Babesia cameli as a New Species infecting Camels (Camelus dromedarius) at Assiut Locality

Elmalek, Barakat Shehata Abd; Abed, Gamal Hassan; Mandour, Ahmad Mohamad

doi:10.4172/2155-6156.1000700

Cited by 4 publications

(4 citation statements)

References 11 publications

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“…To date, DNA of Theileria equi, T. annulata, T. mutans, T. ovis and B. caballi have been detected in blood of dromedaries [18,[52][53][54][55]. There is limited knowledge on piroplasms specific for camels and due to lack of experimental infections and molecular characterisation, the taxonomic status of some species such as Theileria camelensis [56], Theileria dromedarii [57], Theileria assiutis [58] and Babesia cameli [59] remain unresolved. The detection of H. canis in one camel represents, to our knowledge, the first report of this pathogen among camels, and this could be accounted for by the low host specificity and ubiquitous distribution of H. canis [60] and its vectors (i.e.…”

Section: Discussionmentioning

confidence: 99%

Ticks and associated pathogens in camels (Camelus dromedarius) from Riyadh Province, Saudi Arabia

et al. 2020

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Background: Camel production in Saudi Arabia is severely affected by various diseases and by inadequate veterinary services. Ticks and tick-borne pathogens (TBPs) affect the health and wellbeing of camels consequently diminishing their productivity and performances. In addition, camels may act as hosts for TBPs (e.g. Anaplasma phagocytophilum) causing diseases in humans. The current study aimed to determine the prevalence of ixodid ticks and molecularly investigate the associated pathogens in camels from Saudi Arabia. Methods: Blood and tick samples were collected from camels (n = 170) in Riyad Province of Saudi Arabia. Ticks were morphologically identified, and blood of camels were molecularly screened for apicomplexan (i.e. Babesia spp., Theileria spp., Hepatozoon spp.) and rickettsial parasites (i.e. Ehrlichia spp. and Anaplasma spp.). Results: Of the 170 camels examined, 116 (68.2%; 95% CI: 60.9-75.1%) were infested by ticks with a mean intensity of 2.53 (95% CI: 2.4-2.6). In total of 296 ticks collected, Hyalomma dromedarii was the most prevalent (76.4%), followed by Hyalomma impeltatum (23.3%) and Hyalomma excavatum (0.3%). Of the tested animals, 13 (7.6%; 95% CI: 4.3-12.8%) scored positive to at least one TBP, with Anaplasma platys (5.3%; 95% CI: 2.7-9.9%) being the most prevalent species, followed by Anaplasma phagocytophilum, Anaplasma sp., Ehrlichia canis and Hepatozoon canis (0.6% each; 95% CI: 0.04-3.4%). None of the camels were found to be co-infected with more than one pathogen. All samples tested negative for Babesia spp. and Theileria spp. Conclusions: The present study reveals the occurrence of different tick species and TBPs in camels from Saudi Arabia. Importantly, these camels may carry A. phagocytophilum and A. platys, representing a potential risk to humans.

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Section: Discussionmentioning

confidence: 99%

Ticks and associated pathogens in camels (Camelus dromedarius) from Riyadh Province, Saudi Arabia

et al. 2020

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“…caballi have been detected in blood of dromedaries [18,[52][53][54][55]. There is limited knowledge on piroplasms specific for camels and due to lack of experimental infections and molecular characterisation, the taxonomic status of some species such as Theileria camelensis [56], Theileria dromedarii [57], Theileria assiutis [58] and Babesia cameli [59] remain unresolved. The detection of H. canis in one camel represents, to our knowledge, the first report of this pathogen among camels, and this could be accounted for by the low host specificity and ubiquitous distribution of H. canis [60] and its vectors (i.e.…”

Section: Discussionmentioning

confidence: 99%

Ticks and associated pathogens in camels (Camelus dromedarius) from Riyadh province, Saudi Arabia

Alanazi

Nguyen

Alyousif

et al. 2020

Preprint

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Background: Camel production in Saudi Arabia is severely affected by various diseases and by inadequate veterinary services. Ticks and tick-borne pathogens (TBPs ) affect the health and wellbeing of camels consequently diminishing their productivity and performances. In addition, camels may act as hosts for TBPs (e.g. Anaplasma phagocytophilum ) causing diseases in humans. The current study aimed to determine the prevalence of ixodid ticks and molecularly investigate the associated pathogens in camels from Saudi Arabia. Methods: Blood and tick samples were collected from camels ( n = 170) in Riyad Province of Saudi Arabia. Ticks were morphologically identified, and blood of camels were molecularly screened for apicomplexan (i.e. Babesia spp . , Theileria spp., Hepatozoon spp.) and rickettsial parasites (i.e. Ehrlichia spp. and Anaplasma spp.). Results: Of the 170 camels examined, 116 (68.2%; 95% CI: 60.9–75.1%) were infested by ticks with a mean intensity of 2.53 (95% CI: 2.4–2.6). In total of 296 ticks collected, Hyalomma dromedarii was the most prevalent (76.4%), followed by Hyalomma impeltatum (23.3%) and Hyalomma excavatum (0.3%). Of the tested animals, 13 (7.6%; 95% CI: 4.3–12.8%) scored positive to at least one TBP, with Anaplasma platys (5.3%; 95% CI: 2.7–9.9%) being the most prevalent species, followed by Anaplasma phagocytophilum , Anaplasma sp., Ehrlichia canis and Hepatozoon canis (0.6% each; 95% CI: 0.04–3.4%). None of the camels were found to be co-infected with more than one pathogen. All samples tested negative for Babesia spp. and Theileria spp. Conclusions: The present study reveals the occurrence of different tick species and tick-borne pathogens in camels from Saudi Arabia. Importantly, these camels may carry A. phagocytophilum and A. platys , representing a potential risk to humans.

show abstract

“…To date DNA of Theileria equi, T. annulata, T. mutans, T. ovis and Babesia caballi have been detected in blood of dromedaries [18,[52][53][54][55]. There is shortage of knowledge on piroplasms specific for camels and due to lack of experimental infections and molecular characterisation, the taxonomic status of some species such as Theileria camelensis [56], Theileria dromedarii [57], Theileria assiutis [58] and Babesia cameli [59] remain unresolved. The detection of H. canis from one camel represents, to our knowledge, the first report of this pathogen among camels, and this could be accounted for by the low host specificity and ubiquitous distribution of H.…”

Section: Discussionmentioning

confidence: 99%

Ticks and associated pathogens in camels (Camelus dromedarius) from Riyadh province, Saudi Arabia

Alanazi

Nguyen

Alyousif

et al. 2020

Preprint

View full text Add to dashboard Cite

Background Camel production in Saudi Arabia is severely affected by various diseases and by inadequate veterinary services. Ticks and tick-borne pathogens (TBPs) represent a major threat to the health of camels consequently affecting their productivity and performances. In addition, camels may act as hosts for TBPs (e.g. Anaplasma phagocytophilum ) causing diseases in humans. The current study aimed to determine the prevalence of ixodid ticks and molecularly investigate the associated pathogens in camels from Saudi Arabia. Methods Blood and tick samples were collected from camels (n=170) in Riyad Province of Saudi Arabia. Ticks were morphologically identified and blood of camels were molecularly screened for apicomplexan (i.e. Babesia spp ., Theileria spp., Hepatozoon spp.) and rickettsial parasites (i.e. Ehrlichia spp. and Anaplasma spp.). Results Of the 170 camels examined, 116 (68.2%; 95% CI: 60.9–75.1) were infested by ticks with a mean intensity of 2.53 (95% CI =2.4–2.6). In total of 296 ticks collected, Hyalomma dromedarii was the most prevalent (76.4%), followed by Hyalomma impeltatum (23.3%) and Hyalomma excavatum (0.3%). Of the tested animals, 13 (7.6%; 95% CI: 4.3–12.8) scored positive to at least one TBP, with Anaplasma platys (5.3%; 95% CI: 2.7–9.9) being the most prevalent species, followed by Anaplasma phagocytophilum , Anaplasma sp., Ehrlichia canis and Hepatozoon canis (0.6% each; 95% CI: 0.04–3.4). None of the camels were found to be co-infected with more than one pathogen. All samples tested negative for Babesia spp. and Theileria spp. Conclusions Current study reveals the occurrence of different tick species and tick-borne pathogens in camels from Saudi Arabia. Importantly, these camels may carry A. phagocytophilum and A. platys , representing a potential risk to humans.

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Babesia cameli as a New Species infecting Camels (Camelus dromedarius) at Assiut Locality

Cited by 4 publications

References 11 publications

Ticks and associated pathogens in camels (Camelus dromedarius) from Riyadh Province, Saudi Arabia

Ticks and associated pathogens in camels (Camelus dromedarius) from Riyadh Province, Saudi Arabia

Ticks and associated pathogens in camels (Camelus dromedarius) from Riyadh province, Saudi Arabia

Ticks and associated pathogens in camels (Camelus dromedarius) from Riyadh province, Saudi Arabia

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