Additional Opinion
For complex or long-standing medical conditions, obtaining an additional professional opinion can be invaluable. Dr Marvin Firth offers this service by drawing on his extensive experience as a veterinary surgeon and his credentials as an RCVS and American Specialist in Anatomic Pathology. His combined clinical and diagnostic insight provides a unique perspective when investigating challenging or unresolved cases in both equine and canine patients.
An additional opinion can help clarify difficult diagnoses, suggest alternative avenues for investigation, or confirm the best course of treatment or surgical intervention. Dr Firth’s approach is collaborative and evidence-based, often involving close communication with your primary veterinary surgeon to ensure a cohesive plan for your animal’s ongoing care.
This service is particularly valuable for:
- Chronic or recurring medical problems where progress has been limited
- Cases involving ambiguous diagnostic findings or inconclusive test results
- Patients with complex histories requiring multi-disciplinary input
- Situations where surgical or advanced diagnostic options need careful evaluation
Dr Marvin Firth provides thorough case reviews and can recommend targeted diagnostic testing, imaging, or specialist referral where appropriate. Clear written reports and summaries of findings can be provided for your referring clinician or insurer if required.
In addition to clinical consultations, Dr Firth acts as an Expert Witness in veterinary-related legal cases. His recognised specialist qualifications in pathology, alongside extensive practical experience, allow him to offer independent, objective, and scientifically grounded opinions for legal and professional proceedings.

