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Jul 24, 2008

Use of tranquilisers to moderate aggression

Use of tranquilisers to moderate aggression from Bristol Zoo Gardens

A useful case study to solve difficult integrations

Integrating animals into socially complex groups can often be difficult and prolonged. Normal methods are not always successful.

This is a new drug regime, never before reported in non-human primates that worked to moderate the aggression of a very nervous adult male being introduced to two females. He had a history of attaching and severely injuring females. After 8 days of mixing with no reduction in the aggressive behaviour of the male it was decided to moderate his behaviour with the use of drugs.

Success was achieved with modern anti-psychotic drugs used in human medicine for overly aggressive individuals. Regime was designed to reduce both nervousness and aggressiveness. It proved very successful and after a time the medication was stopped and the male’s behaviour has remained within normal boundaries.

His appetite and body condition are excellent and he has formed a strong bond with both females, resulting in pregnancies and births. Paper published in European Association of Zoo and Wildlife Veterinarians.

Developed by:  Bristol Zoo Gardens

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