I usually keep eyes and ears open when I hear them rough-housing. My two boys are major league ruffians sometimes. Baxter is about 3 lbs bigger than Snickers, but Snickers is the dominant one. They wrestle, joust with their mouths, and Baxter will throw his weight at Snickers. When it looks out of hand, I separate them. Baxter is getting used to hearing "Easy", so now he backs off a little.
The best advice is to trust your instincts. If it looks like it's getting too rough, put a stop to it. Don't wait for one of them to get hurt.
__________________  Snickers & Baxter Until one has loved an animal, part of their soul remains unawakened. |