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Restraint of Zoo Animals
Transcript of Restraint of Zoo Animals
Problems During Restraint
IDENTIFY PROBLEMS THAT MAY OCCUR DURING RESTRAINT
Think about the following animals
• Boa Constrictor
• Ring-tailed lemur
May be minor
May cause psychological changes that are life threatening
Stress should be minimised once the animal has been captured – HOW?
Blindfolding may reduce stress
Noise should be minimal
Any procedures should be carried out quickly
Restraint of recently transported animals should be avoided – WHY?
Amount of stress varies depending on:
Life history (e.g. hand-reared vs parent reared)
Length of time handled
Expertise of the handler
Interaction with other
stimuli (e.g. blindfolding reduces stimulus therefore stress is reduced)
Monitoring During Restraint
Temperature should be monitored
Eyes – monitored and shielded from direct sunlight
Blink reflex can be decreased by anaesthetic resulting in dry corneas
Respiration is a critical parameter and easily monitored
Examining mucous membranes is a simple way to evaluate respiratory and cardiac systems
Animals should be positioned to ensure respiration is not compromised
e.g. Lateral recumbency (head elevated above rumen with nose pointed down) in ruminants to minimise chance of regurgitation
How do you think zoos administer this form of restraint?
Anasthetic - is a drug that causes anesthesia, which is a reversible loss of sensation. These drugs are generally administered to facilitate surgery.
Sedative - or tranquilliser is a substance that induces sedation by reducing irritability or excitement.
HAND HELD SYRINGE
REMOTE INJECTION (DARTING)
ADVANTAGES OF CHEMICAL RESTRAINT
Reduces the risk of:
Injury to the animal and handler
Heat stress due to physical exertion
Health status may not be known prior
Injury during induction or recovery
Physical injury from dart when using remote injection
Danger from conspecifics due to change in behaviour
Inappropriate drug choice
Human safety related to drugs
Emergency procedures may be compromised in large species
Looking at the options for physical restraint - For what animal and how would you use each one?
• Boa Constrictor
• Ring-tailed lemur
Use of Firearms
Needed wherever there are hazardous animals whose escape or uncontrolled movement would represent a high risk
All must be licensed
Consult with police to ensure procedures are up to date
Must be readily available but kept in a secure place
Only authorised personnel have control of them
Firearms/dart guns must be:
Firearm testing/examination should be recorded
What should be recorded and why?
Dosage of anaesthetic or sedating agents
Weight of the animal and monitor for correct dosage
Any problems encountered for next time
Animal’s behaviour during restraint
Species/individual behaviour that might affect the procedure
Photos/videos may be used to evaluate procedure or used for training inexperienced staff
Procedures and techniques can be shared between zoos as some may have more experience with particular species
CAN YOU THINK OF AN ALTERNATIVE THAT MAY REDUCE THE NEED FOR PHYSICAL AND CHEMICAL RESTRAINT?