Ah, I understand the breeding now - thanks.
Sorry to hear about his brother. That's a constant worry of mine too. I was doing a paid ferreting job a couple of days ago near a road. Not much traffic on it, but the cars that do drive it tend to be going pretty fast. I was checking out the boundary hedge, which was thick hawthorn and blackthorn with sheep netting tight against it on my side. About 40 yards from the road my terrier marked a rabbit in the hedge. Before I could get her on the lead she'd dived through the sheep netting and pushed a rabbit out. I saw it come clear of the hedge and