| 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 ... | 2015 | 26186985 |