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Animals in Research

Baby rhesus getting mini marshmallow treat

Environmental enrichment is an important part of caring for research animals. Research animals are provided with several types of enrichment to stimulate species-typical behaviors. These juvenile rhesus macaques are enjoying mini marshmallow treats. Interactions with their caregiver give them social and intellectual stimulation, while strengthening their bonds with each other.…

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Animals in Research

Mom and baby rhesus on hammock

A rhesus macaque mom climbs into a hammock with her infant at the Wisconsin National Primate Research Center. Females reach puberty at around age three, while males are sexually mature by age four. Gestation is five and a half months, with one infant born at a time and often a year or…

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Species Entry

Rhesus macaque

Rhesus macaque monkeys are an important animal model due to their anatomical and physiological similarities to humans. Many benefits to human health would not have been possible without these special animals, including the development of life-saving vaccines such as polio, smallpox, and rabies. Effective treatments for HIV/AIDS have been created because of research…

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Animals in Research

Trainer and Rhesus Macaque Colony

This is the Oregon National Primate Research Center Nonhuman Primate Training Specialist.  She is training a monkey, Finch, in a group to take medication, which allows him to stay in his colony, instead of being removed to the hospital. Avoiding such removals helps to reduce not only the stress to…

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Animals in Research

Positive Reinforcement Training for Blood Draw

Garcia is participating in positive reinforcement training (PRT), also known as clicker training. PRT is a type of training in which animals get rewards for performing desired behaviors. Using PRT, monkeys like Garcia voluntarily cooperate with procedures necessary for husbandry and research protocols. Such procedures include entering a transfer box…

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Animals in Research

Touchscreen Research Method

The Oregon National Primate Research Center is currently evaluating various forms of research methods to improve traditional cognitive testing. This Rhesus macaque is using a touchscreen to determine his cognitive ability as part of a neuroscience research project. He is being shown a video of other monkeys, in place of…

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Animals in Research

Monkey Enrichment for Indoor Housing

Monkeys are given enrichment such as toys, swings, climbing structures and other items to increase their behavioral diversity. Many of these objects are rotated on a regular basis, to keep them novel.  This indoor enclosure for the monkeys at Oregon National Primate Research Center provides many opportunities that encourage natural…

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Animals in Research

Outdoor Climbing and Wheel

Nonhuman primates, like these Rhesus macaques, are naturally curious. They spend a great deal of time foraging and investigating novel objects in their natural habitats. Environmental enrichment provides a way to simulate a natural environment for monkeys that are needed for research.  This increases opportunities for the expression of species-typical…

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Animals in Research

Taking a Dip in the Pool

Monkeys at the Oregon National Primate Research Center are provided with many types of environmental enrichment to simulate a natural environment.  In the summer the monkeys have access to pools and other forms of water enrichment.  Here you can see them enjoying a refreshing dip in their pool.

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