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IS THERE ANY MERIT TO USING AN AUTOGENOUS VACCINE FOR VARIANT SPECIES OF EIMERIA?

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IS THERE ANY MERIT TO USING AN AUTOGENOUS VACCINE FOR VARIANT SPECIES OF EIMERIA?

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A. Autogenous vaccines are derived from uncharacterized Eimeria field species. These poorly defined species are not subjected to the same rigorous testing as the licensed, defined species of Coccivac. To develop a safe, consistent vaccine, it is imperative that the basic species characteristics such as pathogenicity, antigenicity and anticoccidial drug sensitivity are well defined. Using a poorly defined vaccine highly increases the risk of rapidly spreading unwanted contaminates from a few selected farms to all company farms, which could be an overnight disaster and a very expensive problem to control later; it also decreases the chances of maximizing production performance due to inconsistent product manufacturing from serial to serial. Q.

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