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1
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Vertical transmission of Neospora caninum in Iranian dairy cattle

100%
Gharekhani J., Yakhchali M.
Annals of Parasitology
|
2020
|
tom 66
|
nr 4
2
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Molecular evidence of Trypanosoma evansi infection in Iranian dromedary camel herds

81%
Mirshekar F., Yakhchali M., Shariati-Sharifi F.
Annals of Parasitology
|
2019
|
tom 65
|
nr 2
Trypanosoma evansi is a pathogenic African animal protozoan, affecting livestock and wild animals worldwide and Iran. The present study was carried out to detect the infection of T. evansi in one-humped camels (Camelus dromedarius) of southeastern Iran. Over six months, a total numbers of 370 dromedary camels were randomly selected from three sub-areas located in southeastern Iran in 2015. Blood samples were taken from jugular vein and examined by using micro-hematocrit centrifugation (MHCT) and PCR techniques. Genomic DNA was extracted and PCR was performed to amplify a fragment of the mini-chromosome satellite DNA TBR1/2 of T. evansi. The overall prevalence was 31.35% (116/370). The highest T. evansi infection was significantly in adult camels (24.05%, 89/370) with chronic clinical signs (11.89%, 44/370). There was significant difference between prevalence and sex (9.46% male and 21.89% female). Only 19.19% (71 out of 370) of the infected camels were from the plain areas. The highest T. evansi infection rate was significantly recorded in the camels of north (19.19%, 71/370) part of the region. The molecular analysis was uncovered high level of infection with T. evansi in camel herds which can help to establish effective control programs in the region.
3

First molecular characterization and seasonality of larvae of trichostrongylid nematodes in arrested development in the abomasum of Iranian naturally infected sheep

81%
Nazarbeigy M., Yakhchali M., Pourahmad F.
Acta Parasitologica
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2021
|
tom 66
|
nr 1
4
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The enzymes and electrolytes profiles in sera of Iranian stray dogs naturally infected with Neospora caninum

81%
Yakhchali M., Bahrami M., Asri-Rezaei S., Bokaie S.
Annals of Parasitology
|
2017
|
tom 63
|
nr 1
The protozoan Neospora caninum (Apicomplexa: Sarcocystidae), respectively infects canids and ruminants as the most definitive and intermediate hosts. A diagnosis of neosporosis is generally made on the basis of clinical signs together with the detection of high levels of antibodies in serum. The present study compares the serum electrolyte profile (Ca, K, Mg, Na, P) and serum enzyme level (ALP, AST, CPK) of non-infected dogs with those of stray dogs naturally infected with N. caninum. The indirect fluorescent antibody test (IFAT) revealed that 17 of the 137 analysed serum samples (12.41%) of the stray dogs were seropositive (Sp) to N. caninum. Serum levels of the electrolytes and the enzymes were evaluated in the 17 Sp and 28 seronegative (Sn, 20.44%) dogs using common enzyme kits, spectrophotometry and flame photometry techniques. The average serum level of ALP, AST, and CPK were found to be significantly higher in the Sp stray dogs. Measurements of the average serum levels of Ca, K, Mg, and P were higher in Sp than Sn stray dogs, with the average K level being significantly higher in seropositive stray dogs. It was concluded that evaluation of serum enzyme and electrolyte levels may be used to screen N. caninum infection in stray dogs.
5
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Molecular study on nematode infection in sheep abomasa: A regional investigation in Iran and Iraq

81%
Mirzaei Y., Yakhchali M., Mardani K., Shnawa B. H.
Annals of Parasitology
|
2022
|
tom 68
|
nr 2
6
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Prevalence of anti-Neospora caninum antibodies in Iranian goats

61%
Gharekhani J., Esmaeilnejad B., Rezaei H., Yakhchali M., Heidari H., Azhari M.
Annals of Parasitology
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2016
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tom 62
|
nr 2
Many species of animals play the role of intermediate host for Neospora caninum. Although the neosporosis has a global distribution, however there is no information on goats’ infection in Iran. The main goal of present study was to determine the seroprevalence of N. caninum in goats of western Iran. A total of 450 sera were taken and analyzed for antibodies to N. caninum using ELISA technique. Of those, 28 (6.2%) examined goats were found to be seropositive (95%, CI=6.2±2.2%). In which male goats (11.1%) had the highest IgG against N. caninum with more than 2 years-old (54.4%). There was significant difference between prevalence and age. Positive association were in animals with history of abortion (18/30, 60%) and IgG against N. caninum. No correlations were found between male and female. This was the first report on N. caninum infection in Iranian goats and may be responsible for abortion and economic losses in goat husbandry in the region.
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