Coccidiosis

A protozoal disease caused by several genera, of which Eimeria species are the most economically important, affecting poultry species.

Clinical signs

8

Bird species

6

Protozoal disease

Clinical Signs

General Systemic Signs

Pyrexia Depression Inappetence Dehydration Specific Weight loss Specific Anemia

Digestive System

Diarrhea Required Hemorrhagic diarrhea Specific

Postmortem Findings

Carcass dehydration

Generalized congestion of visceral organs

Hemorrhagic enteritis and mucosal thickening

Diagnosis

Clinical examination

Careful history and physical examination focusing on the presenting syndrome.

Laboratory testing

Hematology, biochemistry, and serology to support the clinical suspicion.

Microbiological culture

Isolation and identification of the causative agent where applicable.

Molecular diagnostics (PCR)

Nucleic-acid based detection for rapid and specific confirmation.

Treatment

Supportive care

Fluid therapy, nutritional support, and rest.

Antipyretic therapy

Non-steroidal anti-inflammatory drugs to control pyrexia and inflammation.

Antiprotozoal therapy

Specific anticoccidial or antiparasitic agents according to the causative agent.

Prevention & Control

Biosecurity

Strict disinfection, quarantine of new arrivals, and controlled access.

Herd health monitoring

Early detection and isolation of clinically affected animals.

Classification

Etiology Protozoal disease
Transmissibility contagious
Infectiousness infectious
Occurrence Patterns

endemic

Disease Courses

acute, subacute

Affected species

Cattle Primary host Susceptibility: susceptible
Sheep Primary host Susceptibility: susceptible
Goat Primary host Susceptibility: susceptible
Poultry Primary host Susceptibility: susceptible
Calf Primary host Susceptibility: susceptible
Chicken Primary host Susceptibility: high

Associated Microorganisms

Eimeria Cause Eimeria tenella Cause Eimeria necatrix Cause

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