'Calving interval' presentation slideshows

Prof. Anil Kumar Srivastava Director National Dairy Research Institute Karnal-132001 (India)

629 views • 34 slides

Performance Recordin g Guidelines

Performance Recordin g Guidelines. Chapter 25. Choosing Selection Criteria. Genetics: Heritable variation passed to the next generation. Environment: Management decisions or temporary effects. Phenotype: What the animal looks like. Creep Feeding Maternal environment Drought

269 views • 26 slides

Selection for Fertility in Dairy Cattle

Selection for Fertility in Dairy Cattle. Factors Affecting Fertility. Environment and management Season, region, herd, age, milk yield Estrus detection and / or synchronization Voluntary waiting period Fertility of bull (ERCR in USA) Genes of cow (Dau. Pregnancy Rate)

590 views • 25 slides

Reproductive Physiology and Management Research Program

Reproductive Physiology and Management Research Program. Robert Dailey, Jorge Flores, Keith Inskeep, Marlon Knights, Paul Lewis and Matthew Wilson. Projects/Support. Hatch 427/NE1007 - Ovarian and Environmental Influences on Embryonic/Fetal Mortality in Ruminants 10/1/02-9/30/07

426 views • 25 slides

Quality of Data Included in Genetic Evaluations for Daughter Pregnancy Rate

Quality of Data Included in Genetic Evaluations for Daughter Pregnancy Rate. Evaluation Methods. BLUP Animal Model Same programs used for yield, PL, SCS Adjust for regional, seasonal and parity differences. Convert to preg rate = (233-DO) / 4.

180 views • 17 slides