It depends what for, we use Kenwyn for general horse stuff, sheep and pigs. If i had a major horse problem i would probably go to Penmellyn. I have had vettings done by Rosemullion and have been happy with those. Don't name names on here but you can pm me if you want.
I have been with Penmellyn for the last 25 years for all my animals..If i needed a vet i would ask for either Ruth or Hannes.The practice my not be the cheapest but the service is second to none.