ANEQ 328 Week 16 Notes
ANEQ 328 Week 16 Notes ANEQ328-001
Popular in Foundation in Animal Genetics
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Nella Weber III
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This 2 page Class Notes was uploaded by Destinee on Wednesday May 4, 2016. The Class Notes belongs to ANEQ328-001 at Colorado State University taught by Milton Thomas in Spring 2016. Since its upload, it has received 16 views. For similar materials see Foundation in Animal Genetics in Animal Science at Colorado State University.
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Date Created: 05/04/16
ANEQ 328 Foundations In Animal Genetics Week 16 Class Notes 5/3/16-5/5/16 Merging Multiple Types of Information for Genetic Improvement Animal Breeding is centered around three main ideas: o Molecular Genetics o Transmission Genetics o Population Genetics All in an effort to improve the genetic lineage of animals. Genetic Improvement and Trend From Selection o Due to genetic selection there has been an increase trend in growth traits, such as yearling weight for example. Composite Animals o A breed made up of two or more breeds in order to achieve hybrid vigor. Ex. Poultry, Horse, and Beef Cattle and Angus Evolution of EPD models o Animal’s pedigree o Various traits that we measure for animals Ex. Knowing the weaning weight value can help predict the genetic breeding value for weaning weight. o Multi-breed Ex. Simental and angus crosses o Animal’s genetic information Molecular breeding value Genomic relationship matrix o EPD used for Beed Cattle o PTA used for Dairy Cattle o EBV used for Horses Ex. A Bull with a yearling weight of +100 (. 95) on his EPD. In 1982 the yearling weight was 1,000lbs. 1 year later he is expected to have a yearling weight of 1,100lbs. Since the accuracy of the EPD is .95 we can be pretty confident that it is accurate. Pedigree Accuracy o RNA Sequencing gives important information for genes and SNP (functional info SNP) o WGS=Whole Genome Selection Makes the breeding value more accurate. EPD Accuracy o The more DNA info you provide on an EPD the more accurate it becomes. ANEQ 328 Foundations In Animal Genetics Week 16 Class Notes 5/3/16-5/5/16 Traits That Can’t Be Measured With EPDs o Feed Efficiency o Fertility o Health Traits o Grazing distribution o Consumption traits DNA to Phenotype o DNARNAProtein
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