A Laboratory Animal Facility (LAF) Veterinarian provides comprehensive—and in many cases mandatory—guidance to researchers to ensure animal welfare, scientific integrity, and regulatory compliance. Veterinary advice is grounded in the principles of the 3Rs (Replacement, Reduction, and Refinement) and focuses on humane animal care and technically sound practices throughout the study lifecycle.
Key Types of Veterinary Advice
1. Project Design and Protocol Refinement
- Scientific and Humane Endpoints: Advising on clearly defined humane endpoints at which animals must be removed from a study or humanely euthanised to prevent unnecessary pain or distress.
- Protocol Review: Reviewing animal use protocols to identify potential welfare concerns and recommending refinements (e.g. alternative methods or less invasive techniques) prior to submission to the Animal Ethics Committee (AEC).
- Species and Strain Selection: Advising on the selection of appropriate species and strains that best meet scientific objectives while minimising animal burden.
2. Anaesthesia, Analgesia, and Surgery
- Surgical Best Practices: Providing guidance on aseptic technique, surgical preparation, and post‑operative care in accordance with institutional standards.
- Anaesthetic and Analgesic Regimens: Recommending suitable anaesthetics, sedatives, and analgesics appropriate to the species, procedure, and study design.
- Monitoring Plans: Developing peri‑operative and post‑operative monitoring strategies to detect and manage pain, distress, or complications.
3. Animal Husbandry and Facility Management
- Environmental Enrichment: Advising on enrichment strategies that support species‑specific behaviours, reduce stress, and enhance animal welfare.
- Housing and Nutrition: Recommending appropriate housing conditions, social grouping, and nutrition based on species‑specific and study‑specific requirements.
- Acclimatisation: Advising on suitable acclimatisation periods for newly arrived animals to ensure physiological and behavioural stability prior to experimental use.
4. Health Monitoring and Animal Welfare Oversight
- Preventive Veterinary Care: Establishing programmes for health surveillance, quarantine, and preventative care in line with facility biosecurity requirements.
- Pain and Distress Recognition: Training personnel to recognise species‑specific indicators of pain, distress, or illness (e.g. behavioural changes, posture, facial expression).
- Emergency and After‑Hours Care: Establishing procedures for veterinary care outside normal working hours, including weekends and public holidays.
5. Humane Euthanasia
- Acceptable Methods: Advising on humane euthanasia methods consistent with internationally recognised guidelines and institutional policies.
- Training in Technique: Providing instruction on euthanasia techniques that minimise pain and distress and ensure rapid loss of consciousness.
6. Regulatory and Technical Guidance
- Compliance Advice: Advising researchers on compliance with Hong Kong legislation, institutional policies, and ethical requirements governing the use of animals for scientific purposes.
- Use of Hazardous Agents: Working with institutional safety units to ensure the safe and appropriate use of biological, chemical, or radiological agents in animals.
- Humane Handling and Restraint: Providing practical training in safe, species‑appropriate, and humane animal handling techniques.
7. Ethical Animal Use and Continuous Welfare Review
- Refinement of Procedures: Advising on refinements to experimental procedures to minimise cumulative animal pain, distress, or discomfort throughout the study.
- Study Lifecycle Oversight: Supporting investigators in ethical decision‑making from study initiation through completion, including end‑of‑study considerations such as rehabilitation, rehoming (where applicable), or euthanasia.
- Ongoing Welfare Assessment: Promoting continuous evaluation of animal welfare and timely intervention when welfare concerns arise.
For veterinary consultation or enquiries related to the above, please contact:
Dr. Dawn Ngai (dawnngai@ust.hk)