'Days open' presentation slideshows

Genetic Evaluation of Cow Fertility Using DHIA Records

Genetic Evaluation of Cow Fertility Using DHIA Records. History of DHIA Data. Factors Affecting Fertility. Environment and management Season, region, herd, age Milk yield, voluntary waiting period Fertility of service sire (ERCR) Genes of cow (DPR) Interaction of bull and cow

497 views • 24 slides

Prospects for Increasing Profitability Using Genetic Reproductive Indexes

Prospects for Increasing Profitability Using Genetic Reproductive Indexes. 1. Phenotypic trend in days open. Lactation. 2. 3. 4. 5. Two tall tales:. 1. Reproduction is only a management issue 2. Genetics can not help solve fertility problems. Reproductive evaluations.

277 views • 19 slides

Prospects for Increasing Profitability Using Genetic Reproductive Indexes

Prospects for Increasing Profitability Using Genetic Reproductive Indexes. 1. Phenotypic trend in days open. Lactation. 2. 3. 4. 5. Two tall tales:. 1. Reproduction is only a management issue 2. Genetics can not help solve fertility problems. Reproductive evaluations.

198 views • 19 slides

Genetic relationships among fertility traits of Holsteins and Jerseys (abstract 351)

Genetic relationships among fertility traits of Holsteins and Jerseys (abstract 351). H.D. NORMAN * ( dnorman@aipl.arsusda.gov , 301-504-8334 ) , R.H. MILLER, P.M. V AN RADEN, and J.R. WRIGHT Animal Improvement Programs Laboratory Agricultural Research Service, USDA

170 views • 16 slides

Correlations Among Measures of Dairy Cattle Fertility and Longevity

Correlations Among Measures of Dairy Cattle Fertility and Longevity. Longevity & Fertility Investigation. 1,062,791 c ows born 1992-1994 Daughters of 3080 Holstein sires Progeny tested bulls with > 60 daughters Older bulls to provide ties and relationships Compare two measures of longevity

423 views • 15 slides

Definition of Traits and Comparison of Models for Cow Fertility

169 views • 12 slides

2/3 BHK Luxury Residential Flats In Siddharth Vihar, Ghaziabad

Buy 2/3 BHK Luxury Residential apartments in Siddhartha Vihar, Ghaziabad within your budget on truvaegroup.com

209 views • 8 slides

Effectiveness of genetic evaluations in predicting daughter performance in individual herds

Effectiveness of genetic evaluations in predicting daughter performance in individual herds H. D. Norman 1 , J. R. Wright 1 *, C. D. Dechow 2 and R. C. Goodling, Jr. 2 1 Animal Improvement Programs Laboratory, Agricultural Research Service, USDA, Beltsville, MD 20705-2350

91 views • 1 slides