检查市售牛肉，人肉孢子虫包囊的阳性率为42.9％，显然藏族同胞感染肉孢子虫与生食或半生食牛肉、猪肉有关。
Sarcocystis was detected in 42.9% of beef specimens from the market. Obviously, sarcocystis infection in Tibetans is usually caused by eating raw or undercooked beef or pork.
研究冷冻保存猪肉对其内的肉孢子虫包囊的超微结构的影响，探讨能否用冷冻保存肉样以待对肉孢子虫的进一步鉴定。
To study the ultrastructure of the sarcocyst from pigs, and the influence of preserving pork samples by freezing on the sarcocyst ultrastructure.
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