hind legs collapse

Hi Guys, I am a new user for this forum and this is going to be my first thread. I have a 5 weeks old Rhodesian Ridgeback puppy and he is having an issue with his hind legs. He is a happy puppy and he can run well. Even-though he walks and runs as a normal puppy he is having issues when he tries...

Over the last month, our redbone coonhound (almost 9 yrs. old) has had a sudden and progressive weakening of her hind end. She is a healthy dog (beside the ear and skin issues that are apparently common with the breed) and is 65 pounds. About 4 weeks ago we noticed that she was a little...