Are some cows genetically susceptible to Johne’s Disease?

Source: Dairy Research Cluster A research project led by Nathalie Bissonnette (Agriculture and Agri-Food Canada (AAFC) -Sherbrooke) and Kapil Tahlan (Memorial University of Newfoundland) is investigating genetic markers...

Select Sires Develops First-Of-Its-Kind Genetic Tool To Combat Mastitis

Mastitis is the most common clinical disease reported in dairy cows and cited as the No. 3 reason for culling in commercial dairy herds....

Major Type Traits Move to Composite Indexes

Source: Lactanet The April 2021 official genetic evaluation release by Lactanet brings changes to the evaluations for Conformation and the four major scorecard traits; Mammary...

Accelerating genetic gain for novel traits in Canadian Holstein cows

Source: Dairy Research Cluster 3 Principal Investigator: Flavio Schenkel (University of Guelph) Co-Investigators: Christine Baes, Angela Canovas, Janusz Jamrozik (University of Guelph) Collaborators: Xin Zhao (McGill University),...

What’s New with April 2021 Genetic Evaluations

Source: Lactanet It seems that Canada’s genetic evaluation release in April of each year always comes with a series of important changes, and April 2021...

Interpreting Sire Proofs for Linear Type Traits

Source: Lactanet Author:    Allison Fleming, Geneticist, Lactanet Brian Van Doormaal, Chief Services Officer, Lactanet Conformation has been an important element of genetic improvement and selection programs...

Dairy genomic selection

Source: Ministry of Agriculture, Food, and Rural Affairs Fact Sheet written by: Blair Murray – Dairy Genetic Improvement Specialist/OMAFRA The use of genomic information in genetic evaluation...

Harnessing the genetics of the modern dairy cow to continue improvements in feed efficiency

Source: Journal of Dairy Science M.J.VandeHaar*L.E.Armentano†K.Weigel†D.M.Spurlock‡R.J.Tempelman*R.Veerkamp§ * Department of Animal Science, Michigan State University, East Lansing 48824 † Department of Dairy Science, University of Wisconsin,...

New undesirable genetic factor identified in Jersey breed

Source: Jersey Canada A new undesirable genetic factor, known as Jersey Neuropathy with Splayed Forelimbs (JNS), has been identified in the Jersey breed. The Jersey...

Dairy cattle genetics

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...
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