Manufacture and sale of modern breeding equipment

Animal numbers depend on many things; Including pasture areas, quality, type of animal, the purpose of its care or breeding, the level of civilization and the extent to which they use preferred breeds that respond to the purpose or purposes, whether meat or milk or both, and accordingly the material value of the animal.

But if this applies to specific animals that produce meat, milk, wool and leather; For in historical or contemporary groups, we find other functions.