What test is used for detection of canine parvovirus in feces?

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Study for the Clinical Approach to Common Infections Test. Prepare using flashcards and multiple-choice questions, all with hints and explanations. Ace your exam!

Multiple Choice

What test is used for detection of canine parvovirus in feces?

Explanation:
Detecting canine parvovirus in feces is about identifying the virus itself directly in the stool. A fecal antigen ELISA is designed for this purpose: it uses antibodies that specifically bind CPV particles shed in the feces and produces a quick, easy-to-read signal. This makes it the practical choice for acute diagnosis at the point of care since you’re detecting the virus rather than the animal’s immune response. Other methods exist but have drawbacks for fecal detection. PCR can find viral DNA with high sensitivity, but it often requires lab processing and may take longer to get results. Culture isn’t used for CPV diagnosis in routine practice because the virus is difficult to grow. Serology detects antibodies in the blood and doesn’t reflect an active infection in the gut, plus it can be confounded by vaccination or maternal antibodies. So, the fecal antigen ELISA is the test of choice for detecting canine parvovirus in feces.

Detecting canine parvovirus in feces is about identifying the virus itself directly in the stool. A fecal antigen ELISA is designed for this purpose: it uses antibodies that specifically bind CPV particles shed in the feces and produces a quick, easy-to-read signal. This makes it the practical choice for acute diagnosis at the point of care since you’re detecting the virus rather than the animal’s immune response.

Other methods exist but have drawbacks for fecal detection. PCR can find viral DNA with high sensitivity, but it often requires lab processing and may take longer to get results. Culture isn’t used for CPV diagnosis in routine practice because the virus is difficult to grow. Serology detects antibodies in the blood and doesn’t reflect an active infection in the gut, plus it can be confounded by vaccination or maternal antibodies.

So, the fecal antigen ELISA is the test of choice for detecting canine parvovirus in feces.

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