Newcastle disease

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Across
  1. 4. Which farms need controlled access?
  2. 7. What happens to restrictions when the disease is under control?
  3. 8. What stops being laid?
  4. 9. Which system is affected?
Down
  1. 1. Which NDV pathogen causes the disease?
  2. 2. What body part discharges?
  3. 3. Which lesions are not pathognomonic?
  4. 5. What must be disposed of properly?
  5. 6. Which fluid is tested for the virus?