Equine & Livestock

Fall/Winter 2021 Equine & Livestock Solutions

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6 Covetrus | ph: 855.724.3461 | fx: 888.329.3861 | northamerica.covetrus.com Your vet has knowledge of which manufacturers produce vaccines with the least likelihood of adverse reactions. Extending horses' lives through better immunization Even with excellent injection technique and proper handling of vaccines, transient side effects—muscle soreness, fever, malaise, or an uncommon post-injection abscess— can occur. Transient adverse reactions are usually a consequence of a horse's immune response to an antigen (protein) or from reaction to the adjuvant (carrier agent) in individual vaccines; some vaccine products cause more reactions than others. Adverse post-vaccination signs usually resolve within 48-72 hours. Use of the purest vaccine products results in fewer than 2% of horses showing any side effects. Your vet has knowledge of which manufacturers produce vaccines with the least likelihood of adverse reactions. If your horse develops a minor adverse reaction following immunization, advise your vet in advance of the next booster. She or he might select another product made by a different manufacturer and/or the horse might be pre-medicated with NSAIDs (phenylbutazone or flunixin) prior to immunization. Safe techniques used by your vet for administering vaccines ensure the least risk to your horse and help protect you from being injured by a horse that objects to a needle.

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