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...

Genetics and Economics of Using In-vitro Produced Embryo Transfer in Dairy Herds

Source: WCDS Advances in Dairy Technology Take Home Messages In-vitro produced embryo transfer (IVP-ET) in dairy herds greatly reduces the genetic lag with service sires....

A dairy herd-level study of postpartum diseases and their association with reproductive performance and...

Source: Journal of Dairy Science J. Dubuc, J. Denis-Robichaud, Faculté de Médecine Vétérinaire, Université de Montréal, C.P. 5000, Saint-Hyacinthe, Québec, J2S 7C6, Canada ABSTRACT The objectives of this...

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...

Trouble-Shooting Reproduction Issues

Jocelyn Dubuc,  Faculté de médecine vétérinaire, Université de Montréal, St-Hyacinthe, QC Email: jocelyn.dubuc@umontreal.ca Take Home Messages  The best metric to quantify the overall herd reproductive...

Publishable Lactations and Official Genetic Indexes During COVID-19 Service Disruption

Source: Lactanet Canada Industry Standards Committee, Lactanet Canada April 20, 2020 Background During the COVID-19 pandemic, routine milk recording services have been significantly disrupted.  Service is provided,...

Annual Pro$ Update – April 2020 –

Source: Lactanet A prominent change with the April 2020 official genetic evaluation release is the annual update of the Pro$ formula. Following the revision of...

Genetic Traits and Colour Codes

Source: Holstein Canada Genetic Traits and Colour Codes Gene Name Description Gene and Expression Code BY Brachyspina (causes abortion & stillborn, shortened spinal cord, long legs & abnormal organs) BYC = tested...

Base Change Summary

Source: Lactanet Each year, the genetic base used to express genetic evaluations in Canada is updated in conjunction with the first official release.  The definition...

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...
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