the present research was conducted to analyze the genetic structure of egg quality traits in japanese quail. external and internal egg quality traits were assessed on 1706 eggs of laying japanese quail. eggs were collected for 4 days at the quaits 10 weeks of age. the investigated traits were analyzed through univariate as well as multivariate animal models employing restricted maximum likeliho...

This study aimed to investigate the effects of sumac fruit powder (SFP; Rhus coriaria L.) supplementation on productive performance, egg quality traits and serum biochemical parameters in old laying hens. One-hundred-twenty, 54 weeks Hy-line W36 strain-laying hens were assigned three treatments, five replicates eight per replicate a completely randomised design. Experimental diets included: (1)...

Internal and external quality characters of poultry eggs are quitely important to determine egg weight. Also, the is for both hatching production. The purpose this study was modelling weight with MARS (Multivariate Adaptive Regression Splines) method using inner outsider in Lohmann LSL Classic white hybrit flock. For purpose, hybrid flock (n=60) were used. Weekly yields evaluated from 22nd week...

the present study was conducted to estimate correlations among performance and egg quality traits in iranian native fowl. data were collected from 21,679 birdsat the isfahan native fowl breeding center to derive genetic parameters for performance traits and egg quality traits were measured on eggs of 1,020 birds. genetic correlations of performance and egg quality traits were estimated with a b...

The objective of this work was to determine the influence natural (marigold flower extract) and synthetic (canthaxanthin) pigments on shelf life eggs from light laying hens in final stages production. 288 birds were distributed a completely randomized design, with eight treatments, consisted four levels marigold extract (2.1; 2.4; 2.7 3 ppm) canthaxanthin (0.4 ; 0.7; 1,0 1.3 ppm), each treatmen...

Table eggs collected at random from one-hundred and fifty layers (75-FUNAAB-Alpha 75- ISA brown) kept Breeding Unit, Teaching Research Farm, Olusegun Agagu University of Science Technology, Okitipupa 31st, 33rd, 35th weeks (WK) age were analyzed for internal external characteristics within 24 hours laying. The data subjected to analysis variance assess the effect breed on egg quality. Breed had...

to determine the effect of hen age and storage condition on egg quality, fresh eggs were sampled from two commercial flocks of white leghorn hens at 28 and 68 weeks of age. half of sampled eggs from each flock were stored at 6°c and the other half was stored at room temperature. fifteen eggs were randomly sampled from each treatment following collection and at 5-day intervals to 30 days of stor...

This study was carried out to investigate the effect of two housing systems on external and internal egg characteristics of a commercial laying bird. Two hundred and eighty pullet of Nera layers were divided into two even group kept in different housing systems (deep litter vs cage). External and internal egg quality traits were examined at 26, 30, 34 and 38wk. Data were then collected on egg w...

AIM The experiment was carried out to evaluate different external and internal egg quality traits and to figure out their mode of inheritance from a set of hierarchically classified data. MATERIALS AND METHODS The data collected from 548 progenies (1 egg from each progeny) of 282 dams mated to 47 sires (1 sire mated to 6 dams) of a White Leghorn flock were used in the present study. Phenotypi...

Fix a small graph H and let YH denote the number of copies of H in the random graph G(n, p). We investigate the degree of concentration of YH around its mean, motivated by the following questions • For what λ does YH have sub-Gaussian behaviour, namely Pr(|YH − E(YH)| ≥ (λvar(YH))) ≤ e−cλ. where c is a positive constant. • What is Pr(YH ≥ (1 + 2)E(YH)), for a constant 2, i.e, when the upper tai...