Ranikhet disease is found in

Which of the following points is $NOT$ associated with the management of the dairy industry?

Which of the following is an exotic breed of cattle?

Which of the following is a beast of burden?

$A$ cow which gives more milk per lactation is evolved into a pure line by mating with a superior bull of the same breed for $4-6$ generations. Which type of breeding is being referred to in this case?

Which of the following statements are the main objectives of animal breeding?
$I$. Improved growth rate
$II$. Increased production of milk,meat,egg,wool,etc.
$III$. Superior quality of milk,meat,eggs,wool,etc.
$IV$. Improved resistance to various diseases
Choose the correct option.