Narrowing in on Johne’s Disease

This article written by Dr. Reynold Bergen, BCRC Science Director, originally appeared in the February 2019 issue of Canadian Cattlemen magazine and is reprinted on the BCRC Blog with permission of the publisher.

Johne’s disease is caused by a bacterium (Mycobacterium avium paratuberculosis, or MAP) that was discovered in 1895 by a heavily bearded, bespectacled bacteriologist from Dresden named Henrich Albert Johne. When a cow develops persistent, watery, smelly hosepipe diarrhea, and progressively loses weight and body condition even though her appetite is normal and she isn’t running a temperature, she may have Johne’s disease. But it can be hard to know for sure.

Young calves, which are more susceptible to infection than older animals, are often infected with MAP through colostrum, milk or manure. The animal will look perfectly normal, while silently shedding MAP in its own colostrum, milk or manure for a few years before full-blown signs of disease appear. As a result, Johne’s disease is often compared to an iceberg – by the time you see an obviously sick animal, there will be a much larger hidden population of MAP-infected cattle that haven’t become sick yet. Continue reading

How to Increase your Odds of Having Healthy Calves



Calving is a natural process, but sometimes disease, weather, and many other factors can cause stress. How can beef producers best prepare newborn calves to get a healthy start? What are some effective ways to enable calves to be resilient against bugs like bacteria, viruses or other pathogens they will encounter? How can farmers and ranchers manage disease if and when it strikes?

“Having healthy calves takes planning,” said Dr. Claire Windeyer, Assistant Professor in Cattle Health at the University of Calgary’s Faculty of Veterinary Medicine Program. Windeyer shared a number of useful ideas during two previous webinars, Management During Calving Season for Healthier, More Productive Calves and Managing Young Calves to Prevent Disease. Many practices can be implemented on-farm immediately and there are links below to particular segments of the video. Continue reading

Veterinary insights from across Canada: Webinar January 15

Update: Missed the webinar? Find the recording and check for future webinars on our Webinars page: http://www.beefresearch.ca/resources/webinars.cfm



Here’s your chance to ask burning vet-related questions! A panel of veterinarians from across Canada will discuss some of the most common issues they see in their region, including pink eye, foot rot, reproductive issues and more!



Registering on your smartphone? After you click ‘I am not a robot’, scroll up until you find the task to complete. Continue reading

Mycotoxins

A new webpage on BeefResearch.ca provides an overview of what mycotoxins are, the threat they represent for Canadian beef production and how to implement best practices to protect beef cattle.

Mycotoxins are often hidden hazards – a group of harmful toxins produced by certain types of fungi including mould that are only detectable with lab testing. They can create a variety of problems for beef cattle including reduced health and productivity.

The source of mycotoxins are fungi, including mould, that can be present in green pastures, cereal swaths, standing corn for winter grazing, cured and ensiled grass, cereal forages, crop co-products (straw, distillers grains, grain screenings, oilseed meals) and commercial feeds. Continue reading

Using nasal vaccines effectively. Webinar December 11

Update: Missed the webinar? Find the recording and check for future webinars on our Webinars page: http://www.beefresearch.ca/resources/webinars.cfm


Photos courtesy of VIDO

Nasal vaccines are gaining popularity among beef producers but questions often arise about how to use them effectively. What is the best way and the best time to give them? Should you provide a booster? If so, with what? Join this webinar to learn the answers to these questions and more.



Registering on your smartphone? After you click ‘I am not a robot’, scroll up until you find the task to complete.

When
Thursday, November 29 at 7:00 pm MT

  • 6:00pm in BC
  • 7:00pm in AB
  • 8:00pm in SK and MB
  • 9:00pm in ON and QC
  • 10:00pm in NS, NB and PEI

Continue reading

The hand is better than the eye when it comes to cattle condition



Reproduction is the single most important factor in the productivity of a cow-calf operation. Body condition (amount of fat cover) is a key factor in reproductive success. New research from the Western College of Veterinary Medicine suggests that a body condition score (BCS) of 3.0 is the ideal fat cover for beef cows for several reasons, including:

  • very high pregnancy rates
  • very high percentage will show estrus 30 days after calving
  • high calf weaning weights
  • low abortion and stillbirth rates
  • low risk of severe dystocia

Body condition scoring is a low cost, hands-on method to determine the condition of cattle. This easy hands-on method is much more accurate than just looking at the animals. Continue reading

Five producers share ideas that have made their farms and ranches more efficient

Editors note: This article is the second in a series featuring ideas from beef producers across the country. See the first: Eight beef producers share their recent changes 

Fine-tuned management decisions with quick results and bigger management changes that may take a few years for benefits to materialize — these are ideas that Canadian beef producers are applying to their farming and ranching operations.

Good ideas can range from improving pasture watering systems and regularly testing winter feeds, to reducing costs during the fall/winter grazing period, to simple ideas that reduce the stress of calving out heifers, to more sweeping approaches on how to manage an intensive grazing system — all have a common objective to improve beef herd performance in sustainable farming systems.

Here are some ideas that Canadian beef producers have shared that help them produce more pounds of beef, reduce workload, improve overall efficiency and benefit cattle and the environment: Continue reading

Transporting cattle safely. Webinar November 29

Update: Missed the webinar? Find the recording and check for future webinars on our Webinars page: http://www.beefresearch.ca/resources/webinars.cfm

Transporting cattle is the part of the beef production system that is most visible to

the public. Research to understand current realities and determine best practices for transporting cattle is ongoing. Join this webinar to learn what that research has found, as well as practical tips that you can use for successful transport outcomes.



Registering on your smartphone? After you click ‘I am not a robot’, scroll up until you find the task to complete.

When
Thursday, November 29 at 7:00 pm MT

  • 6:00pm in BC
  • 7:00pm in AB
  • 8:00pm in SK and MB
  • 9:00pm in ON and QC
  • 10:00pm in NS, NB and PEI

Continue reading

Antibiotic Use in Canadian Feedlots

This article written by Dr. Reynold Bergen, BCRC Science Director, originally appeared in the October 22, 2018 issue of Canadian Cattlemen magazine and is reprinted on the BCRC Blog with permission of the publisher.



September’s column summarized a Beef Cluster project that evaluated antibiotic use in Western Canadian cow-calf operations. Nearly all cow-calf farms used antibiotics, but very few animals were treated, and most of the antibiotics used were not related to the antibiotics most commonly used in humans. But when it comes to antibiotic use in the beef industry, most of the attention is focused on the feedlot sector.

Until recently, the best Canadian feedlot antibiotic use information came from a small 2006 project (Antimicrobial Resistance in Escherichia coli Recovered from Feedlot Cattle and Associations with Antimicrobial Use, PLoS ONE 10: e0143995). Antibiotic use practices change over time, so a Beef Science Cluster 2 project updated and expanded this knowledge. Continue reading

Lost profits: Injection site lesions cost the industry $1.63 million: New Videos



Injection site lesions visible on the carcass surface have increased to nearly 14% of non-fed cattle and 8% of fed cattle. Even in areas that are inches away from injection sites can result in tissue damage causing tougher meat and lower eating quality. As a result, injection site lesions cost the industry $0.56/head or $1.63 million in 2016. That’s up considerably from 0.21/head or $662,951 in 2011.

What do you need to know?



Animals should be properly restrained to ensure the safety of both yourself and the animal. This will also give greater access to the neck area to improve delivery accuracy and reduce the risk of broken needles.

Use subcutaneous (below the skin) when possible versus intermuscular (into the muscle) when administering injections. Intermuscular injections generate a greater risk of developing a reaction to the treatment and can create injection abscesses and bruising. Continue reading