What is the recommended weight range for male breeders during the production cycle?

The weight of male breeders should be monitored at least once a week during the first 30 weeks of age and then every two weeks.
The weight of male breeders should be kept as close as possible to the standard weight.
A larger male breeder can be used in floor operations as long as the muscle of the breast is not too large, which can create stability and fertility problems.
a) Only statement I is correct.
b) Statements I and II are correct.
c) Statements II and III are correct.
d) All statements are correct.