SD大鼠
來(lái)源：1925年,，美國(guó)斯?jié)娎鄹?。多?SpragueDawley)農(nóng)場(chǎng)用Wistar大鼠培育而成
毛色：白化
主要特性：
①頭部狹長(zhǎng),、尾長(zhǎng)接近于身長(zhǎng),，產(chǎn)仔多，生長(zhǎng)發(fā)育較Wistar為快,。10周齡時(shí)雄鼠體重可達(dá)300~400g,雌鼠達(dá)180~270g,。
②性情比Wisar大鼠稍為兇猛,。
③對(duì)疾病的抵抗力較強(qiáng),，尤其對(duì)呼吸道疾病的抵抗力很強(qiáng)。
④自發(fā)性腫瘤的發(fā)生率較低,。
⑤對(duì)性激素敏感性高,。 主要用途：常用做營(yíng)養(yǎng)學(xué)及內(nèi)分泌系統(tǒng)的研究。
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