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Tag Archives veterinary medicine

Moist areas in otherwise dry pastures can offer prime habitats for lungworms.
Features, Livestock

Drought can heighten lungworm risk in summer and fall

The effect of lungworms depends on an animal’s immune system and how many larvae it has ingested, but the worst infections tend to occur in young animals

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Luke Smith’s east quarter section on the edge of the Blue Hills southwest of Avonlea consisted mainly of slough grass and willow with patches of fescue and brome where prairie sat above a large spring-fed slough. The area provided abundant grazing for 20 replacement heifers and a bull. He called after checking the group with […] Read more
Creativity needed to address veterinarian shortage
Features, Livestock

Creativity needed to address veterinarian shortage

As demand grows for veterinarians, stagnant graduation rates and steep competition from urban areas have left many rural practices in a crunch

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Working in a rural community as a large animal veterinarian always made perfect sense to Dr. Trevor Lawson. “There’s nowhere I’d sooner be because I came from a rural area and that’s where I always wanted to be,” says Lawson, who practices at Shubenacadie, Nova Scotia, specializing in bovine and equine care, and is an […] Read more
Rosie is an Ayrshire-cross milk cow, the kind of cow you could milk anywhere if you offered a handful of oats.
Cow-Calf, Livestock

This cow’s coming apart: Photosensitivity linked to dry conditions

Veterinary Case Study: A dry summer likely encouraged Rosie the milk cow to graze plants she’d normally avoid, and the results were nearly disastrous

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Kirby’s ranch incorporated a section of short grass prairie and bush southeast of Regina. Kirby’s family lived comfortably on what 30 commercial cows, two sows, a milk cow, 20 chickens and a full-time job at the lumberyard provided. Kirby could have been a stand-up comedian because he had more one-liners than most could imagine and […] Read more
Cattle in the field on a January day.
Beef Cattle, Features, Livestock

Milk fever in beef cows

Veterinary Case Study with Dr. Ron Clarke

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Matt called early on January 1, 1975, worried about a downer cow on a field of swathed barley damaged by hail in July of the previous summer. Matt let the crop volunteer through the growing season with plans to swath it near the end of harvest as winter graze for his herd of 200 Hereford-cross […] Read more
The bacterium Mycoplasma bovis is an economically important pathogen of cattle that contributes to the complex nature of bovine respiratory disease.
Livestock, Vet advice

Has Mycoplasma bovis jumped the species barrier — again?

Vet Advice with Dr. Ron Clarke

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Mycoplasma bovis is an important bacterial pathogen associated with chronic pneumonia and arthritis in feedlot animals, mastitis in dairy herds and middle ear infections in calves. Over the last two decades, Mycoplasma bovis emerged as a cause of troubling respiratory disease and arthritis in feedlot cattle and extended into young dairy and veal calves. A […] Read more
Skunks, bats and wild carnivores run the highest risk of transmitting rabies.
Features, Livestock

Rabies in livestock often forgotten

Six tips to avoid rabies exposure

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Rabies is a disease based in antiquity. It has been described through pictures and text since ancient times. The end result hasn’t changed: living creatures get rabies; they die. Globally, rabies claims over 55,000 human lives every year from every continent in the world except Antarctica. Fortunately, rabies is a relatively rare disease in humans […] Read more
The ins and outs of stomach tubing calves
Calving, Features, Livestock

The ins and outs of stomach tubing calves

New calves in distress or having trouble nursing can still get their first colostrum by tubing, giving them a better shot at good health

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Finding a newborn calf too weak to stand or in distress is all too common. Without intervention, calves in this condition will likely die. It doesn’t have to end that way according to Dr. Melissa Wallace of Livestock Veterinary Services, Picture Butte, Alta. Vulnerable calves can receive their first colostrum by tubing, essentially jump-starting health […] Read more
Animals play a role in the emergence and dynamics of infectious disease.
Livestock, Vet advice

Infectious disease: Transmissibility and herd immunity

Vet Advice with Dr. Ron Clarke

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In November 2019, the world changed. A cluster of pneumonia cases in Wuhan, China — the cause eventually identified as a novel coronavirus labelled COVID-19 — turned the world on its ear. While a novel coronavirus trammeled the world, humans stood in awe wondering what might happen. COVID-19 sickened 46.2 million people (as of November […] Read more
The staff at Bow Valley Genetics.
Cow-Calf, Features, Livestock

New opportunities to apply embryo transfer

Embryo transfer may start to grow in commercial herds, in conjunction with other genetic selection tools

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When you think of bovine embryo transfer, it’s likely you view it as a technique geared toward the seedstock industry. This advanced reproductive technology is a well-established tool for purebred breeders, and now some embryo transfer practitioners are seeing opportunities for its growth in commercial breeding programs. “Embryo transfer or IVF is not a technology […] Read more
Cattle need nearly three times as much oxygen as a similar-sized horse just to stay awake and lie around.
Bovine Respiratory Disease, Livestock, Research

Everything old is new again – treating chronic mycoplasma

Research on the Record with Reynold Bergen

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Cattle were ideally created (or evolved) to consume and digest high fibre diets. Whoever (or whatever) was responsible for designing the rumen so elegantly probably should have paid more attention to the respiratory tract. The design of the bovine respiratory tract makes it easy for BRD bacteria such as Mannheimia, Pasteurella, Histophilus and Mycoplasma to […] Read more

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