
Sprague-Dawley rat
The Sprague-Dawley rat is a common laboratory breed used in scientific research. Originating in the 1920s, these rats are known for their calm demeanor, adaptability, and size, making them ideal for a variety of studies, including drug development, behavioral analysis, and genetic research. They typically have a white coat with red or pink eyes. Due to their consistent genetic background, Sprague-Dawley rats provide reliable and reproducible results, making them valuable models in biomedical and pharmaceutical research. Their widespread use helps scientists better understand diseases and test new treatments.