Source: WCDS Advances in Dairy Technology
Mark Carson
EastGen Genetics, Guelph, ON
Email: Mark.Carson@EastGen.ca
Take Home Messages
Reproductive performance has improved in herds larger than 150 cows in central and western Canada since 2011.
Improvements in heifer inventory management can be seen in...
Source: Dairy Farmers of Canada, dairyresearch.ca
Principal Investigator:
FLAVIO SCHENKEL University of Guelph
COLLABORATORS:
Mehdi Sargolzaei, Filippo Miglior and Stephen Miller University of Guelph
OBJECTIVE:
The overall goal of this activity was to carry out research on the development of new genomic evaluation methods in order...
Source: Agriculture and Agri-Food Canada
A century of improvement
Canadian dairy cattle genetics are among the best in the world. So it's not surprising that producers in many countries depend on Canadian genetics to provide consistent, high-quality results in their breeding...
Source: Canadian Dairy Network
2019 will mark Canada's 10th anniversary of the introduction of official genomic evaluations. When they were first introduced by Canadian Dairy Network (CDN) in August 2009 for Holsteins, there was much hesitation and questioning about whether the...
Source: Holstein Canada
SINCE THE INTRODUCTION OF GENOMICS, we have seen advancements in genetic progress for all traits in the Holstein breed. Though it may be hard to believe, genetic progress has doubled in the years since genomics; it is...
Source: Canadian Dairy Network
There is no doubt that the arrival of genomics in Canada ten years ago has had a major impact on the entire dairy industry. It can be argued, however, that no segment of the industry has...
Source: Holstein Canada, info Holstein May/June 2016
Dairy producers strive for improved performance with each passing year and each successive generation on their operation. There are many ways to pursue this outcome, but for the purpose of this article we’ll categorize...
Source: University of Minnesota Extension, Joe Armstrong, DVM, and Brad Heins, Extension educators
Quick facts
There are several genetic evaluation tools that make interpreting dairy genetics easier.
Sire selection is the fastest way to make improvements in herd genetics.
Crossbreeding...
Source: Canadian Dairy Network
Where the relative emphasis placed on each of the three main components in each breed is presented in the following table along with the multiplicative factors for each component.
Production Component (PROD):
PROD = + +...
Source: Canadian Dairy Netwrok
One benefit from genotyping females that has a growing interest to dairy producers is the information that becomes available relative to genetic recessives and haplotypes. CDN last wrote on the topic in June 2016 (see "Managing...
