An unidentified species of Theileria infective for cattle discovered in China

文献类型： 外文期刊

第一作者： Bai, Q

作者： Bai, Q;Liu, QY;Hen, GF

作者机构：

期刊名称：TROPICAL ANIMAL HEALTH AND PRODUCTION （ 影响因子：1.559； 五年影响因子：1.681 ）

ISSN： 0049-4747

年卷期： 1997 年 29 卷 4 期

页码：

收录情况： SCI

摘要： Infection experiments, morphological observations and transmission experiments were conducted with an unidentified Theileria sp. isolated from a naturally infected ox. The results showed that the protozoa could multipy extensively in a splenectomized ox and the parasitaemia could reach 52.69%. The Theileria sp. was polymorphic: being pear-shaped, circular, elliptical, rod-like, comma-shaped, three-leafed- or cross-shaped and having many other irregular-shapes which were seldom detected. In erythrocytes, the anaplasma-like protozoa grew, producing protoplasm which could extend and clump together, and developed into many polymorphic protozoa. Some of the protozoa propagated themselves by budding. The protozoa could not be transmitted by Haemaphysalis longicornis or Hyalomma detritum. The pathogenicity, vector ticks and life cycle of this protozoan are unknown.

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