GFM Network News


An outbreak in anthrax occurs primarily in wet springs followed by a very hot, dry summer or in very dry conditions.

Preventing anthrax in cattle

In dry years, livestock graze closer to the ground and may come in contact with spores

With the fall 2018 anthrax outbreak in northern B.C., now is an ideal time to review prevention strategies. In 2006 we learned lots about the disease and how to control it with the big outbreak in Western Canada. Cattle are very susceptible, along with a long list of other species including bison and horses. It […] Read more

Although the efficacy of blackleg vaccines is occasionally disputed in North America, there are few veterinary practitioners who would be comfortable convincing producers to stop using the vaccine.

A vaccine that saved the cattle industry

Vet Advice with Dr. Ron Clarke

Blackleg, a disease of many ruminants, is universal. It is most commonly seen in sheep, cattle and goats. Outbreaks have been reported in farmed bison and deer. The acute nature of the disease makes successful treatment difficult. Although the efficacy of commonly used blackleg vaccines has been disputed by the occasional academic based on the […] Read more


Gruinard Island off the northwest coast of Scotland.

Fake News: A chance to learn about forbidden places

Vet Advice with Dr. Ron Clarke

The story appeared in the Scottish Sunday Herald, Saturday, March 31, 2018. “A group of Russian oligarchs is bidding to buy Gruinard Island off the northwest coast of Scotland. Gruinard is known as Anthrax Island after being used for testing biological weapons during the Second World War. It is uninhabited today due to fears of […] Read more

It’s that anthrax time of year

Animal Health: News Roundup from the June 2017 issue of Canadian Cattlemen

Anthrax spores can lurk in soil for decades and there’s no telling where the disease will pop up from year to year. All it takes is something that brings spores to the surface and the stage is set for an outbreak in cattle that happen to ingest them. Predicting when anthrax will occur in Canada […] Read more


To be effective, the right drug must be administered at the right time and right dosage.

Criteria for selecting the right antibiotic

There are a lot of factors at play and all of them need to be 
considered in every case where antibiotics are an option

Although a few very effective antibiotics have been removed from the marketplace over the years, the choice has never been greater. The challenge is there are so many factors hinging on the outcome, so deciding which antibiotic to use — or if one is necessary at all — can be a very difficult decision. Also […] Read more

Anthrax detected in northern Alberta

Two cases confirmed from two separate beef cattle farms in the Fort Vermillion area

Alberta Agriculture and Forestry has been notified of confirmed cases of anthrax in two separate beef cattle farms in the Fort Vermillion area. Given these findings and recently confirmed cases in Saskatchewan, producers are reminded to be on the look-out for anthrax. The recent hot, dry weather has led to conditions that are favourable for […] Read more


Recent bison deaths in North Battleford caused by anthrax

Disease has a highly rapid onset in cattle resulting in sudden death

With high temperatures and drought, cattle and bison are at a higher risk of anthrax. Two bison deaths northwest of North Battleford, Saskatchewan have recently been confirmed as caused by anthrax, and seven others are suspected. Producers are encouraged to keep a watchful eye and to refresh their memories on what to do when anthrax […] Read more