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...

Increased Profits from Higher Lactation Persistency

Source: Lactanet Average lactation yields have steadily increased year after year. An observation at Canadian Dairy Network (CDN) is that the typical lactation curve has...

CDCB Changes Coming in the Fertility Evaluations

Source: Council on Dairy Cattle Breeding, Drs. H. Duane Norman and Ezequiel Nicolazzi1 Over the last couple of years, the noticeable seasonal fluctuations in trends in...

Prevalence of digital dermatitis in Canadian dairy cattle classified as high, average, or low...

Source: Journal of Dairy Science ABSTRACT Lameness is a major animal welfare issue affecting Canadian dairy producers, and it can lead to production, reproduction, and health...

Genetics 101: genetic progress before & since genomics

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...

Using body condition scoring in dairy herd management

Source: Ontario Ministry of Agriculture, Food and Rural Affairs Fact Sheet written by:R. Parker – Dairy Cattle Specialist/OMAFRA Introduction There are six key times during the yearly...
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