He'll have to be neutered if his prostate is enlarged - it can end up being life threatening at a certain point if not addressed
I'll say that if Chum is in good health he should be fine in surgery. Tyson had surgery at 8 yrs & then again one month shy of 9 yrs old. I had the same fear and my vet now (bully experienced) said that if he's in overall good health, they shouldn't have any issues. They may take a smidge longer to get to moving vs a pup.... But that's about it. I'm happy to hear Chum is starting to put weight on the leg.
Also, Tyson did not change at all after his neuter. No change to disposition or personality.
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