Answer: Selective Breeding
Explanation:
The process of selective breeding can be defined as the process by which the a combination of two parental characters are used to produce a child with the desired characters.
This can be a hybrid of two parental characters. Here, a Brahman cattle is resistant to high temperature but has poor and tough to eat meat.
English shorthorn cattle has soft and good meat but is not resistant to heat. These two cattle were selected to breed and produce a offspring having the desired character.
The cattle produced has good and soft meat and is heat resistant. This is an example of selective breeding.