Viral Diseases of Cattle: Foot & Mouth Disease (FMD)
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Questions and Answers

Which animals are susceptible to Foot and Mouth Disease (FMD)?

  • Cattle, chickens, ducks, and turkeys
  • Cattle, pigs, sheep, goats, and buffalo (correct)
  • Cattle, rabbits, guinea pigs, and hamsters
  • Cattle, dogs, cats, and horses

How long can the carrier state persist in cattle, sheep, and goats after FMD infection?

  • Up to 5 years
  • Up to 1 year
  • Up to 6 months
  • Up to 2 years (correct)

Where is Foot and Mouth Disease (FMD) endemic?

  • Australia and New Zealand
  • Parts of Asia, Africa, the Middle East, and South America (correct)
  • North America and Europe
  • Antarctica

Which family does the FMD virus belong to?

<p>Picornaviridae (D)</p> Signup and view all the answers

What is the survival duration of FMD virus in organic matter under moist and cool temperatures?

<p>Days to weeks (D)</p> Signup and view all the answers

What is the process that leads to the acidification of muscles after slaughtering?

<p>Breakdown of glycogen into lactic acid (D)</p> Signup and view all the answers

What is the ultimate pH of the longissimus dorsi muscle in well-fed, unstressed Ox?

<p>5.5 (D)</p> Signup and view all the answers

What happens to muscle proteins as a result of pH reduction after slaughter?

<p>Reduction in their water holding capacity (WHC) (B)</p> Signup and view all the answers

What is the significance of the exudation of fluids from muscle fibers when meat is cut?

<p>It leads to moistness on the cut surface (D)</p> Signup and view all the answers

What is the maximum concentration of lactic acid during rigor mortis compared to normal levels?

<p>10 times higher (C)</p> Signup and view all the answers

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