Read the following statements (i-iii) and identify which of the following statements are incorrect regarding animal breeding?
i. It involves mating of animals followed by the selection of the superior offspring.
ii. Mating can be between animals of the same species or different species.
iii. The purpose of animal breeding is to obtain animals with increased yield but shorter productive life.
Animal breeding is an important aspect of animal husbandry.
It involves identifying and mating of superior males and females to ensure that the offspring produced have a combination of the superior traits of the parents. This is followed by the selection of offspring with superior genotypes by breeders.
Animal breeding is of the following types:
Inbreeding - This involves mating of closely related individuals of the same breed.
Out-breeding - It is of three types.
Out-crossing - This is the practice of mating animals within the same breed but having no common ancestors for 4-6 generations.
Cross-breeding - This involves mating superior males of one breed with superior females of another breed.
Interspecific hybridisation- In this method, male and female animals belonging to two different but related species are mated, for example, mating a male donkey and a female horse to produce a mule.
Animal breeding aims at: