Artificial selection to obtain cows yielding higher milk output represents

Artifical selection to obtain cows yielding higher milk output represents :

The fat obtained from cow.s milk ____

Which of the following is given to cow to yield milk ?

Which of the following is given to cow to yield milk ?

Which among the following exotic cow breed yield best milk ?

Which of the following is given to cow to yield milk?

Assertion (A) : In Indian dairy farms , the owners prefer to have buffaloes than the cows . Reason (R) : Buffaloes yield more milk than the cows and their milk contains more fats .