To me, it looks like a callous and not a sore hock, but I'm a bit new to the world of rabbits myself. I'd say if it has had any redness or bleeding/scabbing recently it's a hock issue and that if it's not inflamed that it's a callous from maybe a previous issue. I'm sure there will be someone...
Hello, so as above... I have a doe that is about 4 years old and the breeder wanted to change colors and she was too "fatty" to breed any longer (being new to rabbits I did not know this meant ovaries/etc so I looked at her and said she's not fat, she insisted she was). She's very healthy (more...