The type of pig is the breed. There are several recognized breeds of pigs in the world, each with its own characteristics and needs.
i think summer.
Obviously you need another to breed so put up posters asking for what you need. Maybe put an add in your local paper.
You can't breed it if there is not another animal for it to breed with.
You can't ... you must have a boy and a girl. So ... buy another, borrow one from a friend, rent one. Your choice.