Laboratory rat. Sprague-Dawley rat (Rattus norvegicus) being weighed. This variety of rat is commonly used for animal experiments and has a life span

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Laboratory rat. Sprague-Dawley rat (Rattus norvegicus) being weighed. This variety of rat is commonly used for animal experiments and has a life span of up to 3 years.

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Size: 4064px × 2704px
Photo credit: © MAURO FERMARIELLO/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: animal, biological, biology, cage, caged, fauna, foundation, lab, laboratory, nature, norvegicus, ramazzini, rat, rattus, single, sprague-dawley, standing, weighing, wildlife, zoological, zoology