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Media type:
E-Article
Title:
Identification of a NovelCryptosporidiumGenotype in Pigs
Contributor:
Ryan, U. M.;
Samarasinghe, B.;
Read, C.;
Buddle, J. R.;
Robertson, I. D.;
Thompson, R. C. A.
Published:
American Society for Microbiology, 2003
Published in:
Applied and Environmental Microbiology, 69 (2003) 7, Seite 3970-3974
Language:
English
DOI:
10.1128/aem.69.7.3970-3974.2003
ISSN:
0099-2240;
1098-5336
Origination:
Footnote:
Description:
ABSTRACTOver a 3-year period, a total of 646 fecal samples from pigs in 22 indoor and outdoor herds from Western Australia were screened forCryptosporidiumspp. by microscopy. Results revealed that 39 of 646 samples (6.03%) were positive forCryptosporidium. Cryptosporidiumwas much more common in outdoor herds (17.2%) than in indoor herds (0.5%) and was more common in animals between the ages of 5 and 8 weeks (69.2%) than in younger animals (P< 0.0001). Molecular characterization of the positive samples at the 18S ribosomal DNA locus identified two distinct genotypes ofCryptosporidium: the previously identified pig genotype I and a novel pig genotype (pig genotype II), both of which warrant species status.