Page 319 - Primary Six Notes

Viral Diseases

These are diseases caused viruses. Most viral diseases are:

Rinder pest

It is a highly infectious disease caused by virus. It attacks the

membranes of the alimentary canal and can kill large number

of animals.

Signs and symptoms

 High fever

 Severe dullness and loss of appetite

 Serious diarrhoea with blood stained cow dung.

 The muzzles, nose and muscle become hot with fast breath-
ing.

 Rapid dehydration resulting in emaciation with sunken eyes.

Foot and Mouth Disease

This is an acute contagious disease of ruminants such as cattle,

sheep, goats etc. It attacks the membranes of mouth and coro-

net.

Signs and symptoms

 Fever, dullness and loss of appetite for pasture

 Serious salivation in the mouth

 Lameness due to wounds on the cornet

 Painful blisters around the mouth, udder and between the
hooves