5%20-%20Genetics%20-%20Students

5%20-%20Genetics%20-%20Students - Selection Based on...

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1 Animal Science 160 Beef Lecture 5 Aaron Fisher Selection Based on Genetics Heritability Heterosis Heritability and Heterosis Carcass Growth Reproduction Heterosis Heritability Trait Heritability Estimates Tenderness Carcass Grade Marbling Ribeye Area Fat Thickness Heritability (H2) Carcass Traits
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Heritability Estimates Weaning Weight Gestation Length Calving Interval Birth Weight Heritability (H2) Reproductive Traits Selection Based on Genetics What does all this mean from a selection standpoint? Crossbreeding will have little or no effect on carcass performance Selection Based on Genetics What does all this mean from a selection standpoint? Optimum levels of heterosis are obtained by using crossbreeding or composite breeds Inherited Traits Two types of inherited traits Traits that determine phenotypic characteristics such as coat color or presence of horns, etc. Traits usually controlled by many genes,
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5%20-%20Genetics%20-%20Students - Selection Based on...

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