Managing wildlife translocations Flashcards
What is disease risk analysis?
- A formal assessment of risks inherent to wildlife transloction
- Reasoned, logical, referenced and evidenced
- Qualitative or quantitative
What are the steps to conducting a disease risk analysis?
- Identify hazards
- Assess risk of dx
- Consider mitigating options
- Report
Describe identification of hazards?
= based on mapping the translocation pathway
A: Source (collection area)
B: Destination (release area)
What different hazards are there?
- Source hazards
- Destination hazards
- Carrier hazards
- Population hazards
- Transport hazard
Source hazards?
parasites present in source population but novel to destination popilation
Destination hazards?
parasites present at the destination but novel to translocated animals
Carrier hazards?
non pathogenic commensal parasites that become a problem when animals are stressed
Population hazards?
parasites present at the destination not novel to the translated aniamsl but still have the potential to have deleterious effects
Types of translocation pathways?
- Wild -to wild translcoation from one area to a similar location
- Wild-to-wild translocation from one area to a dissimilar location
- Zoological captive collection to a wild location
- Private captive breeding collection to a wild location
What is the ZSL method for assessing risk of dx ?
➢ Hazard justification = why is this hazard important?
➢ Release assessment = how might this hazard occur at the source?
➢ Exposure assessment = how might this hazard occur at the destination?
➢ Consequence assessment = what are the consequences of this hazard?
➢ Risk estimation = overall risk (low, medium or high)
What principles of Disease risk management?
✓ Consider recommending a quarantine period
✓ Veterinary health checks
✓ Identification with a microchip
✓ Faecal screening
✓ Treatments if required
✓ Consider biosecurity measures
✓ Consider husbandry protocols
✓ Consider transportation methods
✓ Consider how to reduce stress
✓ Advising personnel on good practice
What does post-release monitoring involve in the field?
- Population monitoring
- Vet health checks on translocated animals and sympatric species
- Samples and swabs to monitor for dx
What post-release health surveillance in PME?
- Collect quantitative and qualitative info
- Distinguish ante-mortem from post-mortem change
- Distinguish normal from abnormal
What post-release surveillance in the LAb?
- Investigate dx processes in individuals
- Screen for infectious and non-infectious agents
- Review data to identify trends and emerging threats
