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Necrotic enteritis in cage-reared commercial layer pullets.

C T Broussard, C L Hofacre, R K Page

|July 1, 1986

Summary

Necrotic enteritis in broiler chickens, caused by Clostridium perfringens and Eimeria maxima, led to increased mortality. Treatment with bacitracin and amprolium successfully reduced flock mortality.

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Area of Science:

Avian pathology
Poultry health
Veterinary microbiology

Background:

Necrotic enteritis is a significant enteric disease in poultry.
Increased mortality in a large commercial flock prompted an investigation.

Observation:

Necropsy revealed enlarged, gas-filled intestines with a characteristic "dirty Turkish towel" mucosal appearance.
Intestinal scrapings identified Eimeria maxima, despite the birds being raised in cages.

Findings:

Histopathology confirmed necrotic enteritis.
Clostridium perfringens was isolated from the intestines.
Co-infection with Eimeria maxima was noted.

Implications:

This case highlights the potential for necrotic enteritis and coccidiosis co-infection in commercial broiler flocks.
The study demonstrates the efficacy of bacitracin and amprolium in controlling mortality associated with this condition.

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