Q.92
Infectious sinusitis in turkeys is caused by
- Etiology of Infectious Sinusitis in Turkeys: Infectious sinusitis in domestic turkeys is caused specifically by Mycoplasma gallisepticum (MG).
- Pathological Features: Characterized clinically by unilateral or bilateral massive, fluctuant swelling of the infraorbital sinuses filled with gelatinous, mucoid-to-caseous inflammatory exudate, alongside severe conjunctivitis, nasal discharge, and airsacculitis ('swollen head' appearance).
- Differential Poultry Pathogens:
- Pasteurella multocida: Causes fowl cholera (edema of wattles, septicemia).
- Chlamydia psittaci: Causes avian chlamydiosis with polyserositis and splenomegaly.
- Escherichia coli: Secondary colibacillosis.
Correct option: (3) Mycoplasma gallisepticum
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