Low Cost Spay and Neuter programs for dogs and cats in the orange county. Propetfix is leading veterinary clinics providing the highest standards of veterinary care. It is located in the Orange County. Dr. Heidi Strand has worked in the animal welfare field for most of her veterinary career. The Clinic is open from Monday to Friday from 7am to 6pm and from Saturday from 7am to 4pm. Surgery and grooming are done by appointment only.