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GCE Agricultural Science 1990 Question 47

Question 47

Animal Health

The parts of the body affected by Newcastle disease of poultry are the

  1. A.digestive and circulatory systems
  2. B.reproductive and excretory tracts
  3. C.nervous system and respiratory tract
  4. D.air-sac and the comb
  5. E.comb and the legs.
Show the answer and explanation

Answer: C (nervous system and respiratory tract)

Explanation

Newcastle disease causes breathing problems and nervous signs such as twisted necks and paralysis.