Discuss each of rinderpest and Newcastle diseases under the following headings (i0 host organism (2 marks) (ii) Casual organsim (2 marks) (iii) Mode of tran...
Question 1 Report
Discuss each of rinderpest and Newcastle diseases under the following headings (i0 host organism (2 marks) (ii) Casual organsim (2 marks) (iii) Mode of transmission (4 marks) (iv) Symptoms (4 marks) (v) Control (4 marks)
Answer Details
Rinderpest and Newcastle disease
| Heading | Rinderpest | Newcastle disease |
|---|---|---|
| (i) Host organism | Cattle (and other ruminants such as sheep and goats) | Poultry (fowls, especially chickens and turkeys) |
| (ii) Causal organism | A virus (rinderpest virus) | A virus (Newcastle disease virus) |
| (iii) Mode of transmission | Direct contact with infected animals; through contaminated feed, water, saliva, faeces, urine and nasal/eye discharges | Direct contact with infected birds; through contaminated feed, water, droppings, air-borne droplets, equipment and handlers |
| (iv) Symptoms | High fever, loss of appetite, watery discharge from eyes and nose, ulcers in the mouth, severe (blood-stained) diarrhoea, dehydration, emaciation and death | Difficult breathing, gasping and coughing, greenish watery diarrhoea, twisting of the neck (torticollis), paralysis of legs and wings, drop in egg production and death |
| (v) Control | Vaccination of healthy stock, quarantine of new/infected animals, slaughter of infected animals, good hygiene and sanitation | Vaccination of birds, isolation of sick birds, proper sanitation and disinfection, and destruction/burial of dead birds |
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