Tuberculosis bacteria under an electron microscope. (Janice Haney Carr photo courtesy Centers for Disease Control and Prevention (U.S.))

Bovine TB probe officially closed

An investigation across three provinces following the appearance of bovine tuberculosis (TB) in six Prairie cattle in 2016 has officially closed with no further cases found. The Canadian Food Inspection Agency on Monday reported receiving the last of the lab culture test results on about 30,000 animals tested during its probe. “All of the results […] Read more

The bovine TB mystery may never be solved

The bovine TB mystery may never be solved

Health: News Roundup from the January 2018 issue of Canadian Cattlemen

While there is no doubt several ranching operations in Alberta and Saskatchewan took it on the chin, Canada has come through the discovery of a single TB case in 2016 still with a “TB Free” country status and no significant market disruption, says an official with the Canadian Food Inspection Agency (CFIA) While there was […] Read more


The search continues for TB and JD vaccines

The search continues for TB and JD vaccines

Animal Health: Treatment for the elusive diseases grows closer

We could be lucky and find our vaccine candidates for bovine tuberculosis and Johne’s disease within a month, or it could take a year and a half. We hope within a two-year window we will have candidates ready to test out in the field.” These encouraging words come from Dr. Andrew Potter, CEO at the […] Read more

Dr. E.E. Ballantyne, director of Veterinary Services, Edmonton, Alta.

History: Compensation for T.B. Reactors Found in Restricted Area Testing

Reprinted from the May 1950 issue of Canadian Cattlemen

By Dr. E.E. Ballantyne, director of Veterinary Services, Edmonton, Alta. Because it is compulsory to dispose of reactors to the test for tuberculosis, the Dominion Government pays compensation for such animals so that the owner will be helped to build his herd with healthy cattle. Compensation on purebred cattle is up to $100 and grades […] Read more





(Photo courtesy Canada Beef Inc.)

More bovine TB quarantines still expected

Tracking an outbreak of bovine tuberculosis through southeastern Alberta and southwestern Saskatchewan is still expected to lead to more quarantines of more Prairie cattle ranches, though no new controls have been imposed since before Christmas. As of Wednesday, the Canadian Food Inspection Agency reported no new cases of bovine TB in its investigation, beyond the […] Read more

(Photo courtesy Canada Beef Inc.)

No TB quarantines lifted over holidays

None of the 50 ranch properties still under federal quarantine for bovine tuberculosis in southeastern Alberta and southwestern Saskatchewan have been released in the past two weeks, officials reported Thursday. The Canadian Food Inspection Agency on Thursday resumed regular updates on its ongoing investigation into cases of bovine TB in the area. As of Thursday, […] Read more


cattle on a pasture with mountains

Bovine TB: An old disease, a modern enigma

Vet Advice with Dr. Ron Clarke

The TB investigation in southeastern Alberta continues to unfold. The riddle of where it came from and finding ways to deal with the relative “stranger at our door” is unnerving. When the views of an anxious livestock industry, a federal regulatory agency, and a probing public collide, the task of disease control approaches unmanageable. Add […] Read more

Alberta’s provincial Agriculture Minister Oneil Carlier and Medicine Hat MLA Bob Wanner (r) met Dec. 21 with producers affected by the bovine tuberculosis outbreak near Jenner, about 75 km northeast of Brooks. (Government of Alberta photo)

Quarantines added in bovine TB probe

Federal inspectors’ search for animals exposed to one of six Alberta cattle confirmed with bovine tuberculosis (TB) has led them to quarantine more farm sites for testing. As of Wednesday, “approximately 50” farm sites, mostly in southeastern Alberta with “approximately five” in southwestern Saskatchewan, are under quarantine and movement controls, affecting about 26,000 animals, the […] Read more