Profit Tips: Identifying BRD pathogens on the farm

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With bovine respiratory disease (BRD) costing producers between $500 million and $900 million annually, identifying and then managing potential BRD pathogens on their properties can be an effective first step in helping defray those losses.

“When producers don’t know what type of pathogen they are dealing with, they have to make assumptions and may or may not be addressing the cause of the problem,” says Tom Van Dyke, DVM, veterinary technical services, Merial.

Van Dyke recommends incorporating a system of tracking the variables related to animals displaying signs of BRD, including, but not limited to, quick or labored breathing, gaunt appearance, nasal discharge, rough hair coat, dry muzzle and depression. Variables to track include age, weight, days of clinical signs, antibiotics used and results of laboratory testing.

“Laboratory testing is really important when it comes to identifying and then managing the pathogens on the property,” Van Dyke says. “Producers need to understand the problem in order to treat it effectively.”

Van Dyke suggests producers continuously monitor pathogens on their properties through testing and creating a base of historical information in the process. Based on test results, producers can determine the pathogens on their properties and develop a treatment protocol based on those pathogens.

Because BRD can take a toll on the health of animals quickly, a fast-acting antibiotic is a good choice. Besides tracking pathogens, recording information to identify trends and treating with an effective antibiotic, Van Dyke has these other suggestions to help avoid BRD:

• Implement an immunization program to help keep herds healthy, and protect against bacterial pneumonia caused by Mannheimia haemolytica and Pasteurella multocida.

• Vaccinate prior to stress-causing events, such as weaning or transport.

• Provide adequate housing and ventilation to help prevent the spread of disease.

• Supply proper hydration and nutrition.

• Feed an adequate amount of colostrum to calves within 12 hours of birth.

“All these measures combined should help producers minimize the potential losses that can come about as a result of BRD,” Van Dyke says.



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