Close-up of a cow hoof.

Managing lameness in cattle can mean tough decisions

In cow calf production, lameness is second only to reproduction for culling criteria. It impacts all levels of the production cycle, and in the long term, it can become an animal welfare issue. Cow-calf producers must prevent and treat lameness and provide an area with feed and water close by where convalescence can occur. If […] Read more


A close-up photo of a wood tick on a white background.

Climate change will have negative effects on animal health

We can expect climate change to have effects on animal health in many different ways. Indeed, there is already evidence that the warming and altered climate affects disease dynamics in important ways.  At its most basic level, climate change has increased global temperatures, and this will continue and accelerate, given our current trajectory. Heat stress […] Read more

A black angus cow in a pasture looks over its shoulder at its herd mates much further away.

Salmonella dublin becomes more common in Canada

The technology gender-types embryos before they hatch, avoiding the standard practice of euthanizing day-old male chicks

Most of us are familiar with salmonella bacteria as a potential cause of gastrointestinal disease in humans. The severe diarrhea, abdominal pain, fever, headaches and dehydration can cause serious consequences in people, especially in the elderly and young children. However, there are numerous strains of salmonella bacteria, and some of them are adapted to cattle […] Read more



Reducing waste and improving drug disposal are two of the ways veterinarians can make their practices more environmentally friendly.  |  Getty Images

Sustainability becomes critical factor in vet medicine

Without a doubt, environmental issues such as pollution, climate change and habitat loss impact animal health. Our collective future depends on finding new and better ways to tread lightly on our delicate planet. Environmental stewardship is a key pillar of the veterinary profession. The Canadian veterinary oath even includes the provision that “I will strive […] Read more

Several recent cases of stillborn and aborted sheep fetuses have been linked to Cache Valley Virus. Mosquito-borne viruses are difficult to avoid, but one option is to alter the breeding schedule so that sheep are not in the early pregnancy period during the high-risk mosquito season. | File photo

Cache Valley Virus can be difficult to prevent in sheep flocks

In the past few weeks, Prairie Diagnostic Services in Saskatoon has had some confirmed cases of stillborn and aborted sheep fetuses diagnosed with Cache Valley Virus, a mosquito-borne disease. The virus is widely distributed in mosquito populations throughout North America and in parts of Central America. It was first identified in 1956 in mosquitoes collected […] Read more



The time lag between the cause and the diagnosis of infertility (usually at pregnancy checking time in the fall) can create significant challenges. | File photo

Low cow herd pregnancy rates should be investigated

Many producers have finished or will soon finish pregnancy testing their cattle herds this fall. Anecdotally, it seems pregnancy rates are improved compared to the last few years, when many areas were affected by drought, and poor-quality feed affected body condition and pregnancy rates. This year it seems many herds have returned to normal levels […] Read more