A Johne’s-infected cow will wean calves 50 pounds lighter, on average, than its healthy counterparts.  |  File photo

Producers issued Johne’s warning

Livestock specialists say the disease is a deadly threat lurking in western Canadian cattle herds and is difficult to prevent

Glacier FarmMedia – There’s no cure for it, it can take years to show up and, once cattle get it, it’s a matter of time until they waste away and die. It’s Johne’s disease, and experts are warning producers to take it more seriously. Dr. Cheryl Waldner, professor with the University of Saskatchewan’s Western College […] Read more

A vaccine for Johne’s disease would benefit the beef cattle industry by increasing the quality of the meat and slowing the rates of infection, but dairy producers would feel the most immediate economic benefits.  |  File photo

Researchers work to develop Johne’s vaccine

Universities of Calgary and Saskatchewan both developing vaccines, and there are plans to see if they can be combined

Researchers at the University of Calgary are one step closer to introducing a vaccine that will help dairy producers combat Johne’s disease in cattle. While Johne’s disease — an ailment closely related to tuberculosis — can be found in all ruminants, it is particularly high in dairy cattle. As much as 50 percent of Alberta’s […] Read more

Cows that lose weight but still have good appetite might have Johne’s and should be tested.  |  Heather Smith Thomas photo

Johne’s lurks under the radar in beef sector

Johne’s is a sneaky disease that most cattle producers don’t notice until it is well established in a herd. It doesn’t show up until an animal has been infected a long time and then starts to lose weight and eventually has diarrhea. Tests for the disease won’t show anything until the animal is in those […] Read more


Herd management is all-important when producers find Johne’s disease in their herds. | Dr. Steve Hendrick photo

Best strategy for Johne’s is to identify animals most likely clean

Veterinarians say it is particularly important for producers to protect the health of their female replacement animals

When people find that they have Johne’s in their herd, they need to figure out how to deal with it. Dr. Karin Orsel, a veterinarian at the University of Calgary, says producers can test their entire herd but they won’t find every infected animal. “So your strategy would be to determine which animals are most […] Read more

Calves can get Johne’s disease through contact with manure, so a clean pen is essential.  |  File photo

Sask. testing program reveals Johne’s

MOOSE JAW, Sask. — Saskatchewan’s Johne’s testing program has found a significant number of positive herds, but provincial disease surveillance veterinarian Wendy Wilkins says that’s because the participants already suspected they had a problem. The program offered through Growing Forward 2 began in the fall of 2013. As of March 2017, 12,300 head had been […] Read more