Coarse spray application of a coccidia vaccine for correct oocyst ingestion

Proper oocyst distribution is a key point for the success of spray application of a coccidia vaccine. Generally speaking, a coccidia vaccine is a suspension of sporulated oocysts in a PBS solution. Because of this fact and because of the characteristics of the oocysts, there are some differences to a common viral freeze-dried vaccine that must be taken into account during the vaccination process.

There are several methods by which coccidia vaccines can be applied, but probably the most convenient, consistent, reliable and accurate way is via coarse spray in the hatchery. Spraying the vaccine directly on to the feed risks desiccating the oocysts and that is one of the few weak points of oocysts.

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