Gce Model Questions Vol1 2018 Agricultural Science Question 9

Practice essay / theory question 9 from the 2018 Gce Model Questions Vol1 Agricultural Science examination. This question covers Animal Diseases, Disease identification, Pathogenesis, Control measures, Economic impact .

Gce Model Questions Vol1 2018 Agricultural Science Essay / Theory
Topics: Animal Diseases Disease identification Pathogenesis Control measures Economic impact
Question 9 GCE_MODEL_QUESTIONS_VOL1 • 2018 • AGRICULTURAL_SCIENCE • essay

A commercial broiler farm with a flock of 2,000 birds has recently experienced an outbreak of disease. The affected birds show sudden onset of respiratory distress, swollen wattles, and a high mortality rate within 48 hours. Mortality has reached about 30 % of the flock. The farmer reports that the birds were vaccinated against Newcastle disease but not against any other disease. No recent changes in feed or housing have been noted.

Question Parts

( a )
Identify the most likely disease causing the outbreak and justify your choice based on the clinical signs and vaccination history.
( b )
Explain the pathogenesis of the identified disease in poultry, describing how the organism enters the host, spreads, and produces the observed clinical signs.
( c )
Propose an integrated control strategy for this outbreak, covering immediate, medium‑term and long‑term measures.
( d )
Estimate the direct monetary loss from the mortality reported and discuss two non‑monetary impacts of the outbreak on the farm.

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About This Question

This is Gce Model Questions Vol1 2018 Agricultural Science Question 9. It is one of the essay questions from the 2018 Gce Model Questions Vol1 Agricultural Science examination.

The question covers Animal Diseases, Disease identification, Pathogenesis, Control measures, Economic impact .

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