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Tag Archives residual feed intake

“We did not see any interaction between cattle RFI ranking and diet quality.” Dr. Hushton Block, Ag Canada, Lacombe, Alta.
Beef Cattle, Livestock

Balancing your nutrients will pay off

Research looked at improving the economic and feed efficiency for beef cattle

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Dr. Hushton Block, beef cattle nutritionist previously at the Agriculture and Agri-Food Canada Bran­don Research Centre and now currently at Lacombe, is interested in finding ways of improving the economic and feed efficiency for beef cattle. One idea Block looked at deals with how beef cattle with better (lower) residual feed intake (RFI) react with […] Read more
Grazing behaviour checked by GPS and pedometers did not differ significantly for high- and low-RFI females in this trial.
Beef Cattle, Features

Do RFI ratings predict cattle performance on pasture?

In a word, no

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Producers often wonder if genetic markers for feed efficiency based on drylot tests reflect feed efficiency on pasture where terrain, water sources and plant diversity are very different from a pen setting. Genetic markers for residual feed intake (RFI) have been identified that correlate well with actual RFI determined during the standard trials in pens […] Read more
Tim, Daniel and Arno Doerksen.
Beef Cattle, Features, Livestock

Getting the genetics right

The Doerksens of Gemstone Cattle Co.

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On 1,500 acres in eastern Alberta, Arno, Tim and Daniel Doerksen are hard at work getting ready for their Gemstone Cattle Company’s second annual bull and female sale in Brooks, Alta. in December. The sale will include purebred Hereford and Angus bulls as well as Hereford, Angus and Here­ford-Angus-cross commercial heifers. The Doerksen family has […] Read more
Breeding for methane suppression and feed efficiency
Beef Cattle, News, News Roundup

Breeding for methane suppression and feed efficiency

Research: News Roundup from the October 3, 2016 issue of Canadian Cattlemen

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A recent Alberta research project, known as GreenBeefCow, is designed to merge information between three ongoing studies into methane production and feed efficiency in beef cattle. Researchers in the GreenBeefCow project will evaluate biomarkers for methane production in cattle, investigate relationships between methane production and other methane-related traits, and then add this information to larger […] Read more
bulls feeding
Beef Cattle, Features

Canada’s First Look at Residual Feed Intake EPDs

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Canadian Hereford breeders have long believed in the breed’s feed efficiency and now they’re collecting the numbers to back up that claim. Exceptional breeder participation in the Canadian Hereford Association’s (CHA) residual feed intake (RFI) research project has led to Canada’s first-ever expected progeny differences (EPD) for RFI and a related trait called residual intake […] Read more

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