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antisalmonellal and antioxidant potential of hydroethanolic extract of Canarium schweinfurthii Engl.(Burseraceae) in Salmonella enterica serovar Typhimurium-infected chicks

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Asian Pacific Journal of Tropical Biomedicine 2019年第11期9卷 474-483页

作者： Jean Baptiste Sokoudjou Siméon Pierre Chegaing Fodouop Flavie Gaelle Djoueudam Norbert Kodjio JeanRaphael Kana Alain Bertrand Fowa Gabriel Tchuente Kamsu Donatien Gatsing Microbiology and Antimicrobial Substances Research Unit Faculty of ScienceUniversity of DschangCameroon Department of Biomedical Sciences University of NgaoundéréCameroon Animal Production and Nutrition Research Unit Faculty of Agronomy and Agricultural SciencesUniversity of DschangCameroon

Objective:To evaluate the anti-infectious and antioxidant activities of hydroethanolic extract of Canarium schweinfurthii on broiler chickens infected by Salmonella enterica serovar Typhimurium,known to be threatening public ***:Animals were divided into six groups of eight animals per group:the normal control group,negative control group,positive control group and three test groups receiving the plant extract at 5,19 and 75 mg/kg bw,*** evolution of the disease as well as the effectiveness of the treatment were monitored by stool culture from the second day post infection until the end of the *** addition,the effects of treatment on growth performances and feed conversion efficiency of broilers were *** the assessment of antioxidant status,enzymatic and non-enzymatic biomarkers such as catalase,glutathione peroxidase,malondialdehyde and nitric oxide were evaluated in the serum and tissues of ***:The infected chickens treated with oxytetracycline recovered on day 7 after treatment,while animals treated with 19 and 75 mg/kg of Canarium schweinfurthii extract recovered on day 9 and those with 5 mg/kg of the extract on day *** infection caused a decrease on catalase and glutathione peroxidase activities;the administration of various doses of Canarium schweinfurthii extract increased these enzymatic *** receiving the extract at 5 mg/kg showed a significant increase in catalase activity in serum,heart and lungs while all concentrations of the extract significantly increased glutathione peroxidase activity in the serum,liver and *** non-enzymatic biomarkers,Salmonella infection caused a significant increase of nitric oxide and malondialdehyde concentration in the liver and *** with 75 mg/kg of the extract significantly reduced nitric oxide concentration in the heart and lungs while each dose of the extract reduced and normalized the malondialdehyde level in the serum.A

关键词： Avian salmonellosis antisalmonellal efficacy Canarium schweinfurthii Salmonella Typhimurium Antioxidant activity

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