What is the primary objective of animal breeding?

Animal breeding is producing improved breeds of ...$A$.. by improving their ...$B$... through selective mating. Here $A$ and $B$ refer to:

$A$ - Inbreeding is necessary to produce pure homozygous lines.
$R$ - Due to this,superior genes are accumulated.

Which of the following is correct to check the inbreeding depression?

The 'Pashmina' breed, which provides the most valuable wool in the world, is a type of:

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.