| cryptosporidium xiaoi n. sp. (apicomplexa: cryptosporidiidae) in sheep (ovis aries). | a new species, cryptosporidium xiaoi, is described from sheep. oocysts of c. xiaoi, previously identified as the cryptosporidium bovis-like genotype or as c. bovis from sheep in spain, tunisia, united kingdom, and the united states are recorded as such in genbank (eu408314-eu408317, eu327318-eu327320, ef362478, ef514234, dq991389, and ef158461). oocysts obtained from naturally infected sheep were infectious for a lamb and oocysts from that lamb were infectious for three other lambs. the prepaten ... | 2009 | 19501967 |