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Established in 1925 by Robert Dawley, the original Sprague Dawley rat colony was obtained by Harlan in 1980 through the acquisition of Sprague-Dawley, Inc. Harlan became Envigo in 2015, then Envigo was acquired by Inotiv in 2021. The Hsd:Sprague Dawley® SD® rat has a wide array of historical research use including in the field of cardiology.

Sprague-Dawley大鼠 ( Sprague-Dawley rats，SD rats)是生物医学研究中最常使用的实验动物之一。 SD大鼠来历： 在1925年前后，威斯康辛州大学（University of Wisconsin）Dawley（Robert Worthington Dawley）先生采用一个未知品系的头巾（hooded）雄性大鼠与Douredoure品系雌性大鼠（可能属于 Wistar大鼠）杂交，然后再将该雄性大鼠与雌性的子代交配，连续7代。 将这样构建的大鼠，以本人的姓（Dawley）与其夫人的姓（Sprague）组合命名，即Sprague-Dawley …

Opportunist Free (OF) SD rats are useful as health sentinels, clean fosters or where co-housed with immunodeficient/genetically modified models. The Sprague Dawley® outbred model was developed by Sprague Dawley, Inc. NIH received stock from Sprague Dawley, Inc in 1945. The rats are maintained as an outbred closed colony.

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SD大鼠为大鼠（rat；rattus norvegicus）的一个品系，1925年，美国斯泼累格·多雷（Sprague Dawley）农场用Wistar大鼠培育而成。 其毛色白化，主要特性为①头部狭长、尾长接近于身长，产仔多，生长发育较Wistar为快。

Taconic’s proven process ensures timed-pregnant rats bear litters within a 24-hour window of your desired gestational age. The Sprague Dawley® outbred model was developed in 1925 by R. Dawley, Sprague Dawley Company, Madison, Wisconsin.

The SPRAGUE DAWLEY® rat aka SD, is an albino outbred rat with an elongated head and a tail that is longer than its body. A fast growing rat, it is docile and easy to handle. Main application and research fields

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2024年4月13日 · Sprague Dawley ® rats are crucial for scientific research, being one of the most extensively studied domesticated rodent strains. These rats, easily bred in captivity, possess a wide range of genetic variability that results in large litters suitable for laboratory research.