Mating of animals of different breeds known as

Answer: Option B

Mating animals of different breeds are known as Crossbreeding.
Crossbreeding refers to the science of mating animals derived from different breeds or breed compositions. Although many beef producers choose to breed only purebreds, crossbreeding can result in significant advantages to beef producers.
A crossbred animal has several advantages over a purebred, especially in traits important to commercial cattlemen: increased fertility, longevity, feed efficiency and disease resistance due to the phenomenon of hybrid vigour (heterosis).