The veterinary term for feedlot dust pneumonia is acute interstitial pneumonia.

Dust a risk factor in calf pneumonia

Vet Advice with Dr. Ron Clarke

When drought and the Great Depression introduced the 1930s, the wheat market collapsed. Oceans of wheat had replaced the sea of prairie grass that anchored the topsoil into place. Once the wheat dried up, the land was defenseless against the winds that buffeted the Plains. The term “dust pneumonia” originated during the Great Depression when […] Read more

A bat, with fruit.

Vet Advice: Pandemics lay at the door of human dilemma

Vet Advice with Dr. Ron Clarke

From a recent article by Jocelyne Piret and Guy Boivin that appeared in Frontiers in Microbiology: The shift from hunter-gatherers to agrarian societies favoured the spread of infectious diseases in the human population. Expanded trade between communities increased interactions between humans and animals and facilitated the transmission of zoonotic pathogens. Increased travel and a growing […] Read more


Fighting vaccination is a declaration of an intention that threatens to collapse our medical system — already in a malaise after a two-year battle with COVID-19.

Being contrary is not caring

Vet Advice with Dr. Ron Clarke

The Canadian Veterinary Oath states the following: As a member of the veterinary medical profession, I solemnly swear that I will use my scientific knowledge and skills for the benefit of society. I will strive to: Promote animal health and welfare, Prevent and relieve animal suffering, Protect the health of the public and the environment, […] Read more

Once breeding season ends, it’s important to get breeding bulls back in shape.

Managing bulls after breeding season

Vet Advice with Dr. Ron Clarke

Breeding bulls serve two primary purposes they enhance overall reproductive traits of the breeding herd and transmit long-term desirable herd genetics via offspring. Bull purchasing and management decisions before, during and after breeding season have an impact on both calf crop and herd genetics. Bull management can be divided into the following seasons: pre-breeding or […] Read more


Contact tracing is not limited to infectious disease epidemics among humans; it is also used during infectious disease outbreaks in livestock.

Contact tracing: Trying to get it right

Vet Advice with Dr. Ron Clarke

Epidemiologic contact tracing is an arduous and time-consuming process, yet very important. Timely interventions reduce the size and scale of infectious disease epidemics. Methods that are more efficient at identifying contacts allow more effective controls to be implemented sooner, reducing the epidemic’s magnitude. Ebola epidemics in West Africa and a two-year COVID-19 pandemic that infected […] Read more



Vet Advice: Pain control in cattle

Vet Advice: Pain control in cattle

It’s that time of year again. Calving for many producers is nearing completion, especially for those trying to dodge the impact of bad weather and the last of winter’s snows. April and May are busy times on the calving grounds. Thoughts shift to processing this year’s calf crop. Branding dates are normally communicated to neighbours […] Read more

Core biosecurity principles and accompanying practices linked to livestock production now envelop all aspects of food production, preparation, manufacturing and human health.

Planes of biosecurity

Vet Advice with Dr. Ron Clarke

Simply defined, biosecurity encompasses procedures intended to protect humans and animals from disease or harmful biological agents. Animal biosecurity is a general description for measures designed to protect Canada’s animal resources from foreign and endemic infectious and parasitic disease agents at national, regional and farm levels. Many of the concepts related to biosecurity formally started […] Read more


Few things in life today remain unscathed by the COVID-19 pandemic.

Saying goodbye to normal

Vet Advice with Dr. Ron Clarke

“Civilizations have marched blindly toward disaster because humans are wired to believe that tomorrow will be much like today.” — Roy Scranton, Learning to Die in the Anthropocene There’s a word for the new era we live in: the Anthropocene. This term represents the idea that we have entered a new epoch in Earth’s geological […] Read more

Your calving area should be clean, dry and close to shelter.

Getting ready for calving

Vet Advice with Dr. Ron Clarke

It’s better to look ahead and prepare, than look backwards and regret. — Mark Twain When preparing for the spring season, there are several things to keep in mind. Avoid surprises about the bull battery. Track the start and end of calving season. It should match the start and end of a controlled breeding season. […] Read more