Our 7 month old male Jack Russell cross Foxy has had weak back legs since he was a puppy. His back feet have 6 toes and point outwards, in a position the vet described as similar to duck feet. He has never been able to jump up onto the couch etc. unlike his sister (who is in perfect health). We thought he was just a late bloomer, as he was the runt of the litter.
However, just in the last couple of weeks he has started limping, and he has seemingly not been putting his full weight on his back legs whilst walking and standing. He sits with his legs and hips to the side and never in a normal sitting position. He has minimal muscle tone in his back legs and looks quite thin. His front legs and chest are well built and muscular. He eats, barks and cuddles normally and has not displayed any sign of pain, but maybe he's just a brave little boy and is used to the feeling?
We are taking him to the vet, and would also love to know if anyone has knowledge of this problem.
Thanks so much.