Theory question 108
Animal Health(a) Name the causative agent of each of the following livestock diseases: (i) foot and mouth; (ii) rinderpest (iii) Newcastle.
(b) Name three animals that can be affected by each of the diseases listed in (a).
(c) State four symptoms of foot and mouth disease and three symptoms each for rinderpest and Newcastle diseases.
Show the model answer
(a) All three are caused by viruses: (i) foot-and-mouth disease virus (aphthovirus); (ii) rinderpest virus (morbillivirus); (iii) Newcastle disease virus (paramyxovirus)
(b)(i) Cattle, sheep, goats, pigs; (ii) cattle, sheep, goats, buffalo, pigs; (iii) chickens, turkeys, ducks, guinea fowl
(c) Foot and mouth: fever; blisters on mouth, tongue and between hooves; drooling of saliva; lameness; loss of appetite; drop in milk yield
Rinderpest: high fever; discharge from eyes and nose; mouth ulcers; bloody diarrhoea; dehydration
Newcastle: gasping/difficult breathing; twisted neck and paralysis; greenish diarrhoea; drop in egg production; sudden death
Remember all three are viral.