dominance?

Hello! I just signed up for this forum. I'm in need of some assistance with my new guinea pigs! I have just adopted two sows from someone who was moving. I'm the oldest of six, and my family has wanted some new pets for a while now. We picked them up, both of them in separate cages, and...

So just as a quick disclaimer i am aware that boars can be grouchy and that dominance plays a big part in this! I know who is the dominant pig and who is the submissive but i was just wondering if anyone else finds this! Also i apologise in advance for the novel i am about to write! So my boys...

This afternoon, my male guinea pig (nutmeg) was in the run with his friend (smudge), halfway in to his tunnel. All of a sudden smudge tried to join him in the tunnel! Nutmeg proceeded to turn on to his back, and smudge lay on top of him. We separated them to prevent suffocation. Is this normal...