Brian Freking, SE District Extension Livestock Specialist — Studies from the University of Arkansas1, the University of Nevada2, and the University of Idaho3 have indicated that veterinary vaccine product efficacy is at risk due to improper handling and storage. Most animal vaccines require maintenance at refrigeration temperatures of 35-45℉. Yet these studies showed that anywhere from 25% to 76% of refrigerators used for vaccine storage in the livestock industry failed to maintain these temperatures. In addition, other improper handling and storage procedures, including exposing vaccine to ultraviolet light from the sun or to temperature extremes and using improper injection techniques,…

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