Question

Define the following terms as used in livestock breeding (2mks)

1. Hybrid Vigour (Heterosis)
2. Epistasis
3. Outbreeding
4. Close breeding

Answer 1

1. This refers to increased vigour and performance resulting from crossing two unrelated superior breeds.
2. This is the combination of genes which could have otherwise been inferior or undesirable
3. Mating of animals which are not related
4. Breeding of very closely related animals