Journal article
Prevalence of and management factors contributing to Cryptosporidium sp. infection in pre-weaned and post-weaned calves in Johor, Malaysia
Experimental Parasitology, Vol.127(2), pp.534-538
2011
Abstract
A cross-sectional study was carried out to identify species and determine the prevalence of Cryptosporidium sp. shedding in pre-weaned and post-weaned dairy calves and to identify management factors that may be contributing to disease. A total of 240 calf faecal samples were collected from 16 farms in two districts in Johor, Malaysia, and screened by PCR. The overall Cryptosporidium prevalence was 27.1%. The prevalence of Cryptosporidium species in pre-weaned calves was 32.4% for C. parvum, 26.5% for C. bovis, followed by C. andersoni (20.6%), C. ryanae (11.8%) and mixed sp. (8.8%). The prevalence of Cryptosporidium species in post-weaned calves was 35% for C. bovis followed by C. andersoni and C. ryanae (30% each) and mixed sp. (5%). Subtyping analysis of 8 of the 11 C. parvum isolates at the gp60 locus identified five isolates as IIdA15G1, one as IIa18A3R1 and two isolates as IIa17G2R1. Management factors that increased the risk of Cryptosporidium infection included having other cattle farms close by, feeding calves with saleable milk, keeping pre-weaned calves in pens with slatted floors and keeping post-weaned calves in pens with a sand floor.
Details
- Title
- Prevalence of and management factors contributing to Cryptosporidium sp. infection in pre-weaned and post-weaned calves in Johor, Malaysia
- Authors/Creators
- A. Muhid (Author/Creator) - Jabatan Perkhidmatan Awam MalaysiaI. Robertson (Author/Creator) - Murdoch UniversityJ. Ng (Author/Creator) - Murdoch UniversityU. Ryan (Author/Creator) - Murdoch University
- Publication Details
- Experimental Parasitology, Vol.127(2), pp.534-538
- Publisher
- Academic Press
- Identifiers
- 991005541437707891
- Copyright
- © 2010 Elsevier Inc.
- Murdoch Affiliation
- School of Veterinary and Biomedical Sciences
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- International collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.246 Diarrheal Diseases
- 1.246.985 Cryptosporidium
- Web Of Science research areas
- Parasitology
- ESI research areas
- Microbiology