'Snp effects' diaporamas de présentation

Current status of genomic evaluation for U.S. dairy cattle

Current status of genomic evaluation for U.S. dairy cattle. Genotypes received (last 12 months). Genomic data flow. Dairy Herd Improvement (DHI) producer. DNA samples. DNA samples. genomic evaluations. DNA samples. DNA laboratory. AI organization, breed association. genotypes.

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Genomic Selection in Multi-Breed Dairy Cattle Populations

Genomic Selection in Multi-Breed Dairy Cattle Populations. John B. Cole Animal Genomics and Improvement Laboratory Agricultural Research Service, USDA Beltsville, MD 20705-2350. Introduction. Genomic selection rapidly adopted for purebred cattle (Hayes et al., 2009; Wiggans et al., 2011)

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How the genomic evaluation program works

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Challenges and successes in dairy cattle genomics

Challenges and successes in dairy cattle genomics. History. Why genomics works in dairy. Extensive historical data available Well-developed genetic evaluation program Widespread use of AI sires Progeny test programs High valued animals, worth the cost of genotyping

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Genomic Selection in Dairy Cattle

Genomic Selection in Dairy Cattle. Dairy Cattle. 9 million cows in US Attempt to have a calf born every year Replaced after 2 or 3 years of milking Bred via AI Bull semen collected several times/week. Diluted and frozen Popular bulls have 10,000+ progeny

908 views • 33 slides

Genomic Selection in Dairy Cattle

Genomic Selection in Dairy Cattle. Dairy Cattle. 9 million cows in US Attempt to have a calf born every year Replaced after 2 or 3 years of milking Bred via AI Bull semen collected several times/week. Diluted and frozen Popular bulls have 10,000+ progeny

981 views • 33 slides

Genomic Selection in Dairy Cattle

Genomic Selection in Dairy Cattle. Dairy Cattle. 9 million cows in US Attempt to have a calf born every year Replaced after 2 or 3 years of milking Bred via AI Bull semen collected several times/week. Diluted and frozen Popular bulls have 10,000+ progeny

348 views • 33 slides

Efficient Estimation of Breeding Values from Dense Genomic Data

Efficient Estimation of Breeding Values from Dense Genomic Data. Genomic Calculations. Genotypes soon available from BFGL: 50,000 SNPs / animal 3,000 animals, many more possible Need efficient computing algorithms Traditional PTAs available from AIPL:

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Efficient Estimation of Breeding Values from Dense Genomic Data

Efficient Estimation of Breeding Values from Dense Genomic Data. Genomic Calculations. Genotypes soon available from BFGL: 50,000 SNPs / animal 3,000 animals, many more possible Need efficient computing algorithms Traditional PTAs available from AIPL:

269 views • 14 slides

Genomic Evaluations in the United States

Genomic Evaluations in the United States. Organizational roles. Council on Dairy Cattle Breeding (CDCB) responsible for receiving data, computing, and delivering U.S. genetic evaluations for dairy cattle

160 views • 8 slides

Genomic Evaluations in the United States

Genomic Evaluations in the United States. Organizational roles. Council on Dairy Cattle Breeding (CDCB) responsible for receiving data, computing, and delivering U.S. genetic evaluations for dairy cattle

225 views • 8 slides

CONCLUSIONS

INTRODUCTION

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CONCLUSIONS

INTRODUCTION

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