My almost 5 month old border collie is obsessed with eating poop, he's not that interested in his own but eats anything else's (dog, cat, fox, rabbit, horse). I live with 3 other dogs and a cat so everytime I let him out to the toilet he starts desperately searching for poop to eat, once he finds it he gulps it down so fast that even if I grab him it's too late. He does the same on walks which means I don't want to let him off the lead.
Is this normal? Is it a stage he'll grow out of? Is there anything I can do?
Yesterday I went outside and instead of picking up the poop I sprayed