Education
Round-Table Which Total Performance Index Do You Prefer?
Which total merit index do you use in choosing the bulls for your herd? Which traits do you focus on in particular? Which traits do you put less emphasis on?...
“Surrogate Sires”: The Concept is now a Reality
How many times has this thought occurred? When an outstanding sire has a shortage of semen supply, or an elite bull is injured and cannot produce semen, or even when...
Single-Step: Next Generation in Genetic Evaluations
Genomic evaluations first arrived in 2009 and created a revolution in Holstein breeding that more than doubled the rate of genetic gain. Continued refinements and improvements have produced incremental increases...
Mastitis – The New Heavyweight Among Health Traits
Theoretically, a breeding value for somatic cell score (SCS), as is routinely calculated in most countries around the world, could continue to serve as a genetic indicator for udder health...
Wellness Traits: Building a Healthier Herd
Use of genomics in official genetic evaluations has transformed the dairy cattle breeding industry over the past decade. Now genomics is being used to offer breeders new options when it...
TPI and Net Merit: Do You Know Exactly What They Include?
With US Holstein genetics playing a major role on the international scene, the TPI is widely recognized and has become a common language understood in many different countries around the...