Korean J Parasitol.  2019 Oct;57(5):549-552. 10.3347/kjp.2019.57.5.549.

Prevalence of Intestinal Helminth Infections in Dogs and Two Species of Wild Animals from Samarkand Region of Uzbekistan

Affiliations
  • 1Department of Environmental Medical Biology and Institute of Tropical Medicine, Yonsei University College of Medicine, Seoul 03722, Korea.
  • 2Department of Environmental Medical Biology, Yonsei University Wonju College of Medicine, Wonju 26426, Korea.
  • 3Department of Parasitology and Tropical Medicine, School of Medicine, Pusan National University, Yangsan 50612, Korea.
  • 4Isaev Research Institute of Medical Parasitology, Ministry of Health, Samarkand, Republic of Uzbekistan.
  • 5Department of Pediatric Surgery, Samarkand Medical Institute, Samarkand, Republic of Uzbekistan.
  • 6Department of Environmental Medical Biology, Catholic Kwandong University College of Medicine, Gangneung 25601, Korea. gmpark@cku.ac.kr

Abstract

This study aimed to determine the prevalence of intestinal helminth parasitic infections and associated risk factors for the human infection among the people of Samarkand, Uzbekistan. Infection status of helminths including Echinococcus granulosus was surveyed in domestic and wild animals from 4 sites in the Samarkand region, Uzbekistan during 2015-2018. Fecal samples of each animal were examined with the formalin-ether sedimentation technique and the recovery of intestinal helminths was performed with naked eyes and a stereomicroscope in total 1,761 animals (1,755 dogs, 1 golden jackal, and 5 Corsac foxes). Total 658 adult worms of E. granulosus were detected in 28 (1.6%) dogs and 1 (100%) golden jackal. More than 6 species of helminths, i.e., Taenia hydatigena, Dipylidium caninum, Diplopylidium nolleri, Mesocestoides lineatus, Toxocara canis, and Trichuris vulpis, were found from 18 (1.0%) dogs. Six (T. hydatigena, Toxascaris leonina, Alaria alata, Uncinaria stenocephala, D. caninum, and M. lineatus) and 2 (D. nolleri and M. lineatus) species of helminths were also detected from 5 Corsac foxes and 1 golden jackal, respectively. Taeniid eggs were found in 2 (20%) out of 10 soil samples. In the present study, it was confirmed that the prevalences of helminths including E. granulosus are not so high in domestic and wild animals. Nevertheless, the awareness on the zoonotic helminth infections should be continuously maintained in Uzbekistan for the prevention of human infection.

Keyword

Echinococcus granulosus; dog; wild animal; helminthic parasite; Samarkand; Uzbekistan

MeSH Terms

Adult
Ancylostomatoidea
Animals
Animals, Wild*
Dogs*
Echinococcus granulosus
Eggs
Foxes
Helminths*
Humans
Jackals
Mesocestoides
Ovum
Prevalence*
Risk Factors
Soil
Taenia
Toxascaris
Toxocara canis
Trichuris
Uzbekistan*
Soil
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