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John Greig

John Greig

Senior Editor

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John Greig is a senior editor with Glacier FarmMedia with responsibility for Technology, Livestock and Ontario. He lives on a farm near Ailsa Craig, Ontario. Contact John at [email protected] or follow him on Twitter @jgreig.


Stories by John Greig

Dr. Leluo Guan University of British Columbia professor is leading a $7.9 million project to better understand methane processes in cattle rumens. Photo: UBC
Livestock, News

$7.9 million cattle research project aims to find rumen efficiencies

Cross-Canada project to reduce methane production will be led by UBC researcher

By John Greig December 27, 2024
A pan-Canadian research project will try to understand more about how methane is generated in the rumen of beef and dairy cattle.

The owners of Claynook farm are Tyrone, left, and his parents Betty Ann and Dennis Wagler.
Barns, Cow health, Genetics, Livestock

Claynook open house showcases new cross-ventilated barn

New Hamburg-area farm now milks with robots

By John Greig December 17, 2024
Claynook farm produces elite dairy cattle in a new barn that features cross-ventilation and robot milking.


Dairy calf colostrum critical for immunity and energy
Calf health, Dairy

Dairy calf colostrum critical for immunity and energy

Calves moving into the dairy-beef stream need milk or milk replacer during transportation stops

By John Greig December 2, 2024
Calves moving into the dairy-beef stream need milk or milk replacer during transportation stops

Build bigger value for cull dairy cows
Cow health, Dairy, Livestock

Build bigger value for cull dairy cows

In a time of high beef prices, feeding cull cows before they’re sent for slaughter can make sense

By John Greig November 18, 2024
Dairy cows being sent for meat could be of higher value and healthier if they are fed for up to 60 days before processing.

Photo: Canada Beef
Livestock, News

McDonald’s to pay U.S. farmers for feed efficient Enogen corn use

The company is partnering with Syngenta to pay some farmers who use corn with the trait

By John Greig November 15, 2024
A partnership between McDonald’s and Syngenta in the United States will pay beef producers to use Enogen corn, which will improve the feed efficiency of cattle and reduce greenhouse gas emissions.


Cows that eat corn with the Enogen trait are about five per cent more feed efficient.
Dairy, Livestock, News, Nutrition

McDonald’s to pay U.S. farmers for feed efficient Enogen corn use

The company is partnering with Syngenta to pay some farmers who use corn with the trait

By John Greig November 14, 2024
McDonald’s is paying 0.4 cents per animal per day, to farms that use Syngenta’s feed efficient Enogen trait, to help cut greenhouse gas emissions.

Jeffrey-Way Hard Rock Twigs won the Supreme Championship of the dairy show at the Royal Agriculture Winter Fair with Lindsay Bowen on the halter.
Dairy, Genetics, Livestock

Jeffrey-Way Hard Rock Twigs wins Royal Supreme Champion

The cow was also Grand Champion of the Holstein Show at the Royal Agricultural Winter Fair 2024

By John Greig November 11, 2024
Jeffrey-Way Hard Rock Twigs won her second of North America’s major dairy show championships when she took the Royal Agricultural Winter Fair’s Supreme Championship on Nov. 9, 2024. The black […] Read more

Erica Tessman of Merck Animal Health shows the SenseHub Youngstock tag that lights up when a calf has an issue that needs to be checked.
Calf health, Dairy, Livestock

Calf monitoring is next dairy tech frontier

By John Greig November 7, 2024
Calf monitoring ear tags are creating more data to help manage health on dairy farms, enabled by artificial intelligence, as shown at World Dairy Expo 2024


Jordon Underhill, founder of the Canadian Dairy Xpo introduces the new American Dairy Xpo show Nov. 7 in Burlington, Vermont.
Dairy, Livestock, News, Transition cows

Canadian Dairy Xpo, DLG launch new American show

The American Dairy Xpo will be based near Burlington, Vermont

By John Greig November 7, 2024
The American Dairy Xpo was recently launched by the Canadian Dairy Xpo and its new owner, DLG, from Germany. It will debut during the first week of November 2025 in Burlington, Vermont.

Judd Maxwell, Syngenta's head of North American Corn Product Placement, shows a model of the stock crusher used by the company to automatically measure standability of corn.
Crops

Mechanical innovation helps seed companies keep up with genetic testing speed

Seed companies collect data in the field faster than ever using sensors

By John Greig November 5, 2024
Seed companies like Syngenta are using mechanical innovations to keep up with the speed of genomic testing

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