Give scientific reasons: Inbreeding is necessary to obtain a pure line.

Mating among close relations is referred to as:

What is the full form of $MOET$?

$A$ superior female,in the case of cattle,is the $A$ that produces more milk per lactation. On the other hand,a superior $B$ is that $C$ which gives rise to $D$ as compared to those of other males. Here $A$ and $D$ refer to:

Which cattle breed is known for high milk production?

Read the given statements about outcrossing:
$I$. It is the breeding between animals within the same breed that do not have common ancestors on either side of their pedigree up to $4-6$ generations.
$II$. It is done to increase milk production and growth rate in below-average animals.
Which of the statements given above is correct?