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Microbial Quality of “Tchachanga”, a Barbecued Mutton Sold in Benin

Advances in Microbiology 2017年第8期7卷 633-640页

作者： Kadoéito Cyrille Boko Martial Gangnito Soumanou S.Toleba Philippe Sessou Ulbad Polycarpe Tougan oscar nestor aguidissou Marc T.Kpodekon Souaibou Farougou Université d’Abomey-Calavi Ecole Polytechnique d’Abomey-CalaviDépartement de Production et Santé AnimalesUnité de Recherche en Biotechnologie de la Production et de la Santé AnimalesAbomey-CalaviRépublique du Bénin Université d’Abomey-Calavi Faculté des Sciences AgronomiquesCotonouRépublique du Bénin Université de Parakou Faculté d’AgronomieParakouRépublique du Bénin

The microbial quality of Tchachanga, a barbecued mutton sold at Bohicon and Hilla-Condji bus stations in Benin was assessed in accordance with French standards (DGAL, 2000). The analyses revealed that the average total viable counts (TVC) recorded in Bohicon (3.96 × 108 cfu/g) and Hilla-Condji (5.51 × 108 cfu/g) exceeded standard safety limits (3 × 105 cfu/g). Similar observations were made for other parameters such as fecal coliforms count, Escherichia coli count, sulphite-reducing anaerobes, Staphylococcus aureus, yeasts and molds. Salmonella sp were absent in all samples. There was no significant difference (P > 0.05) between the microbial loads obtained in Bohicon and Hilla-Condji. This study shows that barbecued mutton sold in these two stations is unsafe for human consumption. It is therefore important for food safety authorities in Benin to take appropriate measures and sensitize sellers on strict observance of hygiene rules in order to preserve public health.

关键词： Food Safety Tchachanga Street-Vended Food Microorganisms Public Health

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Antibacterial Activity of Essential Oil of Aeollanthus pubescenson Multidrug Resistant Strains of Salmonellaand Escherichia coliIsolated from Laying Hens Farming in Benin

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Advances in Microbiology 2019年第9期9卷 804-823页

作者： aguidissou oscar nestor Boko Kadoeito Cyrille Sessou Philippe Yovo Mahudro Komagbe S.Gwladys Ayihou Yannick Alitonou Guy Alain Avlessi Felicien Farougou Souaï bou Sohounhloue Koko Codjo Dominique Unite de Recherche sur les Maladies Transmissibles Laboratoire de Recherche en Biologie AppliqueeEcole Polytechnique d’Abomey-CalaviUniversite Abomey-CalaviCotonouBenin Laboratoire d’etude et de Recherche en Chimie Appliquee Ecole Polytechnique d’Abomey-CalaviUniversite Abomey-CalaviCotonouBenin

Infections due to Escherichia coli and Salmonella are of the major constraints for the laying hen’s industry as they cause mortality and serious economic losses. The use of conventional antibiotics to control bacterial has shown limits because it allows multidrug-resistance. The main objective of this study was to assess the antibacterial activity of essential oil from Aeollanthus pubescens on multidrug resistant strains of Salmonella and Escherichia coli isolated from laying hens faming in the department of Atlantique in Benin. Altogether, 11 strains of Salmonella and 16 strains of Escherichia coli have been isolated from 101 samples of different organs including liver, spleen, lung, feces and yolk according to standardized methods and their biochemical profile using API 20E gallery. Test of sensitivity was carried out on 11 antibiotics of six different families on identified strains in order to determine their resistance profile. A sensitivity test was carried out on multi-drug resistant strains with Aeollanthus pubescens essential oil to determine their sensitivity with regard to this essential oil. The results showed that the majority of Salmonella strains presented resistance to Tetracyclines (72.7%) and Sulfonamides (63.6%) and all Escherichia coli strains are resistant to Sulfonamides (100%) followed by Tetracycline (93.75%) and Ampicillin (75%). Aeollanthus pubescens essential oil was active on all the multi-drug resistant strains investigated with Minimal inhibitory concentration varying from 0.41 ± 0 mg/ml to 0.83 ± 0 mg/ml for Salmonella and from 0.41 ± 0 mg/ml to 1.66 ± 0 mg/ml for Escherichia coli (P Salmonella and the multi-drug resistant Escherichia coli investigated. Those results provide alternatives to control poultry bacterial pathologies in Republic of Benin. However, disease due to Escherichia coli and Salmonella must be taken more seriously and study on their resistance to antibiotic must be deepened as well.

关键词： Laying Hens Escherichia coli Salmonella Antibiore-sistance Aeollanthus pubescens

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