Healthier cows may produce more bioactive compounds in colostrum

Published on: 10/20/2014
Source : Ontario Veterinary College

Dairy cattle with enhanced immune responses not only have lower incidents of disease, but may also produce more bioactive compounds in their colostrum that are critical to newborn calves and are beneficial in fighting mastitis-causing pathogens, an Ontario Veterinary College (OVC) graduate student has found. Research has shown that High Immune Responder (HIR) cows have a lower incidence of diseas...

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Tariq Mirza Tariq Mirza
Marketing of vitamines & layer premixes
October 20, 2014
Fleming it s wonderful sharing , What about SCC and TPC effects ?
October 20, 2014
Very interesting, thanks.
Could you also see differences due to parity in production of these bioactive compounds in colostrum and could you hypothesize about transfer of these to blood of calves?
Anna Catharina Berge Anna Catharina Berge
PhD in Comparative Pathology
Berge Veterinary Consulting Berge Veterinary Consulting
Vollezele, Brabant, Belgium
October 20, 2014
Interesting stuff. However, significant difference does not tell me how much difference. How much higher immunoglobulin G levels were found in the high AMIR cows compared to low AMIR cows. What percentage of cows were found to be AMIR high versus low. Any difference in AMIR status between heifers and higher parity cows? I would expect more high AMIR cows in higher parity cows and if that is the case then it is not really news that AMIR status influence colostrum quality.
abdulhadi basaran abdulhadi basaran
Veterinary Doctor
October 25, 2014
To All;
Thanks for study. However, to reach the aim of Fleming's thesis is necessary to intake in sufficient quantity and quality colostrum in time by newborn calves.
W. Harewood W. Harewood
Doctor of Veterinary Medicine
October 28, 2014
Two questions:- What is a HIR cow? How can such cows be idendified?
Analía Göttig Analía Göttig
Community Manager
November 17, 2014

Dr. Harewood,

You can find more info about this technology patented by the University of Guelph here:

Genetic Selection of Cattle for Improved Immunity and Health

Good luck!

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