2014 WAEC Animal Husbandry Theory (a) Define the term animal improvement.   (b) Explain briefly the following terms as used in animal…

Explanation

(a)  Definition of animal improvement:

 It refers to means/techiques of developing/breeding/producing animals of better traits/characters over the existing ones /parents              

OR
It is a means/technique of introduction/selection/breeding of animals with better/outstanding traits/character/genes/allele over the existing ones
                                                                                   
(b)  Explanation of the terms;

Cross breeding;

• It is the mating of proven quality animals from
• different breeds but the same species e.g. Muturu  x White Fulani.
• It leads to production of heterosis/hybrid vigour      

Out breeding;

• It is the mating of unrelated animals of the same breed
• It recovers certain traits that may have been lost due to other breeding methods.
• New traits are introduced in the offspring/young ones

(d)       Completion of the table