environmental effects was the most ...

The leopard gecko (Eublepharis macularius) exhibits temperature-dependent sex determination as well as temperature-influenced polymorphisms. Research suggests that in oviparous reptiles with temperature-dependent sex determination, steroid hormones in the yolk might influence sex determination and sexual differentiation. From captive leopard geckos that were all from the same incubation tempera...

The present study was carried out to determine some egg quality characteristics and storage related changes using computer assisted digital image analysis (CADIA) in an 18-month old moulted brown layer (Lohmann Brown) flock. A total of 150 newly laid eggs was randomly divided into two groups: eggs from the control group were broken immediately, while the remainder were stored at 18 C and 55% RH...

Cold and immobilization stressors can generate oxidative stress as well as skeletal muscle fatigue. Free radicals cause oxidative degradation of lipids, proteins, nucleic acids, and carbohydrates molecules, thereby compromising cell integrity and function. Quail egg had been described as being very functional biochemically, due to the essential biomolecules it contains in very regulated quantit...

Bacterial penetration shortly after inoculation has not been reported extensively. Four strains of bacteria, Salmonella typhimurium (ST), Escherichia coli (EC), Pseudomonas earuginosa (PE) and Stapylococcus aureus (SA), in chicken egg components of Bovan brown were analyzed by serial dilution and scanning electron microscopy. After exposing the fresh eggs to the bacterial strains at concentrati...

The objective of this study was to determine the ideal amino acid ratio for Japanese quail based on egg quality. In total, 120 were used. A completely randomized design used with 12 treatments and 10 replicates per treatment. consisted a balanced protein (BP) subsequent 11 diets obtained by 40% deletion BP specific test Lys, Met + Cys, Thr, Trp, Arg, Gly Ser, Val, Ile, Leu, His, Phr Tyr. trial ...