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Cross-breeding
Mating of animals from two different pure breeds.
Out-Crossing
Mating of unrelated animals from the same breed.
Upgrading/Grading up
Mating where the female of a cow grade stock (locals) is mated with a pure breed sire.
The resultant animal is referred to as a high grade.
Kavungya answered the question on April 25, 2019 at 13:12
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