Bladder stones, or obstructive urolithiasis, are a significant cause of morbidity and mortality in male ruminants, especially steers. Uroliths form from protein and mineral components of the diet. Protein components may include cells produced during vitamin A deficiency, sutures, tissue debris, blood clots, excess protein or bacteria in the urine. Typically, stones develop in the […] Read more
Urolithiasis: a pasture and feedlot conundrum
Vet Advice with Dr. Ron Clarke
Vet Advice: Vibriosis
Vibriosis is an important venereal disease of cattle caused by the organism Campylobacter fetus. Some refer to the disease as campylobacteriosis. In sheep, it may be referred to as enzootic abortion, not associated with venereal transmission as much as ingestion of contaminated water and feed. Typically, the disease causes female infertility, with an increased number […] Read more
Quick tips when using livestock vaccines
Veterinary Case Study: From using the right needle size to cleaning syringes, here’s how to do vaccination right
Roper Roy arrived in our practice area last spring. He followed a young lady home from a horse training school in west Texas. Now married, it looked like Roper fell into a sizeable chunk of a prosperous ranching and farming operation. He came to town for supplies for their branding next weekend. While he waited, […] Read more
Vet Advice: Trust in science, technology needed to fight future pandemics
We ignore the zoonotic aspects of pandemics at our peril
COVID is just over three years old. Based on a World Health Organization (WHO) dashboard, as of June 28, there had been 767,518,723 confirmed COVID cases, including 6,947,192 deaths, worldwide. And it’s not finished. COVID drags on as the mother virus spawns new mutant strains. The scientific community at all levels worries about the next […] Read more
Sam
Veterinary Case Study: A favourite mule at an Alberta grazing association exemplifies hybrid vigour
Sam is an oddity and a legend at Willow Creek cow camp, Willow Creek Grazing Association, west of Nanton, Alta. He is an Appaloosa mule with a heart of gold. Anyone can ride him under saddle, from seasoned cowboys to kids learning the basics. You can rope off him and he will carry 200 pounds […] Read more
Cryptosporidium: A nightmare in the making
Vet Advice with Dr. Ron Clarke
I turned on the TV a week ago to watch what’s going on south of the border. After taking in the political news, the next channel I turned to relayed the sad story of a young couple with around 300 cows and a horrible outbreak of cryptosporidiosis during their calving season, the treatment nightmare of […] Read more
Vet Advice: Disease control ineffective when puzzle pieces missing
Knowledge gaps remain on a bacterial pathogen known to affect sheep, but also found in cattle
Mycoplasma ovipneumoniae (M. ovi or Movi) is a respiratory pathogen associated with variable degrees of pneumonia in domestic sheep and goats. Movi first appeared in 1972 and has been on the list of respiratory diseases for sheep and goats since. Healthy bighorn sheep populations, originally naive to Movi, suffer severe outbreaks of mixed microbial pneumonia […] Read more
Mud and ornery heifer make veterinary practice ‘fun’
Veterinary Case Study: Ron introduces a vet student to the fine art of managing manure, mud and high-strung heifers
Unfortunately, not all parts of any professional undertaking are characterized by grandeur despite excruciating hours of study, diagnostic challenges and creating positive financial outcomes for clients. There are memories less rosy than scrubbed Wellingtons, freshly laundered coveralls and starched lab coats. The bad things about large animal practice often involved mud and unseasonable snowfall driven […] Read more
Fighting mud at calving season
Vet Advice with Dr. Ron Clarke
Muddy corrals in early spring are unacceptable for calving. Mud can be a sign of neglect or the unfortunate result of late spring snow storms severe enough to backfill crowded corrals to the point calves are trampled and smothered, or forced to live in the squalor of mud, cold and discomfort. Mud, if not managed […] Read more
Vet Advice: Putting out fires
It would be wonderful if reason and common sense would govern everything we try to accomplish. Unfortunately, one of the greatest myths of common sense is that everything that seems obvious at first is. Things only become obvious after you know all the answers, and they never all come. A complicating reality is that humans […] Read more
Canadian Cattlemen Presents: Depth of Field
