It's about weighing up reaching full growth (testosterone) and having certain breeds avoid too much anxiety (testosterone) against the marginal added complication of doing the surgery on 'older' dogs.
We were going to go with 12 months as Maurice is quite an anxious breed, this then became 18 months due to some other issues (clashing with vaccinations and surgery for a split ear).
Wish we hadn't bothered at all, but he's a rescue so we were contractually obliged.
It's about weighing up reaching full growth (testosterone) and having certain breeds avoid too much anxiety (testosterone) against the marginal added complication of doing the surgery on 'older' dogs.
We were going to go with 12 months as Maurice is quite an anxious breed, this then became 18 months due to some other issues (clashing with vaccinations and surgery for a split ear).
Wish we hadn't bothered at all, but he's a rescue so we were contractually obliged.