Eimeriosis in poultry

Question 1

Eimeria species in chicken

Answer 1

• Eimeria maxima - jejunum, beginning of ileum
• Eimeria acervulina - duodenum, rarely ileum
• Eimeria brunetti - ileum, rectum, cloaca
• Eimeria tenella - cecum
• Eimeria necatrix - jejunum, ileum, ceca
• Eimeria praecox - SI

Question 2

Eimeria species in ducks

Answer 2

Eimeria danilovi - SI
Eimeria truncata - kidney

Question 3

Eimeria species in turkey

Answer 3

Eimeria adenoides - colon
Eimeria meleagrimitis - SI
Eimeria gallopavonis - cecal pouches

Question 4

Clinical signs of eimeriosis in poultry

Answer 4

Grey feces, weight loss, thirst, depression, painful tweet, anaemia

Question 5

Pathology of chicken eimeriosis

Answer 5

Anaemia, blood clots in lumen, inflammation and thickened intestinal mucosa, oedema, atrophy of villi and massive haemorrhages.

Question 6

diagnosis of chicken eimeriosis

Answer 6

• Flotation method: sporulated or unsporulated oocysts.
• Necropsy of intestine.
• Histopathology.

Question 7

Treatment & control of chicken eimeriosis

Answer 7

• Anticoccidial agents: amprolium, sulphanomides, toltrazuril
• Antibiotics: tylosin, amoxicillin
• Supportive care: hydration, electrolyte solutions
• Environmental: cleaning and removal of feces, keep dry, rotate cages, separation, fresh water
• Vaccine: gel containing vaccine