Mukta visits a dairy farm near her locality to buy milk for her household. While, waiting there for her turn, she noticed that one of the member of the farm was injecting something into the cow before milking. She was very curious and discussed her queries with her friend (a biology expert).
(i) What did the injection contain?
(ii) Why is this injection administered to the cow?
(iii) State any two methods of herd improvement.
(iv) What values are shown by Mukta?