نتایج جستجو برای: shell thickness st and shell yield sy were between 009 sy to 041 ew heritability of internal egg quality traits consisting yolk weight yw
تعداد نتایج: 24753795 فیلتر نتایج به سال:
In this experiment, a total of 128 Hy-line W36 hens at 63 weeks of age were used. The hens were put at random into 4 treatment groups (4 replicates and 32 hens per treatment) and were fed four different diets: three diets with different levels of Spirulina (1.5, 2.0 and 2.5%) and one control group based on wheat and soybean meal. All birds were housed in commercial cages, had ad libitum access ...
abstract this study examines the effect of teaching lexical inferencing strategies on developing reading comprehension skill of iranian advanced efl learners. participants were female students of meraj and shokouh institudes of garmsar a quasi-experimental design using two intact advanced classes of efl students at meraj and shokouh institutes. as the first step, a general toefl proficiency te...
rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...
The objective of this study was to determine the effects of various levels of dietary black cumin seed on egg production, egg weight, feed conversion ratio, egg shell quality, and egg yolk cholesterol. In this study, eighty 27-wk-old laying hens (Hyline-5 White) were randomly assigned into 4 groups with 4 replicates of 5 birds each (20 laying hens per group) and fed diets supplemented with 1, 2...
This experiment was conducted to determine the phosphorus relative bioavailability of eight samples of dicalcium phosphate. Bioavailability of Samples of dicalcium phosphate was evaluated and their effects on performance of laying hens were investigated. Commercial samples of Dicalcium Phosphate were provided from the following manufacturers: Iran Phosphate, Partove Bashash, Godaze, Poya Khojas...
This experiment was conducted to determine the phosphorus relative bioavailability of eight samples of dicalcium phosphate. Bioavailability of Samples of dicalcium phosphate was evaluated and their effects on performance of laying hens were investigated. Commercial samples of Dicalcium Phosphate were provided from the following manufacturers: Iran Phosphate, Partove Bashash, Godaze, Poya Khojas...
The objective of the present study was to evaluate the probiotic effects of different concentrations of four selected native Lactobacillus strains on laying performance and egg quality parameters of quails. To do this, a six-week farm trial was performed in completely randomized design with seven different probiotic treatments of four replicates each consisting of eight quails, resulti...
Egg is an important source of animal protein with its nutritional substances. These substances and the quality characteristics egg are affected by physicochemical changes effect various factors during storage. Different studies have been carried out to preserve values eggs In these studies, Ultraviolet applications were mostly used for sanitation eggs, while made determine internal without brea...
This study aims to determine the effect of using Hermetia illucens maggot in feed on internal and external quality broiler eggs.The used 80 laying hens aged 6 months which were divided into 4 treatments, 5 replications each replication consisted tails. The variables observed eggs (egg weight, egg shape index, shell thickness, weight) white yolk Haugh units, color). data obtained analyzed with a...
Background: The eggs of hens are an essential source protein, a food that meets human needs and provides the body with amino acids, metallic elements vitamins promote its health. research aims to study influence storage period strain interaction between them on components internal external quality traits commercially produced brown white-shell eggs. Methods: A total 180 were randomly collected ...
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