Since there is no difference between Jews and anyone else, there is no way a dog can tell the difference, so cannot be trained to hunt Jews. Dogs can be trained only to hunt individuals as directed by human beings, so it is the human being that are hunting Jews (or who they think are Jews).
dogs that aren't trained well
It really depends on what kind of dog it is, also how it's trained. You can train dogs to hunt, but they will not do it automatically.
People today, often train hunting dogs for FUN and hunt for FUN! Sadly they do not need the food but do so for TROPHIES hanging on their walls. But don't blame the dog, he is just being loyal to what his owner has trained him. :(
Yes, certain dog breeds such as Rhodesian Ridgebacks and Boerboels were historically used for hunting lions in Africa. These dogs were bred for their strength, agility, and courage to assist in tracking and cornering lions for hunters. However, lion hunting with dogs is controversial and illegal in many places today.
if they are trained to do so or they have learned by them selfs most dogs still retain there instincts of wolves many small dogs have no relation to wolves though if you train a group of dogs the process will continue through offspring same way as wolfs do
The Sight Hound group tend to be used for hunting game, and they might have a greater tendency to chase after things in general.
hunt rabbits
Beagles can be trained to hunt anything but are generally trained to hunt rabbits and hare, particularly for "Beagling", an organized sport, governed by the National Beagle Club.
begels like to hunt
No, At least I am pretty sure, humans train them but they dont hunt them, they are trained to hunt for us.
Pits can't really be "trained" they are used almost exclusively as catch dogs in case of hogs but pitbulls will hunt smaller animals. Pits have better olfatory than the smelling breeds and have better stanima than hunting breeds. An adult pitbull will smell and run after an animal and will hunt it with no training on your part. If the pitbull is well trained, you can command him not to catch that animal or go ahead if is ok.
they are trained to hunt for food and work for their family