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A restraining system for rhesus monkeys used in space research
G Florence1, L Riondet, H Malecki
1Institut de Médecine Aérospatiale, Centre d'Etudes et de Recherches de Médecine Aérospatiale, Brétigny sur Orge, France.
Journal of Medical Primatology
|February 1, 1995
Summary
A novel chronic restraint system was developed for male rhesus monkeys in weightlessness. This system allows for natural behaviors like feeding, grooming, and sleeping, improving animal welfare during space research.
Area of Science:
- Primate research
- Space biology
- Animal welfare in research
Background:
- Scientific research in weightlessness requires specialized housing for non-human primates.
- Existing restraint systems may impede natural behaviors and compromise animal welfare.
- Male rhesus monkeys (8-13 kg) are commonly used in spaceflight studies.
Purpose of the Study:
- To design and evaluate a new chronic restraining system for male rhesus monkeys in weightlessness.
- To ensure the system facilitates essential natural behaviors.
- To improve the welfare of macaques during long-term space research.
Main Methods:
- Development of a two-part restraining system: a coat (jacket and skirt) and a chair.
- The system design separates the thorax from the lower body.
- Evaluation of the system's impact on macaque behavior (feeding, grooming, sleeping).
Main Results:
- The new system effectively restrains male rhesus monkeys (8-13 kg) in weightlessness.
- It allows significant movement of the upper body.
- Monkeys could perform natural behaviors including feeding, grooming, and sleeping in a near-normal position.
Conclusions:
- The developed chronic restraining system is suitable for male rhesus monkeys in weightlessness.
- It supports essential natural behaviors, indicating improved animal welfare.
- This system advances the capability for long-term primate research in space environments.