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prevalence and molecular characterization of cryptosporidium spp. and giardia duodenalis in dairy cattle in beijing, china.822 fecal samples from cattle in six areas of beijing were examined with microscopy for cryptosporidium oocysts and giardia cysts. the overall infection rates for cryptosporidium spp. and giardia duodenalis were 2.55% and 1.09%, respectively. cryptosporidium was only detected in calves and heifers, whereas g. duodenalis was found in all age groups. cryptosporidium spp. were characterized with a pcr-restriction fragment length polymorphism analysis and dna sequence analysis of the small subunit ( ...201626921041
occurrence and molecular identification of cryptosporidium spp. in dairy calves in xinjiang, northwestern china.a total of 514 fecal samples were collected from dairy calves on 15 farms in the xinjiang uyghur autonomous region in northwestern china and were screened for cryptosporidium spp. by pcr. the overall prevalence of cryptosporidium was 16.0% (82/514), and the infection rate was 15.6% (37/237) and 16.2% (45/277) in pre- and post-weaned calves, respectively. pcr-restriction fragment length polymorphism (rflp) and dna sequence analyses of 82 positive fecal samples revealed the presence of four crypto ...201526186985
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