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Molecular typing of Giardia duodenalis in cattle, sheep and goats in an arid area of central Iran

Kiani-Salmi, N., Fattahi-Bafghi, A., Astani, A., Sazmand, A., Zahedi, A.ORCID: 0000-0002-0165-3797, Firoozi, Z., Ebrahimi, B., Dehghani-Tafti, A., Ryan, U.ORCID: 0000-0003-2710-9324 and Akrami-Mohajeri, F. (2019) Molecular typing of Giardia duodenalis in cattle, sheep and goats in an arid area of central Iran. Infection, Genetics and Evolution, 75 . Article 104021.

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Giardia duodenalis is one of the most common intestinal parasites in humans as well as livestock and wildlife. It is of both public and veterinary health importance in developing nations. A molecular survey of Giardia duodenalis assemblages in ruminants from Yazd Province, Iran was conducted on 484 animal faecal samples collected per rectum from slaughtered ruminants including 192 cattle, 192 sheep and 100 goats from June to November 2017. Species-specific and assemblage-specific PCRs for assemblages A, B and E at the triose phosphate isomerase (tpi) gene were performed, and samples positive for Giardia were confirmed by sequencing. In total, 25 (5.16%) of examined faecal samples including eight cattle (4.2%), twelve sheep (6.2%) and five goats (5%) were infected with G. duodenalis. Assemblage-specific PCR detected G. duodenalis assemblage E in seven faecal samples (six in sheep and one in a goat). Assemblages A and B were not detected. This study provides the first insight into Giardia infection in slaughtered livestock in Iran. Although the prevalence of infection with Giardia in this hot-arid area of Iran was low, educating people about direct contact with livestock such as farmers and abattoirs workers about this zoonotic infection is important.

Item Type: Journal Article
Murdoch Affiliation(s): College of Science, Health, Engineering and Education
Publisher: Elsevier BV
Copyright: © 2019 Elsevier B.V.
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