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Effect of natural neosporosis on bull sperm quality

机译：天然孕孢子症对牛精子质量的影响

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Neospora is one of the protozoans that can infect the male and female's reproduction system. Despite the existence of N. caninum in the genitalia, its effect on sperm characteristics was not studied yet. Therefore, the aim of this study was to investigate the influence of natural neosporosis on the sperm parameters of bulls. Using 30 bulls with neosporosis diagnosed by modified agglutination test and enzyme-linked immunosorbent assay (ELISA) and 15 healthy bulls, some sperm parameters such as sperm concentration, viability, motility, and morphology were studied and compared. Also, the activity of super oxide dismutase (SOD), glutathione peroxidase (GPX), and malondialdehyde (MDA) level as the biomarker of lipid peroxidation was investigated. Results showed that sperm concentration, viability, and motility were significantly lower in bulls with neosporosis in the present study. There were no significant differences in activities of SOD and MDA level but GPX activity was significantly increased in infected bulls.
机译：新孢子虫是能感染雄性和雌性生殖系统的原生动物之一。尽管犬N.菌存在于生殖器中，但其对精子特性的影响尚未研究。因此，本研究旨在探讨自然新孢子虫病对公牛精子参数的影响。用改良凝集试验和酶联免疫吸附试验（ELISA）诊断的30头新孢子虫病公牛和15头健康公牛，研究和比较了精子浓度、活力、活力和形态等精子参数。此外，还研究了作为脂质过氧化生物标志物的超氧化物歧化酶（SOD）、谷胱甘肽过氧化物酶（GPX）和丙二醛（MDA）水平的活性。结果表明，在本研究中，患有新孢子虫病的公牛的精子浓度、活力和活力显著降低。感染公牛的SOD和MDA活性无显著差异，但GPX活性显著升高。

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