Outbreeding is the breeding of unrelated animals usually done by outcrossing, cross breeding and interspecific hybridisation
a. Differentiate these three methods with brief descriptions.
b. Give examples for the last two methods.

Explanation

a. Out crossing: Mating of animals within the same breed, but having no common ancestors on either side of their pedigree upto 4-6 generation.
Crose breeding: Mating of superior males of one breed with superior females of another breed.
Interapecific hybridisation: Mating male and female animals of two different related species.
b. Cross breeding: Hisardale sheep developed by crossing Bikaneri ewes and Marino rams. ,br> Interspecific hybridisation: Mule by crossing horse and donkey.