VetPrep Q3

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3

A farmer arrives with a dead 5 week old chicken and many of his chickens have been doing poorly. Clinical signs include watery diarrhea, incoordination, prostration, and vent picking. Necropsy on the dead chick reveals a swollen cloacal bursa that is edematous and yellow with hemorrhage. There is also congestion and hemorrhage of the pectoral, thigh, and leg muscles. What is the most likely diagnosis? Marek's disease Salmonella Avian influenza Infectious bursal disease Please select an option Incorrect. The correct answer is infectious bursal disease, also sometimes called gumboro disease. This disease is caused by a birna virus and is most readily isolated from the bursa of fabricius. It is highly contagious and difficult to eliminate from the environment. Subclinical infections commonly occur in chicks less than 3 weeks of age and are of most economic significance. In clinical infection, the signs and necropsy findings are as described. There is no effective treatment, but a vaccine is available. Incorrect. The correct answer is infectious bursal disease, also sometimes called gumboro disease. This disease is caused by a birna virus and is most readily isolated from the bursa of fabricius. It is highly contagious and difficult to eliminate from the environment. Subclinical infections commonly occur in chicks less than 3 weeks of age and are of most economic significance. In clinical infection, the signs and necropsy findings are as described. There is no effective treatment, but a vaccine is available. Incorrect. The correct answer is infectious bursal disease, also sometimes called gumboro disease. This disease is caused by a birna virus and is most readily isolated from the bursa of fabricius. It is highly contagious and difficult to eliminate from the environment. Subclinical infections commonly occur in chicks less than 3 weeks of age and are of most economic significance. In clinical infection, the signs and necropsy findings are as described. There is no effective treatment, but a vaccine is available. Correct! The correct answer is infectious bursal disease, also sometimes called gumboro disease. This disease is caused by a birna virus and is most readily isolated from the bursa of fabricius. It is highly contagious and difficult to eliminate from the environment. Subclinical infections commonly occur in chicks less than 3 weeks of age and are of most economic significance. In clinical infection, the signs and necropsy findings are as described. There is no effective treatment, but a vaccine is available.