Swine Vesicular Diseases Quiz

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Questions and Answers

Which of the following is a characteristic of the skin lesions caused by Swine Pox Virus?

The lesions are non-vesicular and do not form crusts.
The lesions progress from maculae to papulae to vesicles to pustules, followed by crusting and scarring. (correct)
The lesions are accompanied by a high fever and loss of appetite.
The lesions are primarily found on the feet and teats.

What is the primary complication associated with the rupture of vesicles in the feet or teats of pigs infected with Swine Pox Virus?

Secondary bacterial infection causing prolonged healing (correct)
Appearance of pale, flat, round spots on the skin
Sloughing of the claws (thimbling)
Fever and loss of appetite

Which of the following is a characteristic lesion seen in young pigs infected with Swine Pox Virus?

Separation of the horn from the coronary band during the acute inflammatory stage
Pale, flat, round spots that progress to papules and vesicles
Soft, flaccid white or grayish stripes (tiger heart) and spots in the left ventricle and interventricular septum (correct)
Severe lesions in the coronary band leading to claw shedding

Which of the following is a key difference between Swine Pox Virus and Swine Vesicular Disease (SVD)?

Swine Pox Virus causes lesions that progress through maculae, papulae, vesicles, and pustules, while SVD causes only vesicular lesions. (C) Signup and view all the answers

What is the primary reason why the horn may not be shed in pigs infected with Swine Pox Virus?

Severe lesions in the coronary band lead to separation of the horn during the acute inflammatory stage. (C) Signup and view all the answers

Which of the following is a key similarity between Seneca Valley Virus (SVV) and Swine Vesicular Disease (SVD)?

Both cause vesicular lesions on the skin. (A) Signup and view all the answers

What is the main difference between the skin lesions caused by Swine Pox Virus and Vesicular Exanthema of Swine (VE)?

Swine Pox Virus causes vesicular lesions, while VE causes pustular lesions. (B) Signup and view all the answers

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Study Notes

Swine Vesicular Disease (SVD) is characterized by clinical signs such as fever, loss of appetite, vesicles in the mouth and feet, lameness, foot licking, and a dog-sitting posture.
Mortality in SVD is low in adults but may be high in young piglets due to acute myocarditis. Secondary infections in vesicular lesions can lead to chronic lameness, wasting, and mortality.
Diagnosis of SVD involves isolating the virus from porcine kidney cells, PCR testing, antigen detection, antibody testing, and histopathological examination.
Treatment for SVD involves no specific treatment, with a focus on managing symptoms and preventing secondary bacterial infections.
Swine Pox Virus primarily affects piglets and young pigs, causing pustular skin lesions that evolve from maculae to papulae, vesicles, pustules, and eventually crusts.

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