During necropsy of birds from a flock suspected of having highly pathogenic avian influenza (HPAI), finding no significant gross lesions is consistent with the disease.

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Prepare for the TEDA Emerging and Exotic Diseases of Animals Exam with our interactive quizzes. Challenge yourself with multiple choice questions and detailed explanations to enhance your learning and boost your confidence for the exam!

Multiple Choice

During necropsy of birds from a flock suspected of having highly pathogenic avian influenza (HPAI), finding no significant gross lesions is consistent with the disease.

Explanation:
Gross changes at necropsy are not reliably present in birds with highly pathogenic avian influenza. The disease can cause death with little or no obvious gross pathology, so lack of significant lesions does not rule out infection. Diagnosis relies on laboratory testing such as real-time RT-PCR or virus isolation from appropriate tissues or swabs, often supported by histopathology or immunohistochemistry. In other words, you can have HPAI even when necropsy looks largely normal, so the statement is true.

Gross changes at necropsy are not reliably present in birds with highly pathogenic avian influenza. The disease can cause death with little or no obvious gross pathology, so lack of significant lesions does not rule out infection. Diagnosis relies on laboratory testing such as real-time RT-PCR or virus isolation from appropriate tissues or swabs, often supported by histopathology or immunohistochemistry. In other words, you can have HPAI even when necropsy looks largely normal, so the statement is true.

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