'Genetic trend' diaporamas de présentation

Overview of the Dairy Genetic Evaluation System

Overview of the Dairy Genetic Evaluation System. AIPL Mission. Conduct research to discover, test, and implement improved genetic evaluation techniques for economically important traits of dairy cattle and goats Genetically improve efficiency of dairy animals for yield and fitness.

534 views • 33 slides

US Genetic Improvement Program: Methods and Results

US Genetic Improvement Program: Methods and Results. AIPL Mission. Conduct research to discover, test, and implement improved genetic evaluation techniques for economically important traits of dairy cattle and goats Genetically improve efficiency of dairy animals for yield and fitness.

443 views • 32 slides

Characteristics of genetic evaluations for daughter fertility in relation to other fitness traits

Characteristics of genetic evaluations for daughter fertility in relation to other fitness traits. Abstr. 519. DHI-Provo lactation records. Economic impact. Lower herd milk yield Increased insemination costs Losses from involuntary culling for fertility International export disadvantage.

289 views • 17 slides

Genetic Evaluation of A ge at First Calving

Genetic Evaluation of A ge at First Calving. Data. First calving from January 1, 1997 to present Calving ages between 540 and 1105 days The cows sire had to be at least 5 years old 8,193,513 first calvings. Model. y = hys + a + e y = age at first calving

167 views • 16 slides

Genetic Evaluation of A ge at First Calving

275 views • 12 slides