Intro to Animal breeding and genetics.docx

Intro to Animal breeding and genetics.docx - January 8th...

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January 8 th , 2018 (Lecture 1- Introduction to Animal Breeding and Genetics) Animal Breeding Discipline in animal science that utilizes the principles of genetics and statistics with the goal of improvement of animals. Science that helps in the quest to breed better animals Better animals depend on: Livestock- Efficiency (e.g. Dairy cows giving more milk, Beef cattle increase muscle yield and marbling), wanting better production traits Wildlife- for genetic diversity Different for different species Robert Bakewell (1700s) Born in England First to use animal breeding and created breeds Father of the Art of Animal Breeding Had definite ideas about breeding livestock Responsible for breeds Shire horses, Leicester sheep, Longhorn cattle Never sold males, he leased them (beginning of progeny testing) Mated the best with the best, regardless of their relationship Used inbreeding for increased homozygosity All livestock were normally kept together in this period. Bakewell separated them. Intensively
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