At what cell stage are the fertilized eggs transferred to a surrogate mother?

Which type of breeding results in offspring that are directly used as hybrids?

Interspecific hybridization results in offspring that...

The Free Martin condition is found in:

What is the $MOET$ technique used for?

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?