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Analysis of non-genetic factors affecting calving difficulty in the Czech Holstein population
calving process gestation length age at first calving preceding calving interval dairy cattle
2015/6/5
The objective of this study was to analyze the effects of non-genetic factors affecting calving difficulty in the Holstein population of the Czech Republic for subsequent compilation of the model for ...
Genetic and Non-genetic Factors Affecting Mortality in Lori-Bakhtiari Lambs
Heritability Non-genetic Factors Lamb Mortality Lori-Bakhtiari Sheep
2016/4/29
Data and pedigree information for Lori-Bakhtiari sheep used in this study were 6,239 records of lamb mortality from 246 sires and 1,721 dams, collected from 1989 through 2007 from a Lori-Bakhtiari flo...
Effect of some non-genetic factors on the growth of kids of the brown short-haired breed
goat growth traits kid brown short-haired
2015/6/1
The evaluation of effects of some non-genetic factors (sex, litter size, age of dams and year of study) on the growth of 85 kids of the Brown Short-haired breed was carried out in a period of two succ...
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...
Replacement and Lifetime Production Traits: Effect of Non-genetic Factors and Sire Evaluation
Dietary Xylitol Nitrogen Retention Immunological Stimulation Broiler Chicks
2016/4/8
The present investigation was undertaken to study the effects of non-genetic factors and association among replacement and lifetime production traits. The data on 542 Holstein Friesian cows maintained...