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Abstract

Cryptosporidium spp., and Giardia duodenalis are intestinal protozoan parasites known to infect humans and various animals and cause diarrhea. This study aimed at determining the prevalence and genotype of Cryptosporidium spp. and Giardia duodenalis in sheep in different locations of Siirt province. The fecal material for this study was collected from 500 sheep in different locations of Siirt province, Turkey. Fecal samples obtained from sheep were examined for Cryptosporidium spp. by Kinyoun Acid Fast staining and the Nested PCR method. Microscopic and Nested PCR methods revealed a prevalence of 2.4% (12/500) and 3.6% (18/500), respectively. Sequence analysis revealed the presence of C. ryanae, C. andersoni, and zoonotic C. parvum. In terms of Giardia duodenalis, 8.4% (42/500) and 10.2% (51/500) prevalence was determined using Nativ-Lugol and Nested PCR methods, respectively. Using sequence analysis, zoonotic assemblages A and B as well as assemblages E and D were detected. As a result of this study, both the prevalence of Cryptosporidium spp. and Giardia duodenalis and the presence of species that appear to be host-specific, as well as those known to be zoonotic, were revealed. A large-scale study is needed to understand the impact of these agents on sheep farming and their consequences on human health.
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Authors and Affiliations

B. Aslan Çelik
1
Ö.Y. Çelik
2
A. Ayan
3
Ö. Orunç Kılınç
4
G. Akyıldız
5
K. İrak
6
M.A. Selçuk
1
K. Ercan
2
V. Baldaz
2
Ö. Oktay Ayan
7

  1. Department of Parasitology, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
  2. Department of Internal Medicine, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
  3. Department of Genetics, Faculty of Veterinary Medicine, Van Yüzüncü Yıl University, Van, Turkey
  4. Özalp Vocational School, Van Yüzüncü Yıl University, Van, Turkey
  5. Department of Basic Health Sciences, Faculty of Health Sciences, Marmara University, İstanbul, Turkey
  6. Department of Biochemistry, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
  7. Department of Parasitology, Van Yüzüncü Yıl University, Faculty of Medicine, Van, Turkey
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Abstract

Anaplasmosis and ehrlichiosis are important tick-borne rickettsial diseases of medical and veterinary importance that cause economic losses in livestock. In this study, the prevalence of Anaplasma ovis, Ehrlichia canis and Ehrlichia chaffeensis was investigated in ticks collected from sheep in various farms in Van province, which is located in the Eastern Anatolian Region of Turkey. The ticks used in this study were collected by random sampling in 26 family farm business in 13 districts of Van province. A total of 688 ticks were collected from 88 sheep and 88 tick pools were created. All ticks identified morphologically as Rhipicephalus bursa. Phylogenetic analysis of Chaperonin and 16S rRNA gene sequences confirmed A. ovis, E. canis and E. chaffeensis in this study. Of the 88 tick pools tested, 28.41% (25/88) were positive for at least one pathogen. Anaplasma DNA was detected in five of the 88 pools (5.68%), E. canis DNA was detected in 19 of the 88 pools (21.59%), and E. chaffeensis DNA was detected in one of the 88 pools (1.14%) of R. bursa ticks. To our knowledge, this is the first report describing the presence of A. ovis, E. canis, and E. chaffeensis in R. bursa ticks collected from sheep in Turkey. Further studies are needed to investigate other co-infections in sheep in Turkey.
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Authors and Affiliations

A. Ayan
1
B. Aslan Çelik
2
Ö.Y. Çelik
3
Ö. Orunç Kılınç
4
G. Akyıldız
5
A.B. Yılmaz
6
D.N. Sayın İpek
7
Ö. Oktay Ayan
8
A.R. Babaoğlu
9

  1. Department of Genetics, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey
  2. Department of Parasitology, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
  3. Department of Internal Medicine, Faculty of Veterinary Medicine, Siirt University, Siirt, Turkey
  4. Özalp Vocational School, Van Yüzüncü Yıl University, Van, Turkey
  5. Department of Basic Health Sciences, Faculty of Health Sciences, Marmara University, İstanbul, Turkey
  6. Faculty of Health, Van Yuzuncu Yil University, Van, Turkey
  7. Department of Parasitology, Faculty of Veterinary Medicine, Dicle University, Diyarbakır, Turkey
  8. Department of Parasitology, Faculty of Medicine, Van Yuzuncu Yil University, Van, Turkey
  9. Department of Virology, Faculty of Veterinary Medicine, Van Yuzuncu Yil University, Van, Turkey

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