Occurrence of anti-Toxoplasma gondii antibodies in female cattle in south-west of Iran.
ABSTRACT Toxoplasmosis, caused by Toxoplasma gondii, is a significant disease in livestock and humans. In Iran, studies shows that T. gondii infection in humans is relatively high and prevalence is associated mainly with consumption of undercooked meat or meat products. We have examined 450 serum samples from female cattle distributed over all Ahvaz, the center of Khouzestan province, south-west of Iran. IgG antibodies to T. gondii were assayed by the modified agglutination test using whole tachyzoites of T. gondii, and found in 71 (15.77%) of 450 cattle with titers of 1:25 in 38, 1:50 in 18, 1:100 in 11, 1:200 in three and 1:400 in one. Titers of antibodies were decreased in cattle over 2 years old. These results indicate that T. gondii infection in cattle of Khouzestan is relatively considerable, but not very high and consumption of beef may be a source of infection for humans in south-west of Iran.
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ABSTRACT: Toxoplasmosis is a parasitic disease caused by the protozoan Toxoplasma gondii. This parasite infects most of warm-blooded animals, including birds. Turkeys are one of these animals which might be infected by this parasite. Little is known about the prevalence of T. gondii in turkeys in Iran.Jundishapur Journal of Microbiology 07/2014; 7(7):e11598. · 0.78 Impact Factor
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ABSTRACT: During the period from December 2008 to September 2009, we examined 254 serum samples (164 in hot-dry weather and 90 in cold-dry weather) from dromedary camels distributed all over Yazd Province, in the center of Iran. IgG antibodies were assayed by the modified agglutination test (MAT) and Neospora agglutination test (NAT) using whole tachyzoites of Toxoplasma gondii and Neospora caninum, incorporating 2-mercaptoethanol, for T. gondii and N. caninum, respectively. Anti-T. gondii antibodies were found in 37 (14.56%) of 254 camels with titers of 1:20 in 7, 1:40 in 6, 1:80 in 8, 1:160 in 1, 1:200 in 4, 1:400 in 6, 1:800 in 4, and 1:1600 in 1 camel. Out of 254 (3.94%) camel sera, 10 had antibodies to N. caninum with titers of 1:20 in 6 and 1:40 in 4 camels. There was no difference between the presence of antibodies for both parasites in male and female camels or in different weather conditions, but occurrence of anti-T. gondii antibodies was greater in older camels.Turkish Journal of Veterinary and Animal Sciences 05/2013; · 0.32 Impact Factor
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ABSTRACT: Neospora caninum is a protozoan parasite from phylum apicomplexa and an important agent causing abortion in cattle which produce notable economic loss all around the world. Dot-Elisa was set up performing checker board procedure and then 178 sera of cattle examined with commercial indirect ELISA and direct agglutination test (DAT) were also evaluated by dot-ELISA afterwards. Kappa statistical analysis revealed that Dot-ELISA has good agreements with ELISA as well as the DAT and also, Mc Nemar's analyzing showed that this procedure has acceptable ability to discriminate positive results. Relative sensitivity and specificity of Dot-ELISA were respectively 92.63% and 89.16% and 93.4% and 90.8% in comparison with ELISA and DAT. Since the dot-ELISA is easy, inexpensive and not needed high experience to interpret the results, it is superior to ELISA and DAT when we aim to screen the cattle on the farm and slaughterhouses or when the laboratory equipment is not available.Iranian Journal of Parasitology 10/2013; 8(4):634-40. · 0.87 Impact Factor