I think a Doberman would suit you well, but only if you buy from a very serious hobby and show fancier who breeds carefully for health. Von Willdebrands is a gene and there is a test for it, so serious breeders will have bred it out of their lines. There can be thyroid issues, but again, serious breeder pour over pedigrees to breed away from it.
You actually want a dog with high prey drive. Those are the ones with a work ethic and those are the ones who protect. You must teach them that the chickens are family members and that they are not to touch and then they extend the circle of protection to include the poultry. I've had owned nothing but dogs with high prey drive and a few minutes when they are pups to explain that poultry is mine and I've never had a dog chase birds. I've owned 50 German Shepherds, a doberman, 4 breeds of sight hound, Papillons, spaniel gun dogs, and now have an Australian Shepherd. All have extreme prey drive and none of them will so much as look at the poultry.
If you don't mind long ears and have the money for shipping, a Doberman won't cost you any more in Britain and you might get a better dog. Show breeder there breed more to teh standard and don't deviate from teh standard in order to win. Judges are mostly specialists and judge to the fine points of the standard, not to flash.
You actually want a dog with high prey drive. Those are the ones with a work ethic and those are the ones who protect. You must teach them that the chickens are family members and that they are not to touch and then they extend the circle of protection to include the poultry. I've had owned nothing but dogs with high prey drive and a few minutes when they are pups to explain that poultry is mine and I've never had a dog chase birds. I've owned 50 German Shepherds, a doberman, 4 breeds of sight hound, Papillons, spaniel gun dogs, and now have an Australian Shepherd. All have extreme prey drive and none of them will so much as look at the poultry.
If you don't mind long ears and have the money for shipping, a Doberman won't cost you any more in Britain and you might get a better dog. Show breeder there breed more to teh standard and don't deviate from teh standard in order to win. Judges are mostly specialists and judge to the fine points of the standard, not to flash.