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A survey on prevalence of Cryptosporidium spp. in pigs at 12 farms in 8 suburban districts and 1 county of Shanghai was conducted under Sheather's sucrose flotation protocol and modified acid-fast stain methods from 2006 to 2009. A total of 2323 faecal samples were collected and Cryptosporidium spp. oocysts were detected in 800 samples (34.4%). Cryptosporidium was found in all 12 pig farms. Significant...
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