Polo game is played with the help of 

The cows are given the injection of which hormone to yield more milk ?

The closest pets of a civilized man are  

The yellow-coloured milk produced by the cow, soon after the birth of a calf, is called

The first domesticated animal, by the primitive man, was

Which of the following is a beast of burden ?

Which is the closest pet of human being ?

The best milch breed in the world is

Lactation in sterile cow is induced by 

The yellow-coloured milk produced by the cow, soon after the birth of a calf, is called