AVIAN MALARIA

Causative Agent: Plasmodium gallinarum

Transmission: thru the bites of Aedes and Culex mosquites.

Incubation Period: 2 or 3 days.

Morbidity: 2% to 5%

Mortality: Less than 5%
Age Group Affected: young birds are most susceptible.

Signs:
1. Fever.
2. Greenish diarhea
3. Anemia
4. Progressive emaciation
5. Paralysis of birds may occur.
6. Ataxia and incoordination.

Gross Lesions:
1. Spleen - enlarged, discolored (blackish grey)
2. Kidney - enlarged and pallor of the organ.
3. Muscles / skin - pale petecchial hemorrhages in breast and legs.
4. Liver - enlarged and slate-grey.
5. Duodenum - presence of serosal ecchymotic hemorrhages.

Diagnosis:
Direct Smear
- Gimsa stain
- Recognition of protozoa from blood smear films.

Differential Diagnosis:
1. Clostridial Enteritis.
2. Leucocytozoonosis.

Prevention:
Application of preventive doses of anti-malarial drug.

Control:
Destroy breeding places of mosquities.

Recommended Supportive Medication:
1. Chloroquin - 5 mg./kg. body weight
2. Pyrrimethamine - 0.3 mg./kg/
3. Sulphadiazine - 100 mg./kg.
4. Bromoquanidine - 15mg./kg.
5. Vitamin K

An emaciated bird showing paleness
of the breast muscles.
Note the hemorrhage on
both thigh muscles.
 Ecchymotic hemorrhages in the duodenum,
ileum and jejunum.








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