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News and analysis on the global poultry
and animal feed industries.
Egg Production / Poultry Welfare
on May 5, 2014

Coccidiosis, a re-emerging issue for egg producers

Coccidiosis control programs more important as US egg producers increase number of cage-free, enriched colony housing systems

There are nine Eimeria species that affect chickens, and five of these are associated with coccidiosis: necatrix, tenella, brunetti, maxima, and acervulina. Coccidiosis vaccines provide layer pullets with a controlled dose of drug-susceptible strains of the five important Eimeria species, which allow the birds to…

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