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Livestock, Research

Antimicrobial resistance: global report on surveillance

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The World Health Organization’s “Antimicrobial resistance: global report on surveillance” was released this spring. The WHO’s report was quite comprehensive and well balanced, compared to much of the media attention that regularly swirls around this issue. Antimicrobial use leads to increased antimicrobial resistance in bacteria. The misuse or overuse of antimicrobials in human or animal […] Read more
Beef Cattle, Research

Better tests for trich and vibrio

Research on the Record

By
Trichomoniasis (trich, or “trick”) and bovine genital campylobacteriosis (vibrio) are venereal diseases that cause early embryonic death, repeat breeding, large numbers of open cows at the end of the breeding season, an extended calving season, and enormous economic losses. The microbes that cause trich and vibrio live in the reproductive tracts of infected cattle, but […] Read more
Cattle in a winter pasture
Livestock, Research

The high cost of shortchanging cows

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Last month’s column talked about how cold, snowy winters increase the energy needs of cows, especially when wintered on pasture, and how cows will use their body fat reserves to maintain themselves if the feed doesn’t provide enough energy. Reproductive performance will drop if thin cows don’t recover their body condition. A 2013 paper published […] Read more
Livestock, Research

Beam me up

Using irradiation to improve beef safety

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No one wants to throw up in zero gravity, so space programs take great care to avoid food poisoning among astronauts. Irradiation has been used to pasteurize astronauts’ food since 1966. In fact, irradiation has been the most studied of all food-processing technologies over the past 60 years. Irradiation improves food safety by fatally damaging […] Read more
Cows in a pasture.
Research

Genetic selection could produce cattle resistant to toxic larkspurs

Study shows selective breeding could produce resistance to toxic plant

By
Cattle are not picky eaters: Put them in a pasture with toxic plants and edible grasses, and they quickly swallow both. For ranchers, this diet comes at a heavy price, with up to 10 percent of steers that graze fields containing toxic larkspurs dying after eating the poisonous plants. The authors of an article published […] Read more
Research

What to expect from a bull’s BSE (breeding soundness evaluation)

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The ultimate goal of a bull development program is to raise physically sound bulls that meet or exceed minimum predictors of fertility established by the Society for Theriogenology. Bull breeding soundness evaluations (BBSE) can determine whether bulls meet the standards and help to sort future sires with good potential to achieve high pregnancy rates in […] Read more
Nutrition, Research

Bug spray for beef?

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The last two research columns have been about technologies and best practices that large and small beef packers can adopt to avoid bacterial contamination during dressing of beef carcasses, and to avoid bacterial (re)contamination of beef cuts and trim during further processing. Ground beef is more of a food safety risk than other cuts, for […] Read more
Research

More Than One Way to Skin a Cow

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This time last year, Canada’s beef industry was coping with the Lakeside-XL beef recall. That event focused attention on the safety of Canadian beef, and the practices that the beef-packing industry uses to manage food safety risks. Since the late 1990s, North America’s beef processors have used Hazard Analysis Critical Control Point plans (also called […] Read more
Dr. Greg Penner (USask.ca)
Features, Research

Mature cereal forage is better than you might think

You might have your yield, with an acceptable loss in feed value

By
The recommended stages of maturity for cutting annual cereals for whole-crop forage are based on what’s good for silage. We just always assumed if it works for silage it must work for greenfeed and swath grazing too. Researcher Greg Penner isn’t so sure now, based on some research he’s been involved with at the University […] Read more

Canadian Cattlemen Presents: Depth of Field

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