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Tips for Using Clostridial Vaccines

For disease that often doesn’t allow time for treatment, vaccination provides means of protection.

Clostridial vaccines, also commonly referred to as “seven-way” or “eight-way” vaccines, are primarily administered to calves to prevent blackleg, malignant edema and redwater. All of these diseases can cause rapid death of affected cattle.

During a Cattlemen’s College® session at the 2018 Cattle Industry Convention in Phoenix, Ariz., Victor Cortese offered tips to ensure efficacy of clostridial vaccinations in cattle. Cortese is a veterinarian and director of cattle and equine immunology for Zoetis.

He suggested vaccinating the pregnant cow is ideal, so the newborn calf can gain early protection via colostrum. Ideally, Cortese advised, administer a clostridial vaccine 4-11 weeks prior to calving to allow the cow to respond to the vaccine and the protection to be passed through her colostrum.

“Six to nine weeks prior to calving is the optimum time, and that coincides with administration of other scours vaccines,” he pointed out.

Because clostridial spores are always present in the soil, Cortese suggested minimizing overgrazing can help prevent cattle from picking up the spores into their system. Additionally, because the clostridial organisms are commonly picked up in grazing, the ideal time to vaccinate or booster calves and cows is typically in late spring or early summer.

Cortese noted that clostridial vaccinations almost always cause a small knot or lesion on the animal’s neck. To help minimize this, vaccinations should be given subcutaneously. Newer, less-reactive vaccines are available, and might be preferred for show cattle, he shared.

Additionally, Cortese said proper handling of the vaccine can help decrease injection-site lesions and maximize protection. This includes:


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Editor’s Note: Kindra Gordon is a freelance writer and cattlewoman from Whitewood, S.D. This article was written as part of Angus Media’s coverage of the 2018 Cattle Industry Convention and is copyrighted. See additional coverage distributed through Angus Media channels including the Angus Journal, Angus Beef Bulletin, Angus Beef Bulletin EXTRA, The Angus Report and online at www.angus.org.



 

 

 

 

 

 





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