(i) Control breeding diseases/parasites;
(ii) Controls breeding;
(iii) quicker method of obtaining a proven bull;
(iv) easy and cheap to transport semen to far areas;
(v) Semen from a superior bull can be used to serve many cows;
(vi)Farmers who cannot afford to buy a superior bull can access the service at a low cost;
(vii) Bulls that cannot serve naturally due to physical injuries/defects can be utilized;
(viii) Prevents injuries to cows by heavy bulls;
(ix)Danger of injury/damage by aggressive bulls is eliminated;
(x) Semen can be stored for a long period even after death of the bull;
(xi)Saves the cost of rearing a bull;
(xii) Controls inbreeding;
(xiii) Useful research tool.
Mohaissack answered the question on October 10, 2017 at 11:03