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Tag Archives Parasites

Chicory on a farm near Turtle Lake, Sask, which was part of the Saskatchewan Forage Council’s 2023 summer tour. Plants such as chicory can be part of a parasite control strategy.
Animal Health, Beef Cattle, Livestock, Parasites

Managing parasite resistance to livestock dewormers

There’s no easy way to extinguish resistance to dewormers, but producers can manage it and control parasites

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The debate is over on whether internal parasites are developing resistance to dewormers in Canadian cow herds, as far as the research is concerned. But while researchers can offer some general principles, ranchers will need to get a little creative to figure out how to manage it on their own operations. Dr. John Gilleard is […] Read more
AUDIO: Managing resistant parasites in your cow herd
Parasites

AUDIO: Managing resistant parasites in your cow herd

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Research indicates that internal parasite resistance to some dewormers is likely widespread, but there’s no simple solution. There are, however, approaches that can work, and some that likely won’t. Dr. John Gilleard, professor of parasitology at the University of Calgary, busts some myths about resistant parasites, explains how they evolve to become resistant and what […] Read more
cryptosporidium parvum
Livestock, Vet advice

Cryptosporidium: A nightmare in the making

Vet Advice with Dr. Ron Clarke

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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
Parasite control in the feedlot
Animal Health, Features, Finishers, Livestock, Parasites

Parasite control in the feedlot

Strategic deworming methods to maximize product efficacy and cattle productivity

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If there was a tool available for Canadian cattle feeders to improve both weight gain and disease resistance, what would it be worth to implement? What if that tool was as simple as deworming cattle on arrival?  As simple as deworming is, not every feedyard opts to do it. Whether the perception is that feedlot […] Read more
A cluster of E. coli bacteria. As an alternative to using antibiotics for fighting E. coli infections in newborn and weaned pigs, scientists are finding promising results from introducing mixes of beneficial bacteria, obtained from other pigs, into the gut of young pigs.
Vet advice

Vet Advice: Exploring the ‘hygiene hypothesis’

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As a veterinarian, I wondered for many years if animals and humans could function normally in an environment free of pathogens, free of stress and devoid of all things considered harmful. What might the balance be between not enough and too much? Are city kids raised in a semi-sterile milieu advantaged or disadvantaged compared to […] Read more
Don’t ignore drug-resistant parasites
Beef Cattle

Don’t ignore drug-resistant parasites

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Dr. John Gilleard, the associate dean of research and professor of parasitology at the University of Calgary faculty of veterinary medicine says most of the studies about drug-resistant worms in cattle were done in the U.S. and Europe but the story they tell is applicable to Western Canada. “What has happened in the past 10 […] Read more

Canadian Cattlemen Presents: Depth of Field

Glacier Farmmedia Podcast

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AGCanadaTV: In case you missed it; your national ag news recap for July 18, 2025

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