Authorities have killed several lab monkeys that escaped from an overturned truck in Mississippi. The rhesus macaques were initially thought to be diseased and dangerous, but that's not necessarily ...

The 43 rhesus macaque monkeys that escaped a South Carolina medical lab this week are among the most studied animals on the planet. And for more than a century, they have held a mirror to humanity, ...

The psychological well-being of laboratory primates is enhanced when they are allowed to voluntarily participate in their own care through a process called positive reinforcement training (PRT).

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Pacing behaviour, the most frequent stereotypic behaviour displayed by laboratory rhesus macaques (Macaca mulatta) is often used as an indicator of stress. In this study, we investigated how reliable ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The 43 rhesus macaque monkeys that escaped a ...