OPP (Maedi-Visna) affects which animal species?

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Study for the ACVPM Infectious Diseases Exam. Prepare with flashcards and multiple choice questions, each question includes hints and explanations. Get ready for your exam!

Multiple Choice

OPP (Maedi-Visna) affects which animal species?

Explanation:
Maedi-Visna virus causes Ovine Progressive Pneumonia, and the term “ovine” specifically refers to sheep. This disease is classically a chronic infection of sheep, leading to progressive interstitial pneumonia and wasting in adults. Goats are hosts for a closely related lentivirus (caprine arthritis-encephalitis virus), but OPP/Maedi-Visna is predominantly a sheep disease. Pigs and cattle are not the typical hosts for this virus. So the correct animal is sheep.

Maedi-Visna virus causes Ovine Progressive Pneumonia, and the term “ovine” specifically refers to sheep. This disease is classically a chronic infection of sheep, leading to progressive interstitial pneumonia and wasting in adults. Goats are hosts for a closely related lentivirus (caprine arthritis-encephalitis virus), but OPP/Maedi-Visna is predominantly a sheep disease. Pigs and cattle are not the typical hosts for this virus. So the correct animal is sheep.

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