Sorry, but we're very familiar with this problem.
They feed greyhounds rubbish when racing.
Slops that they evacuate quickly.
Our latest bill is £1,000
All the greyhounds we've adopted have had very loose faeces that took a long time to sort out.
Please make sure he's on a low protein food.
They feed them mush when racing.
Luckily no neutering problems
Good luck.
There is never a right time for you, but there is for your beloved pet.
Pain & quality of life & what 1moregrey has said.
We're on our 11th dog now & we loved them all dearly.