6 research outputs found
Antibiotics Resistance Pattern of Coliform Bacteria Isolated from Slaughterhouse Wastewater in Jega Town, Kebbi State, Nigeria
Wastewater is an essential reservoir of pathogenic bacteria, which include resistant strains. This study determined the antibiotics resistance pattern of Coliform bacteria isolated from slaughterhouse wastewater in Jega local government. Five different samples of wastewater from different locations of a slaughterhouse were collected using standard sample collection techniques. Coliform bacteria were isolated using the standard microbiological method. The total bacterial count was determined using plate count agar. Suspected coliforms were identified based on morphological and biochemical tests. Antimicrobial susceptibility testing was carried out using the standard disc diffusion method. The highest bacterial count (8.4x102 CFU/ml) was observed from the wastewater collection point, and the lowest bacterial (1.2x102 CFU/ml) count from the slaughtering point. Three Gram-negative bacteria, Escherichia coli, Pseudomonas aeruginosa, and Enterobacter aerogenes, were identified. Escherichia coli was the most frequently isolated in slaughterhouse wastewater 39 (45.8%). Among the antibiotics tested against isolated bacteria, Septrin was the most resistant antibiotics recorded against E. coli and E. aerogenes with 84.61% and 88.89% resistant, respectively. Pseudomonas aeruginosa was found to show higher resistance to Chloramphenicol and Septrin with 84.21% resistance each. The occurrence of antibiotic-resistant bacteria from slaughterhouse wastewater showed the risks associated with antimicrobial drug resistance transferred from food-producing animals to humans. Management concerns, such as local government health officers and community development officers, should increase the sensitization of slaughterhouse workers by organizing conferences or conducting radio talk to educates these slaughterhouse workers on the treatment of slaughterhouse wastewater and health risk associated with antimicrobial-drug resistance transferred from animals to humans
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A review of using porous ashalt pavement as an alternative to conventional pavement in stormwater treatment.
Porous asphalt has been used for than 50 years, but it was originally developed in 1970 at Franklin institute in Philadelphia, Pennsylvania and by 1974 the first formalized procedure was created by the federal highway administration to design mixtures. Many researches on porous asphalt mixture have been conducted for the past two decades. However, there remains some concern about the potential adverse impacts of infiltrated surface water on the underlying groundwater. This paper is a review of the use of porous asphalt pavement. In this study, a critical review on history and benefits is presented followed by review of general studies of using porous asphalt pavement, and some recent scientific studies that examine potential contamination of soil and groundwater due to infiltration systems. The researches indicate that porous asphalt pavement is more efficient than conventional pavements in terms of retaining pollutants, improving the quality of water and runoff while maintaining infiltration
Natural multi-occurrence of mycotoxins in rice from Niger State, Nigeria
Twenty-one rice samples from field (ten), store (six) and market (five) from the traditional rice-growing areas of Niger State, Nigeria were analysed for aflatoxins (AFs), ochratoxin A (OTA), zearalenone (ZEA), deoxynivalenol (DON), fumonisin B1 (FB1) and B2 (FB2), and patulin (PAT) by thin-layer chromatography (TLC) and high-performance liquid chromatography (HPLC) respectively. T-2 toxin was determined using TLC only. AFs were detected in all samples, at total AF concentrations of 28–372 μg/kg. OTA was found in 66.7% of the samples, also at high concentrations (134–341 μg/kg) that have to be considered as critical levels in aspects of nephrotoxicity. ZEA (53.4%), DON (23.8), FB1 (14.3%) and FB2 (4.8%) were also found in rice, although at relatively low levels. T-2 toxin was qualitatively detected by TLC in only one sample. Co-contamination with AFs, OTA, and ZEA was very common, and up to five mycotoxins were detected in a single sample. The high AF and OTA levels as found in rice in this study are regarded as unsafe, and multi-occurrences of mycotoxins in the rice samples with possible additive or synergistic toxic effects in consumers raise concern with respect to public health
Investments and Unemployment Nexus in Nigeria: an Application of Vector Error Correction Model (VECM)
The main objective of this paper is to examine the nexus between investments and unemployment in Nigeria using data for the period of 1991 to 2019 and employed VECM to realize the objective. Result from VECM estimation revealed that domestic and foreign investments were negative and significantly associated with unemployment while economic and population growths had significant positive relationship with unemployment in the long-run with all the short-run coefficients were insignificant. Therefore, it is recommended that government should provide conducive investment atmosphere for foreign investors in order to attract foreign investment in the country since it has negative impact on unemployment. On the other hand, access to finance at a subsidized interest rate to domestic investors should be one of the top policy priorities because high cost of borrowing reduces the opportunities for domestic investment and investors in the real sector of the economy should be considered for taxes concession basically due to the sector’s direct effect on employment in the country. More so, population growth checking measures should be re-emphasized and by so doing it will go a long way in reducing the rate of unemployment in country
Antibiotics Resistance Pattern of Coliform Bacteria Isolated From Slaughterhouse Wastewater in Jega Town, Kebbi State, Nigeria
Wastewater is an essential reservoir of pathogenic bacteria, which include resistant strains. This study determined the antibiotics resistance pattern of Coliform bacteria isolated from slaughterhouse wastewater in Jega local government. Five different samples of wastewater from different locations of a slaughterhouse were collected using standard sample collection techniques. Coliform bacteria were isolated using the standard microbiological method. The total bacterial count was determined using plate count agar. Suspected coliforms were identified based on morphological and biochemical tests. Antimicrobial susceptibility testing was carried out using the standard disc diffusion method. The highest bacterial count (8.4x102 CFU/ml) was observed from the wastewater collection point, and the lowest bacterial (1.2x102 CFU/ml) count from the slaughtering point. Three Gram-negative bacteria, Escherichia coli, Pseudomonas aeruginosa, and Enterobacter aerogenes, were identified. Escherichia coli was the most frequently isolated in slaughterhouse wastewater 39 (45.8%). Among the antibiotics tested against isolated bacteria, Septrin was the most resistant antibiotics recorded against E. coli and E. aerogenes with 84.61% and 88.89% resistant, respectively. Pseudomonas aeruginosa was found to show higher resistance to Chloramphenicol and Septrin with 84.21% resistance each. The occurrence of antibiotic-resistant bacteria from slaughterhouse wastewater showed the risks associated with antimicrobial drug resistance transferred from food-producing animals to humans. Management concerns, such as local government health officers and community development officers, should increase the sensitization of slaughterhouse workers by organizing conferences or conducting radio talk to educates these slaughterhouse workers on the treatment of slaughterhouse wastewater and health risk associated with antimicrobial-drug resistance transferred from animals to humans
Preclinical efficacy of African medicinal plants used in the treatment of snakebite envenoming: a systematic review protocol
Background: Snakebite envenoming (SBE) is a high-priority, neglected, tropical disease that affects millions of people in developing countries annually. The only available standard drug used for the treatment of SBE is antisnake venom (ASV) which consists of immunoglobulins that have been purified from the plasma of animals hyper-immunized against snake venoms. The use of plants as alternatives for treatment of poisonous bites particularly snakebites is important in remote areas where there might be limited, or no access to hospitals and storage facilities for antivenom. The pharmacological activity of some of the medicinal plants used traditionally in the treatment of SBE have also been scientifically validated. Method: A systematic review will be conducted according to the Collaborative Approach to Meta-Analysis and Review of Animal Data from Experimental Studies checklist for study quality in animal/in vivo studies. The tool will be modified and validated to assess in vitro models and studies that combine in vivo and in vitro studies. The systematic review will be reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. English published articles on African medicinal plants used in the treatment of snakebite envenoming will be searched in Medline, Embase, and Scopus from 2000 to 2021. Dissemination: The findings of the study will be communicated through publication in peer-reviewed journal and presentation at scientific conferences. Medicinal plants have been important sources for the development of many effective drugs currently available in orthodox medicine. Botanically derived medicines have played a major role in human societies throughout history. Plants components used in traditional medicine gained much attention by many toxinologists as a tool for designing potent antidotes against snake envenoming. Our systematic review will provide a synthesis of the literature on the efficacy of these medicinal plants. We will also appraise the prospects of African medicinal plants with pharmacologically demonstrated activity against snakebite and envenoming