The society gives out a demand that makes reasoning for the breeding to take place. Afterwards if a new breed is created or in the making everyone voices their opinion's about it. Market research...
Society are able to get products they want. Eventually selective breeding could mean that we can get so much of a certain product that it becomes cheaper.
it is useful to humans because if they are looking into raising a foal, to grow up to be a great race horse they would want the parents to be healthy and quite fit. Also if they wanted to raise it to...