Eimeria mitis infection. In layers, this species may affect egg production and induce a molt. The lack of distinct gross lesions causes this species to be overlooked or misdiagnosed in subclinical infections.
Infections with this intestinal species of coccidia is a major predisposing factor for Clostridium sp. infection. Colonization of small intestine by Eimeria sp. may lead to intestinal mucosal damage which may then, in turn, provide natural substrates (plasma proteins) required for Clostridium sp. proliferation.
- Causing Agents
- Protozoal Infection parasites. Eimera mitis. Intestinal coccidiosis
- Affected Systems/Organs
- Lower small intestine. Digestive Tract
- Ingestion of viable sporulated oocysts is the only natural method of transmission. Oocysts can be spread mechanically by many different animals, insects, contaminated equipment, wild birds and dust.
- Mainly Affects
- Egg production and Performance
- Adequate Pullet coccidial immunization program. Anticoccidial drugs. Good hygiene practices, vaccinations, coccidiostat in feed or water.
- Suggested Actions
- Can be managed with feed additives, off-the-shelf medications
- Can be managed with vaccination programs
- Diagnosis should be confirmed with rapid assays and/or a certified laboratory
- Veterinary intervention is recommended
Impact on Egg quality
Impact on Liveability
Impact on Production
Overall Economic Impact
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Mark Pattison, Paul F. McMullin, Janet M. Bradbury. Dennis J. Alexander. 2008. Poultry Diseases. 6th Edition.
Paul McMullin. 2004. A pocket Guide to Poultry Health and Disease. First Edition.
Steven Leeson, John D. Summers. 2008. Commercial Poultry Nutrition. Third Edition.
Donald D. Bell, Williams D. Weaver. 2009. Commercial Chicken Meat and Egg Production. Fifth Edition.