This study was conducted to assess the prevalence of Salmonella species among children having diarrhea in Katsina State, Nigeria. A total of 220 diarrhea stool samples of children aged five years and below (0-5 years) were collected and screened for Salmonella species using culture technique. Presumptively positive isolates were further screened biochemically and serologically, using Microgen TM Enterobactericeae ID kit and Microgen TM Salmonella rapid confirmatory latex agglutination test kit. Antibiotic susceptibility of confirmed isolates was carried out and resistance patterns of the isolates determined. The highest incidence was observed in children of 13-24 months of age and the least in children of 0-12 months of age. There was a higher prevalence in male than female children. All the isolates screened were resistant to Ampicillin and Amoxicillin and of these, 90.9% were resistant to Amoxicillin-clavulanic acid and 45.5% were resistant to Nalidixic acid. However, 100% were sensitive to Gentamicin, 90.9% were sensitive to Ciprofloxacin and Cefotaxime and 9.09% showed reduced susceptibility to Ciprofloxacin. Both the occurrence of Salmonella in children and their resistance to multiple antibiotics as observed are of public health significance. The vein of this study underscores the importance of routine monitoring of the incidence of Salmonella and continued health education of caregivers.
A study was carried out to isolate and identify Bacteria associated with suya (roasted meat product) sold in Dutsinma metropolis. Bacteriological analysis was carried out on the thirty (30) unspiced and thirty (30) spiced the samples collected from five (5) different retail outlets for identification and isolation using microscopy and biochemical test. The Prevalence of occurrence of the bacteria isolates was highest for Escherichia coli with 25.9%, Staphylococcus epidermidis with 24.5%, Bacillus cereus with 21.0%, Klebsiella pneumoniae with 11.8%, Staphylococcus aureus with 8.4% Streptococcus faecalis with 6.3%, and Salmonella sp with 2.1%. The mean aerobic plate count were in order of 106 (cfu/g) with the highest value for unspiced suya samples at 2.65 and that of spiced suya samples was 2.95. Occurrence of such organisms in ready-to –eat food constitutes a food safety issue which calls for urgent response in the education of suya producers on the hazards, Critical Control Points and the importance of personal hygiene and clean environment. Critical limits for the critical control points identified in this study are proposed.
Serotyping characterization and antimicrobial susceptibility of Salmonella clinical isolates were examined for a period of 10-months to study the most frequently encountered serovars in salmonellosis and their antimicrobial susceptibility patterns. Seven hundred and twenty (720) samples of both stool and blood specimens were collected from out patients attending three hospitals in Katsina State, Nigeria. The samples were collected from patients diagnosed by clinicians with either pyrexia, gastroenteritis or both. Samples were cultured; isolates were identified and antibiotic susceptibility test was performed using standard procedures. The total number of 108 (15%) of the 720 samples collected yielded positive for Salmonella strains. Out of the 108 isolates, 61 (56.5%) were responsible for typhoidal salmonellosis, while 47(43.5%) were responsible for non-typhoidal salmonellosis. Of the 108 cases of salmonellosis, 91(84.3%) were from children and 17(15.7%) from adults. S. Typhi (40.7%) was the most frequently encountered, followed by S. Enteritidis (26.9%) and least encountered was S. Arizonae (2.8%). There was no significant difference in the serotypes isolated from each of the hospitals with respect to the type of salmonellosis caused with their p values > 0.05. Of the total isolates, 94.2% were found to be resistant to ampicillin, 22.2% resistant to cefotaxime, 72.8% resistant to chloramphenicol, 31.8% resistant to co-trimoxazole and 4.9% resistant to nalidixic acid. However, resistance to ofloxacin and ciprofloxacin by the isolates were not found. Therefore, ofloxacin and ciprofloxacin remains the drug of choice for severe cases of salmonellosis, although caution should be exercised by clinicians in their prescriptions such that fluoroquinolones antibiotic therapy is used only in laboratory-proven cases of typhoid fever and Salmonella-associated bacteraemia to preserve its efficacy.
This study was carried out to investigate the prevalence of geohelminth parasites of horses in Dutsinma metropolis between May to August, 2016. Fresh fecal sample were obtained from the rectum of 48 randomly selected horses. A floatation technique was used for the lab work experiment. From the result, out of the total sample collected 6 (12.50%) were positive with eggs of two parasites Strongyles and Oxyuris spp with the prevalence of (6.25%) for each. Among the three points of sample collection, the highest prevalence was recorded at Kadangaru (20.00%) followed by Unguwa Yandaka (18.18%) and no case recorded at Hayingada. X2 cal = 36.84 at P=0.05 and 2df. The highest prevalence was recorded among the males (18.52%) while only 1 female was affected with the prevalence of (4.76%) X2 cal = 36.57 at P=0.05 and 2df. Prevalence was recorded in adult of 14.29% while young horses recorded a prevalence of 10.00%, X2 cal = 36.84 at P=0.05 Strongyles and Oxyuris spp were recognized as important geohelminth parasites in Horses in Dutsinma Local Goverment Area of Katsina State with various rates of infection (12.50%). Managerial control tools should be integrated to improve prevention of geohelminth parasites by communication, information and health education.
Escherichia coli infections and poor nutritional status have implications on the growth and development of children under five years, physically, mentally and health wise with consequences such as diarrhoea, stunting, wasting, underweight and often times leading to death, depending on their severity. This study evaluated the antibiogram of Escherichia coli O157 and Verocytotoxigenic Escherichia coli (VTEC)and the nutritional status of diarrhoeic children under five years in Kaduna State, Nigeria, using Conventional isolation methods, latex agglutination tests, VTEC-ELISA tests, Chi-square (SPSS Version 19) and WHO Antro (Version 3.2.2). Purposive sampling was used to select 350 children presenting with diarrhoea in six government hospitals within the three senatorial zones of Kaduna State. The results obtained revealed that 76(21.7%) of the 350 stool samples were positive for E. coli and 28(36.8%) were positive for E. coli O157:H7serotype and 1(1.3%) verocytotoxigenic E. coli (VTEC) serotype. High susceptibility to ciprofloxacin, chloramphenicol and high resistance to sulphamethoxazole, cefotaxime, amoxicillin, gentamicin and tetracycline by the isolates were observed. The study concluded that antibiotics have not been very effective in the treatment of E. coli-related diarrhoea, with VTEC now emerging in this part of the world, making it a serious public health issue. The study therefore recommends the implementation of programmes geared towards good hygiene, good nutrition and good health.
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