Swine Enzootic Pneumonia: Mycoplasma Hyopneumoniae
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Questions and Answers

Which of the following is the most accurate description of the onset of Enzootic Pneumonia in pigs?

  • Rapid, with all animals in the herd affected within a week
  • Gradual, affecting a few animals at first and slowly spreading (correct)
  • Sudden, affecting many animals at once
  • Unpredictable, with no clear pattern of spread
  • What is the most common characteristic of the lung lesions observed in Enzootic Pneumonia?

  • Lesions are more severe in the left lung than the right
  • Lesions are more severe in the right lung than the left (correct)
  • Lesions are evenly distributed throughout both lungs
  • Lesions are primarily found in the upper lobes of the lungs
  • Which of the following is the most effective treatment for eliminating Enzootic Pneumonia in pigs?

  • Intranasal vaccination with an attenuated MH vaccine
  • There is no effective treatment to eliminate the disease (correct)
  • Doxycycline administered in the feed
  • Vaccination with a killed Mycoplasma hyopneumoniae (MH) vaccine
  • Which of the following is the most effective method for controlling and preventing Enzootic Pneumonia in a pig herd?

    <p>Implementing an all-in/all-out pig flow system</p> Signup and view all the answers

    Which of the following is the most accurate description of the clinical signs of Enzootic Pneumonia in pigs?

    <p>Coughing that becomes less obvious with increasing age</p> Signup and view all the answers

    Which of the following is the most accurate diagnostic method for Enzootic Pneumonia in pigs?

    <p>Tracheal bronchial swabbing and RT-PCR</p> Signup and view all the answers

    What is the major manifestation of Swine Enzootic Pneumonia?

    <p>Crackling, hacking cough</p> Signup and view all the answers

    Which of the following mycoplasmas can complicate Swine Enzootic Pneumonia by coexisting with Mycoplasma Hyopneumoniae in the upper respiratory tract of pigs?

    <p>Mycoplasma Hyorhinis</p> Signup and view all the answers

    What role do macrophages play after Mycoplasma Hyopneumoniae infection?

    <p>Impaired phagocytic activity</p> Signup and view all the answers

    What type of bacterial infection can result in toxemic bronchopneumonia in Swine Enzootic Pneumonia?

    <p>Pasteurella spp.</p> Signup and view all the answers

    Which lung lobes commonly show lesions in pigs affected by Swine Enzootic Pneumonia?

    <p>Right cranial and middle lobes, left cranial, middle, and diaphragmatic lobes</p> Signup and view all the answers

    What is the typical course of the epidemic form of Swine Enzootic Pneumonia within a herd?

    <p>~3 months</p> Signup and view all the answers

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