Veterinary Medicine
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Item Pathogenic and zoonotic potential of bacterial flora of commercial fish ponds in Ibarapa Central Local Government Area of Oyo State, Nigeria(2020) Obisesan, O. M.; Oladosu, G. A.; Abegunde, P. T.; Ajibade, A. O.; Adah, A. D.; Oladejo, A. O.Pathogenic and non-pathogenic bacteria are normal microflora of the aquatic ecosystem. The bacterial organisms isolated in this study are from fish and pond water samples collected from 3 farms, and they belong to the following families: Streptococcaceae, Staphylococcaceae. Enterobacteriaceae, Psedomonadaceae, Vibrionaceae and Aeromonadaceae. Seven of the 13 bacterial species isolated namely; Citrobacter freundii, Aeromonas hydrophila, Vibrio vulnificus. Pseudomonas aeruginosa, Aeromonas schubertii, Klebsiella pneumoniae and Edwardsiella tarda are pathogenic to fish in freshwater habitat, while almost all the 13 species are pathogenic to humans. These organisms are therefore of economically significant to commercially important farmed fishes, have zoonotic potential and are of public health importance to man. Strict hygiene and biosecurity measures become very important on fish farms to avoid disease outbreaks. Consumers should also avoid eating raw and lightly cooked aquatic products.Item Incidence and antibiotic susceptibility of bacteria in goat milk in Ibadan, Nigeria(Nigerian Journal of Animal Production (NJAP), 2018) Amosun, E. A.; Olatoye, I. O.; Oyeniyi, T. M.Goat milk and itsproducts are highly nutritious and widely consumed in several countries. In Nigeria, little attention has been given to goats as dairy animals; hence thè raw milk can be a potential source of bacterial contamination and spread of antibiotic resistant pathogens within human, animai and environment. In this study, thè incidence and antibiotic susceptibility of bacteria in goat milk in Ibadan, Nigeria was evaluated. The bacteriological quality and antibiotic resistance characteristics of thè isolates froml05 raw milk samples collectedfrom does in fìve goat herds in Ibadan in Oyo-State, Nigeria were carried out. A total ofl26 bacterial isolates belonging to six bacteria genera [Lactobacillus spp (23.81 %), Staphylococcus aureus (23.02%), E.coli (20.63%), Klebsiella pneumonia (15.08%), Pseudomonas aeruginosa (10.35%), Streptococcus spp (07.14%)] were obtainedfrom thè samples. The Gram negative isolates exhibited resistance to amoxillin (84.50%), augmentin (77.59%), septrìn (75.86%), sparfloxacìn (72.41%), chloramphenicol (68.97%), streptomycin (65.52%), perfloxacin (56.90%), tarìvid (51.72%), gentamycin (48.28%), ciprofloxacin (48.27%).While thè Gram positive bacteria also exhibited resistance to ampiclox ( 69.12%), septrìn (42.65%), erythromycìn (33.82%), streptomycin (14.71%), gentamycin (11.76%), rocephin (07.35%), zinnacef (02.94%), ciprofloxacin (01.47%). Multi-drug resistance (MDR) to three or more antimicrobials was observed in some of thè isolates. This study revealed high prevalence of MDR bacteria in goat milk that can contrìbute to thè global antibiotic resistance menace through primary or secondary infections assocìated with husbandry, milking and consumption of improperly pasteurized goat milkItem Incidence and antibiotic susceptibility of bacteria in goat milk in Ibadan, Nigeria(Nigerian Journal of Animal Production (NJAP), 2018) Amosun, E. A.; Olatoye, I. O.; Oyeniyi, T. M.Goat milk and itsproducts are highly nutritious and widely consumed in several countries. In Nigeria, little attention has been given to goats as dairy animals; hence thè raw milk can be a potential source of bacterial contamination and spread of antibiotic resistant pathogens within human, animai and environment. In this study, thè incidence and antibiotic susceptibility of bacteria in goat milk in Ibadan, Nigeria was evaluated. The bacteriological quality and antibiotic resistance characteristics of thè isolates froml05 raw milk samples collectedfrom does in fìve goat herds in Ibadan in Oyo-State, Nigeria were carried out. A total ofl26 bacterial isolates belonging to six bacteria genera [Lactobacillus spp (23.81 %), Staphylococcus aureus (23.02%), E.coli (20.63%), Klebsiella pneumonia (15.08%), Pseudomonas aeruginosa (10.35%), Streptococcus spp (07.14%)] were obtainedfrom thè samples. The Gram negative isolates exhibited resistance to amoxillin (84.50%), augmentin (77.59%), septrìn (75.86%), sparfloxacìn (72.41%), chloramphenicol (68.97%), streptomycin (65.52%), perfloxacin (56.90%), tarìvid (51.72%), gentamycin (48.28%), ciprofloxacin (48.27%).While thè Gram positive bacteria also exhibited resistance to ampiclox ( 69.12%), septrìn (42.65%), erythromycìn (33.82%), streptomycin (14.71%), gentamycin (11.76%), rocephin (07.35%), zinnacef (02.94%), ciprofloxacin (01.47%). Multi-drug resistance (MDR) to three or more antimicrobials was observed in some of thè isolates. This study revealed high prevalence of MDR bacteria in goat milk that can contrìbute to thè global antibiotic resistance menace through primary or secondary infections assocìated with husbandry, milking and consumption of improperly pasteurized goat milkItem Evaluation of bacteria and antibiotic resistance profiling of Wara (White soft cheese) in Oyo- State, South West, Nigeria(Nigerian Veterinary Medical Association, 2017) Amosun, E. A.; Agbato, A. O.; Daodu, O. B.; Ojo, O. E.Fresh milk from healthy cows contains few bacteria but contamination during handling and processing can rapidly increase bacterial population and subsequently depreciate it quality. This study evaluated thè presence of bacteria and their antibiotic resistance profiles in white soft cheese (Wara) in three major producing locai Government areas in Oyo-State, Nigeria. The cheese samples were collected in sterile universal bottles immediately after production. Samples were immediately transported to thè laboratory for bacteria isolation, identification and antibiotic susceptibility test of thè isolates. A total of one hundred and sixty-five (165) bacterial isolates of ten different bacterial genera were identified from 102 cheese samples. The isolation rates of different species/genera were Lactobacillus spp (39.8%), E. coli (32.5%), Klebsiella spp (9%), Citrobacter spp (2.4%), Acinetobacter spp (3.6%), Pseudomonas spp (6.6%), Bordetella spp (0.6%), Proteus spp (1.2%), Staphylococcus spp (3.6%) and Strepiococcus agalactiae (0.6%). Results demonstrated substantial differences in their resistance pattems to various antibiotics. The isolates were tested against ten different antibiotics. The Gram negative isolates showed twenty-five resistance pattems while Gram positive isolates revealed fifty-four distinct resistance groups. In all, Gram positive isolates showed resistance to ceftriaxone (61.1%), gentamicin (51.4%), chloramphenicol (51.1%), amoxicillin (48.6%), ciprofloxacin (44.4%), cotrimoxazole (43.1%), perfloxacin (40.3%), streptomycin (40.3%) Erythromycin (31.9) and ofloxacin (30.6%) while Gram positive showed resistance to chloramphenicol (22.6%), trimethoprim /sulfamethoxazole (20.4%), amoxillin/clavulanic acid. (10.8%), streptomycin (9.7%), gentamicin (8.6%), sparfloxacin (6.5%), amoxicilin (5.4%), Perfloxacin (5.4%), ofloxacin (4.3%) and ciprofloxacin (3.2%). Multi-drug resistance to three or more antibiotics was observed in 69 isolates, 56 Gram positive and 13 Gram negative bacteria. This study confirmed that white soft cheese “wara” can be a source of bacteria with multidrug resistant phenotypes.