(a) Define the term animal improvement. (b) (i) Explain the term introduction as used in animal improvement. (ii) State three advantages and three disadvant...

(a) Define the term animal improvement.
(b) (i) Explain the term introduction as used in animal improvement. (ii) State three advantages and three disadvantages of introduction as a method of animal improvement
(c)(i) Define the term progeny selection (ii) State five desirable characteristics that could be used in selecting animals used for improvement.
(d) State three advantages of artificial insemination.