Multiple zoonotic helminth infections in domestic dogs in a rural area of Khuzestan Province in Iran

Beiromvand, M. and Rafiei, A. and Razmjou, E. and Maraghi, S. (2018) Multiple zoonotic helminth infections in domestic dogs in a rural area of Khuzestan Province in Iran. BMC Veterinary Research, 14 (1).

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Abstract

Background: Echinococcosis and toxocarosis caused by the genus of Echinococcus and Toxocara spp. are among important helminthic diseases worldwide. Limited data on the prevalence of these parasites persuaded us to determine the prevalence of E. granulosus, E. multilocularis, and T. canis infections in domestic dogs in rural areas of Ahvaz, southwestern Iran. Fecal samples from 167 domestic dogs were examined using both microscopy and PCR techniques. Multiplex PCR was performed for the presence of Echinococcus, and Taenia spp. and single PCR for detection of T. canis and Toxascaris leonina. Results: The total occurrence of identified parasites was 65 (38.9). The microscopic examinations showed that 40 (24), 18 (10.8), and four (2.4) of dogs were infected with taeniid-like, ascarid, and both genera eggs, respectively. Echinococcus granulosus was identified in seven (4.2), Taenia spp. in 29 (17.4), and mixed infection with both in 11 (6.6) samples. Sequencing of PCR-positive samples identified E. granulosus s.s. (G1), 18 T. hydatigena (10.8), five T. multiceps (3), three T. serialis (1.8), one T. ovis (0.6), one Spirometra erinaceieuropaei voucher (0.6), and two Mesocestoides corti (1.2). This is the first report of S. erinaceieuropaei voucher and M. corti in dogs in Iran. Nine (5.4) and 16 (9.6) dogs showed infection with T. canis and T. leonina, respectively. Two samples showed coinfection with both ascarids. Conclusions: Several studies have reported echinococcosis and toxocarosis in intermediate hosts from the southwest of Iran; however, this study is the first molecular research on E. granulosus and T. canis in domestic dogs in a rural area of southwestern Iran. Furthermore, issues of soil contamination with dogs' feces and recent dust storms in Khuzestan may have a role in the spreading of these zoonotic infections to other provinces close to it, and neighboring countries such as Iraq. © 2018 The Author(s).

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: Article; DNA extraction; DNA sequence; dog; echinococcosis; Echinococcus granulosus; Echinococcus multilocularis; feces analysis; gene sequence; helminthiasis; Iran; nonhuman; real time polymerase chain reaction; rural area; sparganosis; Taenia multiceps; toxocariasis
Subjects: WC Communicable Diseases
Depositing User: eprints admin
Date Deposited: 24 Dec 2018 06:53
Last Modified: 02 Jul 2019 10:32
URI: http://eprints.iums.ac.ir/id/eprint/6357

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