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A chromosome-wide QTL mapping on chromosome 2 to identify loci affecting live weight and carcass traits in F2 population of Japanese quail
DNA markers growth traits QTLs
2016/7/6
The Japanese quail (Coturnix japonica) is a considerable species which is often used for animal modelling in breeding researches. This study aims to detect quantitative trait loci (QTL) underlying gro...
Defective eggs and their relationship to egg yield, egg and body weight in hens of five original laying lines
hens cracked eggs double-yolk eggs
2015/6/5
We investigated 3 985 individually housed hens of five original laying lines of two breeds RIR and BPR. The proportion of abnormal eggs out of the eggs laid before the age of 240 days ranged between 7...
The effects of housing systems and age of hens on the weight and cholesterol concentration of the egg
conventional cages enriched cages litter system outdoor system yolk cholesterol egg weight
2015/6/4
The effects of laying hen age and the housing of laying hens in conventional cages, enriched cages, litter system and outdoor system on egg weight and yolk and egg cholesterol concentration were studi...
Effects of Maternal Factors on Day-old Chick Body Weight and Its Relationship with Weight at Six Weeks of Age in a Commercial Broiler Line
Broiler Line Maternal Effects Animal Model Restricted Maximum Likelihood Procedure Heritability Genetic Variance
2016/5/4
The present study aimed to investigate the effects of maternal factors on body weight at hatching (day-old) and at six weeks of age in a commercial broiler line. A total of 6,765 records on body weigh...
Canonical correlation analysis for studying the relationship between egg production traits and body weight, egg weight and age at sexual maturity in layers
canonical correlation egg production body weight egg weight age at sexual maturity
2015/6/1
In this study, canonical correlation analysis was applied to layer data to estimate the relationships of egg production with age at sexual maturity, body weight and egg weight. For this purpose, it wa...
Effects of Sex and Market Weight on Performance, Carcass Characteristics and Pork Quality of Market Hogs
Sex Market Weight Pork Quality
2016/4/18
An experiment was conducted to examine the effects of sex and market weight on performance, carcass characteristics and pork quality. A total of 224 crossbred pigs (initially 26.64 kg BW) were allotte...