Publication: High prevalence of Cryptosporidium infection caused by C. scrofarum and C. suis among pigs in Thailand
Issued Date
2020-08-01
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ISSN
18730329
13835769
13835769
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2-s2.0-85083419910
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Mahidol University
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SCOPUS
Bibliographic Citation
Parasitology International. Vol.77, (2020)
Suggested Citation
Umaporn Thathaisong, Suradej Siripattanapipong, Tawin Inpankaew, Saovanee Leelayoova, Mathirut Mungthin High prevalence of Cryptosporidium infection caused by C. scrofarum and C. suis among pigs in Thailand. Parasitology International. Vol.77, (2020). doi:10.1016/j.parint.2020.102122 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/54563
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Title
High prevalence of Cryptosporidium infection caused by C. scrofarum and C. suis among pigs in Thailand
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Abstract
© 2020 Elsevier B.V. Cryptosporidium spp. is an important intestinal protozoan causing diarrhea among both healthy and immunocompromised patients especially those with HIV/AIDS. Cryptosporidium spp. can be transmitted via foodborne, waterborne and person-to-person routes. In addition, several Cryptosporidium species are zoonotic. This study aimed to determine the prevalence of Cryptosporidium infection among pigs raised in both smallholder (<50 heads/farm) and large scale farms (50–500 heads/farm) in Chonburi Province, eastern Thailand using nested PCR amplifying the small subunit of the ribosomal RNA (SSU-rRNA) gene. DNA sequencing was also performed to identify the species of Cryptosporidium. A total of 245 fecal samples were collected from 11 pig farms. The overall prevalence of Cryptosporidium infection was 20.8% (51/245) which were found in both smallholder and small large scale pig farms. The prevalence of Cryptosporidium infection among pigs aged ≤6 months was significantly higher than those aged >6 months (p < .001). Among 51 Cryptosporidium positive samples, Cryptosporidium scrofarum (42/51, 82.4%) and Cryptosporidium suis (9/51, 17.6%) were identified. The prevalence of C. scrofarum infection observed among pigs aged ≤6 months was significantly higher when compared with those aged >6 months (20.7% and 2.1%, respectively, p < .001). The high prevalence of C. scrofarum and C. suis infections among pigs could be a potential source of infection to humans.