Dataset Information

Prevalence of eimeriosis in the one-humped camels (Camelus dromedarius) from Riyadh and Al-Qassim, Saudi Arabia.

ABSTRACT: Background:The one-humped camels are economically important for several countries in Africa, Asia, and the Arabian Peninsula. Coccidiosis causes significant economic impact. Studies on coccidian parasite species causing such infections are limited. The present study aimed to carry out a survey of Eimeria spp. in camels from Riyadh and Al-Qassim, Saudi Arabia. Methods:A total of 209 fecal samples from Camelus (C.) dromedarius slaughtered in West Abattoir in Riyadh and Onaizah Modern abattoir in Al-Qassim were collected. Samples were examined by flotation methods and oocyst sporulation. Results:Of the 209 examined fecal samples, 75 were positive for Eimeria spp..The prevalence of oocysts in Riyadh and Al-Qassim were 33.89% (40/118) and 38.46% (35/92), respectively. The prevalence in young male camels was 41.02% (32/78) and 39.62% (21/53), respectively and in adult males was 19.35% (6/31) and 36% (9/25), respectively. Adult females displayed a prevalence of 22.22% (2/9) and 38.46% (5/13) in Riyadh and Al-Qassim, respectively. Three Eimeria spp. were identified; E. cameli, E. rajasthani, and E. pellerdyi. The presence of E. pellerdyi is considered the first record in Saudi Arabia.

SUBMITTER: Metwally DM

PROVIDER: S-EPMC7680024 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Prevalence of eimeriosis in the one-humped camels (<i>Camelus dromedarius</i>) from Riyadh and Al-Qassim, Saudi Arabia.

Metwally Dina M DM Al-Otaibi Tahani T TT Albasyouni Shurug A SA El-Khadragy Manal F MF Alajmi Reem A RA

PeerJ 20201118

<h4>Background</h4>The one-humped camels are economically important for several countries in Africa, Asia, and the Arabian Peninsula. Coccidiosis causes significant economic impact. Studies on coccidian parasite species causing such infections are limited. The present study aimed to carry out a survey of <i>Eimeria</i> spp. in camels from Riyadh and Al-Qassim, Saudi Arabia<i>.</i><h4>Methods</h4>A total of 209 fecal samples from <i>Camelus</i> (<i>C.</i>) <i>dromedarius</i> slaughtered in West A ...[more]

PMID: 33240656

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Project description:BackgroundTicks are hematophagous arthropods responsible for maintenance and transmission of several pathogens of veterinary and medical importance. Current knowledge on species diversity and pathogens transmitted by ticks infesting camels in Nigeria is limited. Therefore, the aim of this study was to unravel the status of ticks and tick-borne pathogens of camels in Nigeria.MethodsBlood samples (n = 176) and adult ticks (n = 593) were collected from one-humped camels (Camelus dromedarius) of both sexes in three locations (Kano, Jigawa and Sokoto states) in north-western Nigeria and screened for the presence of Rickettsia spp., Babesia spp., Anaplasma marginale, Anaplasma spp. and Coxiella-like organisms using molecular techniques. All ticks were identified to species level using a combination of morphological and molecular methods.ResultsTicks comprised the three genera Hyalomma, Amblyomma and Rhipicephalus. Hyalomma dromedarii was the most frequently detected tick species (n = 465; 78.4%) while Amblyomma variegatum (n = 1; 0.2%) and Rhipicephalus evertsi evertsi (n = 1; 0.2%) were less frequent. Other tick species included H. truncatum (n = 87; 14.7%), H. rufipes (n = 19; 3.2%), H. impeltatum (n = 18; 3.0%) and H. impressum (n = 2; 0.3%). The minimum infection rates of tick-borne pathogens in 231 tick pools included Rickettsia aeschlimannii (n = 51; 8.6%); Babesia species, (n = 4; 0.7%) comprising of B. occultans (n = 2), B. caballi (n = 1) and Babesia sp. (n = 1); Coxiella burnetii (n = 17; 2.9%); and endosymbionts in ticks (n = 62; 10.5%). We detected DNA of "Candidatus Anaplasma camelli" in 40.3% of the blood samples of camels. Other tick-borne pathogens including Anaplasma marginale were not detected. Analysis of risk factors associated with both tick infestation and infection with Anaplasma spp. in the blood indicated that age and body condition scores of the camels were significant (P < 0.05) risk factors while gender was not.ConclusionsThis study reports low to moderate prevalence rates of selected tick-borne pathogens associated with camels and their ticks in north-western Nigeria. The presence of zoonotic R. aeschlimannii emphasizes the need for a concerted tick control programme in Nigeria.

Dataset Information

Prevalence of eimeriosis in the one-humped camels (Camelus dromedarius) from Riyadh and Al-Qassim, Saudi Arabia.

Publications

Prevalence of eimeriosis in the one-humped camels (<i>Camelus dromedarius</i>) from Riyadh and Al-Qassim, Saudi Arabia.

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