Lifetime Performance Index (LPI) Formula

Source: Lactanet Canada Where the relative emphasis placed on each of the three main components in each breed is presented in the following table along...

Activity monitors to improve reproduction

Source: Ministry of Agriculture, Food, and Rural Affairs Fact Sheet written by: Brian Lang – Dairy Cattle Production Systems Specialist/OMAF and MRA Activity monitors offer the opportunity...

A comparison of different algorithms for phasing haplotypes using Holstein cattle genotypes and pedigree...

Source: Journal of Dairy Science YounesMiar*†MehdiSargolzaei†‡Flavio S.Schenkel† * Department of Animal Science and Aquaculture, Dalhousie University, Truro, Nova Scotia, Canada B2N 5E3 † Centre for...

When Do Your Cows Pay Back Their Debt?

Source: Lactanet In April 2019, Canada’s profit-based selection index, Pro$, was updated to reflect current economic values and consider additional expenses and traits. Pro$ is...

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...

Benchmarks for reproduction at the herd level

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...

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),...

Genetics

Source: National Farm Animal Care Council Code of Practice for the care and handling of farm animals – Dairy Cattle, Section 3.12 Improved genetics and environmental...

Genomic Evaluations Without Published DGV

Source: Lactanet Canada Unlike any other country, Direct Genomic Values (DGV) have been published in Canada for genotyped animals as part of its genomic evaluation...

Timed-Artificial Insemination Programs: Is Shorter Better?

Source: Dairy Research and Extension Consortium of Alberta Shadi Nayeri and Dr. Paul Stothard, University of Alberta Why is this important? Poor or inadequate visual estrus detection is...
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