(submitted photo/ Saskatchewan Ministry of Agriculture)

By Alice McFarlane

Anthrax found in Saskatchewan

Anthrax detected in a cow in eastern Saskatchewan

Sep 26, 2023 | 3:58 PM

Saskatchewan Ministry of Agriculture has confirmed anthrax was the cause of death in a cow in the RM of Cote.

The lab results were confirmed on Sept. 25. Anthrax is also suspected in two additional deaths in the same herd.

Anthrax is caused by the bacteria Bacillus anthracis, which can survive in spore form for decades in soil. Changes in soil moisture, from flooding and drying, can lead to a build-up of spores on pastures.

Spores can concentrate in sloughs and potholes, and the risk of animal exposure to anthrax increases in drier years when these areas dry up and become accessible. Spores can also surface when the ground is excavated or when there is excessive run-off.

Livestock are infected when they eat forage contaminated with spores. Ruminants such as bison, cattle, sheep, and goats, are highly susceptible, and horses can also be infected. Swine, birds, and carnivores are more resistant to infection, but farm dogs and cats should be kept away from carcasses. Affected animals are usually found dead without any signs of illness.

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Anthrax can be prevented by vaccination. Producers in regions that have experienced previous outbreaks are strongly encouraged to vaccinate their animals each year. If a producer’s neighbours have anthrax, they should consider vaccination to protect their animals.

The carcasses of any animal suspected of having anthrax should not be moved or disturbed and should be protected from scavengers such as coyotes or ravens, to prevent spreading spores in the environment.

Anyone who suspects anthrax should contact their local veterinarian immediately for diagnosis. All tests must be confirmed by a laboratory diagnosis. All positive test results must be immediately reported to the provincial Chief Veterinary Officer.

Producers are advised to use caution when handling potentially infected animals or carcasses. Animal cases pose minimal risk to humans, but people can get infected through direct contact with sick animals or carcasses. In cases where people believe they have been exposed to an infected animal, they should contact their local health authority or physician for advice.

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alice.mcfarlane@pattisonmedia.com

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