Answer 1

No, but fire types with the ability, "Flame Body" make hatching eggs faster, so if you want to slow it down, remove them.

Option 2: Put the Egg in the PC - it wont hatch there.

It takes about 6000 steps to hatch one, so you have plenty of time to organise things.

Answer 2

Nope,there is no move that slows down the egg hatching speed. Look at this if you need help

http://bulbapedia.bulbagarden.net/wiki/Pok%C3%A9mon_breeding