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Wild lupine plants near the shore of South Bar, Nova Scotia
Vet advice

A case study of lupines and crooked beef calves

Vet Advice with Dr. Ron Clarke

By
Jim called one night concerned that his Holstein milk cow could not deliver a calf. The cow, a seven-year-old female bred by artificial insemination, had never had problems. But a trip to the Maritimes two summers ago was an unexpected catalyst for a new issue. Nova Scotia offered an array of “new things” for Jim […] Read more
A cow with her newborn calf. People often consider fetal abnormalities as “accidents of gestation,” but failing to identify heritable defects when they occur can see further distribution of mutated genetics.
Cow-Calf, Livestock, Vet advice

Skeletal deformities of beef calves

Vet Advice with Dr. Ron Clarke

By
Much is written about genetic mutations in beef calves: why it happens, pathological descriptions and how to manage the deformities. Pathologists love to describe structural abnormalities of organ systems and what else has been discovered. The literature on genetic mutations goes far beyond what can be covered in one column, so I will only address […] Read more
Preventing foreign animal disease in North America
Beef Cattle, Livestock, Vet advice

Preventing foreign animal disease in North America

Vet Advice with Dr. Ron Clarke

By
Experimental studies under controlled conditions have contributed enormously to our understanding of the pathogenesis and transmission dynamics of foot-and-mouth disease. The industry and scientific community must be complimented on the detailed plans developed to prevent introduction of diseases, such as foot-and-mouth in cattle and pigs, as well as plans to control foreign animal diseases, if […] Read more
calf in a pasture
Livestock, Vet advice

Causes and risk factors of abortion in cattle

Vet Advice with Dr. Ron Clarke

By
When examining abortion in cattle, it’s important to look at incidence, cause, definition, when to summon help and what to do. As an aid to producers, abortion can be defined as terminating pregnancy any time after around 42 days, when placentation is complete. Placentation is the establishment of membranes joining mother and fetal blood supply […] Read more
Barbed wire with cattle in silhouette against sunset
Beef Cattle, Livestock, Vet advice, Vet Advice

How barbed wire transformed ranching in the West

Vet Advice with Dr. Ron Clarke

By
Ranching in southern Alberta can be divided into two eras. One before the fence, and the one that came to stay, after the fences. From D. Larraine Andrews’s book, Ranching Under the Arch:“Responding to the new lease legislation, four corporate ranches, dubbed the Patriarchs, arrive under open range practices dependent on chinooks to keep grasslands […] Read more
A cow and a calf in a barn stall
Beef Cattle, Livestock, Vet advice

Leptospirosis in people, dogs, horses and cattle

Vet Advice with Dr. Ron Clarke

By
The story about leptospirosis started during a dog walk with good friends as part of our daily outing. They knew little about zoonoses and the importance of disease transmission between animals and humans. A recent article on “Leptospirosis” Linda read in an agriculture journal piqued her interest on the diseases shared by humans and animals. […] Read more
Photo: russokm1105/iStock/Getty Images
Animal Health, Vet advice

Oil and cattle: When major industries collide

Vet Advice with Dr. Ron Clarke

By
There are currently just under 500,000 gas and oil wells in Alberta. Although difficult to find exact numbers, it appears nearly 5,000 new oil and gas wells are drilled across Western Canada every year. Capital investment for the Canadian oil and gas sector could reach $40.6 billion in 2024.  It’s big business and much of it […] Read more

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