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Internal parasites:

 Worms that affect the stomach and intestine.

 Flukes that damages the liver.

External parasites:

 Lives on the skin and causes skin related infections and diseases.

 Communicable diseases that are infectious are caused bacteria and viruses.

 Non-communicable diseases that are non-infectious are caused due to

deficiency of required nutrients or malfunctioning of body organs.

 Vaccinations are given to cattle at regular intervals to ensure protection against

major viral and bacterial attacks.

Symptoms of sick animals:
 The animal becomes inactive and remains isolated.

 It stops eating food.

 It moves slowly or limps.
 The animal may pass loose dung and coloured urine.

 The animal may run temperature and shiver.
 The milk yield or working capacity of animal is reduced drastically.

Prevention of cattle diseases:
 The animal should be kept in spacious, cleaned and airy shelter.

 The animal should be given nutritious feed.

 They should be vaccinated at regular intervals.
 Proper disposal of wastes and isolation of sick animals is very important.

Poultry Farming

 Poultry is the rearing of domesticated fowl (chicken), ducks, geese, turkey and
some varieties of pigeon for their meat and eggs.

 The specialized meat-producing poultry birds are called broilers while egg-laying
poultry birds are called layers.

 The tremendous rise in the availability of poultry products is called Silver

Revolution.