Aviaire Flashcards
A flock from a turkey farm is presented with a mysterious illness. Several dead birds are notable, mostly younger animals.
Sick turkeys are listless, with drooping wings, unkempt feathers, yellow droppings. Sick older birds are emaciated.
Necropsy shows a yellowish green, caseous exudate in the ceca, cecal ulcerations and thickening of the cecal wall.
A typical liver looks like the image below.
What is the diagnosis?
A - Hemorrhagic enteritis of turkeys
B - Necrotic enteritis
C - Coronaviral enteritis of turkeys
D - Histomoniasis
E - Avian spirochetosis
D - Histomoniasis
A rescued Pekin duck is presented for non-weight bearing lameness of the left pelvic limb and fever.
Which one of the following choices is the most likely diagnosis?
A - Septic arthritis
B - Bumblefoot
C - Egg binding
D - Panosteitis
E - Normal radiographs
A - Septic arthritis
Half of the flock from a local broiler poultry farm has died in the last ten days. Examination shows chickens that are gasping and coughing, extending their necks to inhale.
Some have blood-stained beaks. There are no obvious neurologic signs. Necropsy finds hemorrhage in the airways, as shown below.
What is the most likely presumptive diagnosis?
A - Fowl pox, diphtheritic form
B - Infectious laryngotracheitis
C - Marek’s disease
D - Infectious coryza
E - Viscerotropic velogenic Newcastle disease
B - Infectious laryngotracheitis
