I don't have a huge amount of experience with the breed so I'm hoping that before I tell them no some of you could advise me please.
Background, DH and I own and live on a ranch in extremely remote South America. My parents have decided that they want to come out and live with us. We live in the main ranch house with our toddler DS, our housekeeper and her six year old daughter. The hands, foreman and their families all have houses (which we own) dotted around the main house, walking distance but not too close. We are renovating and extending one of the vacant houses for my parents, it's about half a mile away from the main house.
We have three giant breed, extremely protective and extremely dog aggressive rescue dogs (two Caucasian Ovcharkas and one Fila Brasiliero). They protect us and guard the ranch (lots of predators, including human ones where we live) and they are our adored family pets. We now have one other dog on the ranch, an orphaned stray pup taken in by one of the hand's children. We fenced off an acre of garden for them, and the rules are that the dog has to be leashed at all times when outside this area and that it is never allowed in the main house or our formal garden (DS' play area). My dogs have been taught to tolerate the dog on its leash on this basis.
My parents want to adopt a rescue dog from their local shelter in the UK before moving abroad, so we thought we could so the same with them, fenced acre, on leash at all other times, not in the main house or garden. This is apparently horrendously unfair to them and their dog (but that's a side issue).
They want to get either a staffy or a labrador, preferably a staffy. My question is, if they found one with the right temperament, would a staffy be capable of being very submissive and meek around my dogs, or would it try and play and be boisterous? My parents have said that what if their dog just got off the leash sometimes
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The only way my dogs would tolerate another dog is if it is grovelling and meek around them, or if it stays away from them, DH, DS and I completely, hence why I thought a rescue dog from our country would be a better bet as they tend to be better at that.
Any advice on the breed and temperament would be much appreciated, sorry for the long post, didn't want to drop feed.