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Selection index for bulls of Holstein cattle in the Czech Republic
selection index Holstein cattle bulls
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2015/6/1
Complex selection indexes are proposed for bulls of Holstein cattle in the Czech Republic. Partial breeding values for milk performance, fertility and body conformation are combined in the index. Conf...
Lactation Persistency as a Component Trait of the Selection Index and Increase in Reliability by Using Single Nucleotide Polymorphism in Net Merit Defined as the First Five Lactation Milk Yields and Herd Life
Economic Weights Milk Yield Persistency Herd Life Selection Index
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2016/5/10
We first sought to clarify the effects of discounted rate, survival rate, and lactation persistency as a component trait of the selection index on net merit, defined as the first five lactation milks ...
Selection Index for Improving Grain Yield and Related Traits in Tef (Eragrostis Tef)
Selection Index Improving Grain Yield Related Traits Tef
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2010/12/16
Selection Index for Improving Grain Yield and Related Traits in Tef (Eragrostis Tef)。
Genetic Trends for Laying Traits in the Brown Tsaiya (Anas platyrhynchos) Selected with Restricted Genetic Selection Index
Genetic Trends Restricted Genetic Selection Index Laying Ducks
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2016/4/14
A small body size of Brown Tsaiya laying duck is desirable to reduce maintenance requirements, so the body weight at 40 weeks of age (BW40) has to be maintained at its current level. Egg weight has to...