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 It does not need a farmer to look for qualified persons

 It is easy for a bull in inseminate.

Disadvantages of natural insemination

 It encourages inbreeding

 Small cows can be injured by big bulls

 It can lead to a wide spread of venereal diseases

Systems of natural insemination

1. Hand mating.

This is the system where a bull is kept separately from cows so
the mating couple are selected by the farmer.

2. Pasture mating.

This is the keeping of bulls together with cows so that the bull

can easily identify cows on heat.

Artificial insemination

It is a method where a skilled person uses a syringe to deposit

semen from a selected bull into the vagina of a cow .

Advantages

 It controls venereal diseases

 It controls inbreeding

 It controls injuries in small cows by big bulls

 It is cheaper than keeping a bull

 It improves on the quality of animals

 Semen from a dead bull can be used