In this study, the purified and concentrated oocysts were isolated from the faecal samples by density gradient centrifugation.
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- 本研究以不同密度的蔗糖溶液为介质,按比例配制两种密度的分离液,对采自广东省的奶牛粪便进行分离纯化,得到了较纯净的牛源环孢子虫卵囊;