When does the possibility of accumulation of harmful recessive genes increase?

The process in which semen is collected from the male that is chosen as a parent and injected into the reproductive tract of the selected female by the breeder is known as

The $IVRI$ (Indian Veterinary Research Institute) is associated with which of the following?

Cross breeding:
$I$. Refers to the cross of a superior male of one breed with a superior female of another breed.
$II$. It helps to accumulate the desirable genes of the two breeds into a progeny.
$III$. The progeny may be used for commercial production.
Which of the statements given above are correct?

In which method of animal breeding is the resulting progeny sterile?

Which of the following is helpful in exposing harmful recessive genes?