molecular characterization of cryptosporidium from animal sources in qinghai province of china.the presence of cryptosporidium oocysts in 20 zoo animals of the xining zoo, 16 farm yaks and 42 farm goats in qinghai province, china was investigated by an immunofluorescence test (ift). the species and/or genotypes were determined by nested polymerase chain reaction (pcr) and sequence analysis of a fragment of the small subunit (ssu) rrna gene. cryptosporidium oocysts were found in 16 zoo animals, 2 yaks, and 15 goats by ift. the ift positive samples were further investigated by pcr, and 16 o ...200717701218
prevalence and genetic characterization of cryptosporidium in yaks in qinghai province of china.the objective of this study was to determine the prevalence, species and subtypes of cryptosporidium infecting yaks in the qinghai province of northwestern china. the prevalence of cryptosporidium spp. was detected by microscopy and nested-pcr. a total of 586 fecal samples were collected from yaks in 6 counties, of which 142 (24.2%) samples tested positive for cryptosporidium. the small subunit (ssu) rrna gene of fifty-five samples were amplified and sequenced successfully and demonstrated that ...201324086416
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