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Selection of a suitable definition of environment for the estimation of genotype × environment interaction in the weaning weight of beef cattle
environment beef cattle genetic parameters REML maximum likelihood
2015/6/5
Genotype by environment interactions for weaning weight in beef cattle were tested using several definitions of environments. Four breeds of beef cattle (Hereford, Aberdeen Angus, Beef Simmental, and ...
Genetic Relationship of Gestation Length with Birth and Weaning Weight in Hanwoo (Bos Taurus Coreanae)
Gestation Length Birth Weight Weaning Weight Heritability Genetic Correlation Hanwoo
2016/4/27
The genetic relationship of gestation length (GL) with birth and weaning weight (BW, WW) was investigated using data collected from the Hanwoo Experiment Station, National Institute of Animal Science,...
The Effect of Non-genetic Factors on Birth Weight and Weaning Weight in Three Sheep Breeds of Zimbabwe
Non-genetic Factors Birth Weight Weaning Weight Sheep Zimbabwe
2016/4/18
Sheep production is affected by genetic and non-genetic factors. A knowledge of these factors is essential for efficient management and for the accurate estimation of breeding values. The objective of...
Shearing Pregnant Ewes to Improve Lamb Birth Weight Increases Milk Yield of Ewes and Lamb Weaning Weight
Ewes Pregnancy Shearing Milk Yield Lamb Birth Weight Weaning Weight
2016/4/18
Milk yield, lamb birth weight and weaning weight responses to shearing during winter in sheep were investigated. A total of 46 Karayaka ewes were allocated into two treatment groups. Pregnant ewes in ...
Genetic Evaluation and Selection Response of Birth Weight and Weaning Weight in Indigenous Sabi Sheep
Genetic Parameters Variance Components Selection Response Indigenous Sabi Sheep
2016/4/12
Genetic parameters were estimated for birth weight and weaning weight from three year (1991-1993) data totalling 1100 records of 25 rams to 205 ewes of Indigenous Sabi flock maintained at Grasslands R...