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Journal of Veterinary Medical Research最新文献

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Some virulence factors of Escherichia coli isolated from diarrheic calves 犊牛腹泻大肠杆菌的毒力因子分析
Journal of Veterinary Medical Research Pub Date : 2018-06-01 DOI: 10.21608/JVMR.2018.43305
G. Osman, W. Hassan, R. Azzam, A. Shehata
{"title":"Some virulence factors of Escherichia coli isolated from diarrheic calves","authors":"G. Osman, W. Hassan, R. Azzam, A. Shehata","doi":"10.21608/JVMR.2018.43305","DOIUrl":"https://doi.org/10.21608/JVMR.2018.43305","url":null,"abstract":"Escherichia coliare the most common cause of diarrhea in calves. Diarrhea in calvesremains one of the most important problems faced by livestock, causing greateconomic losses. Some strains ofE. coli characterized by the presence of specificvirulence factors including haemolysin production, resistance to bactericidal effectsof serum and Congo red binding activity. In this studyfecal samples were collectedfrom 115 diarrheic calves aged from 3 days to one year and from different localities in Egypt along the period from February to August 2015.The prevalence of E. coli in diarrheic calves was 72.2%. 39.8% of isolated E. coli were haemolytic to sheep blood agar, 68.7% were serum resistant, 100% showed Congo red binding activity.","PeriodicalId":53046,"journal":{"name":"Journal of Veterinary Medical Research","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90483545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Renal toxicity of titanium dioxide nanoparticlesin male albino rats 二氧化钛纳米颗粒对雄性白化大鼠的肾毒性
Journal of Veterinary Medical Research Pub Date : 2018-06-01 DOI: 10.21608/JVMR.2018.43307
Abdou Kh. A, walaa A. Moselhy, Hanaa M.Mohammed, El-Shaymaa El-Nahass, Ahlam G. Khalifa
{"title":"Renal toxicity of titanium dioxide nanoparticlesin male albino rats","authors":"Abdou Kh. A, walaa A. Moselhy, Hanaa M.Mohammed, El-Shaymaa El-Nahass, Ahlam G. Khalifa","doi":"10.21608/JVMR.2018.43307","DOIUrl":"https://doi.org/10.21608/JVMR.2018.43307","url":null,"abstract":"Nanoparticles have many characteristics that make them suitable for biological and medical applications. Uptake of thesenano particulates into animals and humans bodiesthrough different routes may exhibit potential side effects. Titanium dioxide (TiO2) is a common additivethat is increasingly used in consumer products, food,pharmaceutical dosage forms and cosmetic articles. In this study, the effects of oral administration of TiO2 nanoparticles (500 mg| kg .bw) for 60 days were investigated on kidney function and histopathological changes. The body weight gain and kidney/body weight ratio showed no significant changes in comparison with control group. There was a significant decrease in total thiol levels in kidney homogenate, the biochemical changes was supported by histopathologicalultration. In conclusion the data shows that the oral administration of TiO2 NPs may lead to renal toxicity in experimental rats. ARTICLE INFO","PeriodicalId":53046,"journal":{"name":"Journal of Veterinary Medical Research","volume":"54 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2018-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82722902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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