Causative agents
- Ascaridia galli


Differential diagnosis
- Coccidiosis


1. History taking
- Use of built up litter (which fosters the propagation
  of intermediate host)


2. Clinical examination
- Retarded growth, emaciation, anemia
- Unthriftiness, inactivity, depressed appetite
- Mechanical obstruction of the intestine


3. Fecal examination
- Flotation method
- Detection of egg
- Occasionally adult worms found in feces


4. Necropsy
- Detection of adult worms in the small intestine
- Inflammation and hemorrhage in the small intestine
- In severe infections, intestinal blockage with
  worms
- Occasional hemorrhagic enteritis in young chicken

5. Histopathological observation
- Detection of larva in mucous membrane of small
  intestine


Control and treatment
- Good sanitation and breakage the life cycle of the
  worm
- Improvement of sanitary practices and application
  of approved insecticides to soil and litter
- Avoidance of exposure of young chicken to
  infested adults and contaminated soil
- Mass chemotherapy by mebendazole or
  thiabendazole