$MOET$ (Multiple Ovulation Embryo Transfer) is a method for:

Hirsadale breed is developed by

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 type of breeding can all desired traits be obtained?

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

Which of the following methods can be used to obtain cows with high milk production?