(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)
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
Farm animal Name of mature female Gestation period (days)
Sheep Ewe 140-150
Pig Sow 113-115
Rabbit Doe 28-32
