Abstract
Neospora caninum was identified as a coccidian parasite as in 1988, before that date it was misclassified as Toxoplasma gondii based on structural similarities. The aim of this study was to determine theseroprevalence of N. caninum in cattle in Kirkuk Province. A total of 185 cattle serum samples were collected randomly. Data about ages, gender and abortion history of females were recorded. Serum samples were examined by using ELISA as a screening test for the detection of anti- N. caninum IgG antibodies of past infection. Results showed that 53 (28.6%) cattle were seropositive infected, with significantly higher seropositive infection of age group >2 years in comparison to other age groups 94.3%. The distribution of N. caninum of total infected cattle showed that the seropositive infection in females were 47(88.7%), which was more than males 6 (11.3%) with a highly significant difference. There were 22(48.8%) aborted cattle out of 47 infected cattle with N. caninum with no significant difference in comparison with the healthy group.
Highlights
Neospora caninum is a protozoa coccidian parasite, obligatory intracellularly, identified by Bjerkas at 1984 and causes abortion in cattle and dogs with neuromuscular disorder, and cattle are its major intermediate host [1,2,3]
Serum samples were examined by using ELISA as a screening test for the detection of anti- N. caninum IgG antibodies of past infection
There were 22(48.8%) aborted cattle out of 47 seropositive cattle with Neospora caninum with no significant difference in comparison with healthy control (Table 3)
Summary
Neospora caninum is a protozoa coccidian parasite, obligatory intracellularly (order Eucoccidiorida, suborder Eimeriorina, and family Sarcocystidae), identified by Bjerkas at 1984 and causes abortion in cattle and dogs with neuromuscular disorder, and cattle are its major intermediate host [1,2,3]. In both milk and beef cattle, N. caninum is a cause of abortion. Dairy and beef cattle are reported reductions in milk yield and underweight calves [6] Infected dogs in their feces excrete oocysts that are ingested by intermediate hosts such as horses, goats, sheep and water buffaloes. Infected dogs in their feces excrete oocysts that are ingested by intermediate hosts such as horses, goats, sheep and water buffaloes. [7]
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