Articles
Page 4 of 1256, showing 50 records out of 62755 total, starting on record 151, ending on 200
African Journal of Agricultural Research
Growth performance and carcass composition of African catfish (Clarias gariepinus Burchell, 1822) fed on black soldier fly (Hermetia illucens Linnaeus, 1758) larvae based diets
March, 2023
A 12-week feeding trial was conducted to evaluate the effects of replacing fishmeal with black soldier fly larvae (BSFL) meal on growth performance and carcass composition of African catfish fingerlings. Five isonitrogenous (40% CP) diets of 0 (Control), 25, 50, 75 and 100% fishmeal with BSFL were used in triplicate. A randomized complete block design was used, and 600 fingerlings (0.46±0.02g) were randomly...
International Journal of Biotechnology and Molecular Biology Research
The value of Vitellaria fruit pulp beyond energy and heat generation
January-June 2023
The shea nut pulp (SNP) has been used minimally for energy and heat generation. There is increased generation of SNP as waste during the processing of the shea nut fruit (SNF) to butter. Although the pulp is sweet and eaten by human and birds, there is paucity of information on the composition and potential uses of the SNP. This study investigated Vitellaria fruit pulp for their total solids and biochemical components....
African Journal of Microbiology Research
ICU COVID-19 patients with bacterial and fungal super-infections in Saudi Arabia
March 2023
Bacterial and fungal infections in COVID-19 patients were reported all over the world. A retrospective study was conducted to determine the prevalence of bacterial and fungal superinfections in COVID-19 positive patients between April 2020 and December 2021. This research included patients admitted in a specialized medical center in Saudi Arabia. A total of 2643 patients with confirmed diagnosis of COVID-19 via reverse...
Journal of Media and Communication Studies
Looking for low-key: Noir and Neo-Noir from a cinematographic perspective
January-March 2023
Film Noir has always been an elusive category, determined by vague definitions. Even scholarly work has its focus on thematic connections, and standards of tone and mood and periodization of both ‘classical noir’ and ‘neo-noir’ has always been problematic. Kathrina Glitre and Patrick Keating have championed an approach that categorizes ‘noir’ as a visual category, determined by...
African Journal of Agricultural Research
Biochar as an alternative to improve the in vitro environment for Pitaya (Hylocereus undatus Haw) and strawberry (Fragaria x ananassa Duch) growing
March, 2023
In vitro cultivation is widely used for micropropagation of several plant species; however, the increase in the gas concentration, such as ethylene gas, inside the growth vials can cause physiological changes. Thus, 4 experiments were carried out at the Federal University of Minas Gerais to evaluate the biochar use from sugarcane bagasse in vials with or without caps with porous membrane in the in vitro growing of...
African Journal of Pharmacy and Pharmacology
Bioactivities of Picrasma javanica Blume. leaf extract
March 2023
Picrasma javanica Blume. is locally known as Nilghanta. Traditionally, the plant is used as an anti-pyretic. The aim of this study was to determine the biological properties of P. javanica leaf extract. The writhing test and tail flick response were determined to assess peripheral and central analgesic activities, respectively. Castor oil was fed orally to induce diarrhea in the test animals. Paw edema method was...
African Journal of Biotechnology
Evaluation of the grain yield performance of 5 soybean genotypes in Mozambique using the GGE Biplot method
March 2023
Soybean is a peculiar crop due to its photoperiod sensitivity. The introduction of this crop to a new production region requires a detailed study of its adaptability to select the best genotypes with high production stability for the region. In Mozambique, the demand for soybean grain has been growing. However, national production is low due to little knowledge of the performance of genotypes. The objective of this...
Journal of Neuroscience and Behavioral Health
Gender-based violence and associated factors among high school female students in Ethiopia: Systematic review and meta-analysis
January-June 2023
Gender-based violence is a serious public health problem. The prevalence of sexual violence against female students in Ethiopia has not been systematized, according to many dispersed studies. Therefore, the purpose of this systematic review and meta-analysis estimate cumulative prevalence of sexual violence and associated factors among high school female students, in Ethiopia. A systematic review and meta-analysis...
African Journal of Agricultural Research
Typologies of pineapple-based farming systems in Centre-Cameroon
March, 2023
The high diversity in pineapple fields and farmers provide huge challenges in farm management in already dwindling pineapple production sector in the center region of Cameroon. A first step to overcome these production challenges is to manage the afore-mentioned diversity to a reasonable level without loss of detail and specific management interventions for each category or typology proposed. Field surveys were...
Journal of Electrical and Electronics Engineering Research
Optimal power flow solution using HFSS Algorithm
January-June, 2023
The optimal power flow is a pragmatic problem in a power system with complex behavior that includes many control parameters. Many metaheuristic algorithms with different search methodologies have been proposed for solving the OPF problem. However, existing algorithm faces challenges such as stagnation, premature convergence, and local optima trapping during the optimization process, which provide low-quality and...
African Journal of Biotechnology
Chemical components of the volatile and non-volatile extractives of Croton species and their microbial activities
March 2023
Essential oil compounds of Croton pseudopulchellus and Croton gratissimus were analysed using Gas Chromatography/Mass Spectrophotometry and screened for antimicrobial activity against Bacillus pimilus (ATCC 29212), Bacillus cereus (ATCC 10702), Staphylococcus aureus (ATCC 3983), Streptococcus faecalis (ATCC 29212), Escherichia coli (ATCC 4983), Klebsiella pneumoniae (ATCC 2983) and Pseudomonas aeruginosa (ATCC 19582)...
Educational Research and Reviews
Sustainable interior design learning during the Covid-19 era: From theory into practice
March 2023
The three pillars of sustainability, social, environmental and economic developments, are global trends in education. The emergence of the COVID-19 pandemic is a critical indication of nature's resistance. Developing a sustainable interior design learning approach is not a prerequisite for a sustainable education perspective but may bring solutions to environmental concerns. Therefore, developing a curriculum for...
Journal of Agricultural Extension and Rural Development
Assessment of rural women participation in farmers’ multipurpose cooperatives: The case of Agarfa District, Bale Zone, Oromia Region, Ethiopia
January-March 2023
Rural women face different obstacles in joining and being active participants in typically male dominated farmers’ cooperatives. The purpose of this study was to assess factors affecting rural women’s participation in multipurpose cooperatives in the Agarfa district. A multi-stage sampling technique was used to select 204 women members of the multipurpose farmer’s cooperatives from whom data were...
African Journal of Agricultural Research
Artificial intelligence and deep learning based technologies for emerging disease recognition and pest prediction in beans (phaseolus vulgaris l.): A systematic review
March, 2023
Artificial Intelligence (AI) and deep learning have the capacity to reduce losses in crop production, such as low crop yields, food insecurity, and the negative impacts on a country’s economy caused by crop infections. This study aims to find the knowledge and technological gaps associated with the application of AI-based technologies for plant disease detection and pest prediction at an early stage and recommend...
Journal of Engineering and Technology Research
The impact of electronic-electrical waste on human health and environment: A systematic literature review
January-June, 2023
Sub-Saharan Africa has become one of the leading destinations for used equipment or Electronic-Electrical waste (e-waste-or-EEW) from developed economies, making its management more urgent than ever. Most studies have articulated the serious impact of e-waste disposal to the environment and public human health. Little attention or consideration has been devoted to the management of e-waste in Uganda despite the...
African Journal of Microbiology Research
Aflatoxins contamination in raw and roasted cashew nuts in Mtwara, Tanzania
March 2023
The aim of this work was to determine the contamination levels of raw and roasted cashew nuts sold in Masasi and Newala districts of Mtwara region in Tanzania. A total of 60 samples including 40 roasted (24 samples from Newala and 16 from Masasi) and 20 raw samples (12 from Newala and 8 from Masasi) were collected. Determination of total aflatoxins levels in raw and roasted cashew nuts samples was carried out by immune...
African Journal of Agricultural Research
Exploration of challenges and associated recommendations to livestock sector development in South Africa using a stakeholder-driven approach
March, 2023
Development of the livestock sector in South Africa has the potential to contribute significantly to national development. The aim of this study was to explore challenges and propose recommendations to support livestock sector development in South Africa using a stakeholder-driven approach. Interviews with high-level stakeholders across major livestock industries were conducted to gather insights. Responses were...
African Journal of Business Management
The effect of participatory project design on project success in government funded project in Uganda: A case study of parish development in Kabale District
March 2023
The objective of this study was to examine the effect of participatory project design on project success in a government-funded project in Uganda, a case study of Parish Development in Kabale District. A cross-sectional survey was done. 75 respondents provided information, and we integrated quantitative and qualitative analysis. The analysis was conducted on three separate levels and included descriptive, bivariate, and...
Journal of Horticulture and Forestry
Rooting African Sandalwood stem cuttings using low-cost technology employed in the commercial propagation of Camellia sinensis in Kenya
January-March 2023
Osyris lanceolata (African Sandalwood) is endangered in the wild due to poor natural regeneration and over-exploitation for the highly valued sandalwood oil. The domestication of O. lanceolata is hampered by erratic and unreliable supply of seeds. A study on the rooting of O. lanceolata stem cuttings was conducted using a low-cost technology employed in commercial rooting stem cuttings of tea bushes (Camellia sinensis)...
African Journal of Food Science
S.W.O.T. diagnosis of the production system of dried mango slices produced in the North of the Côte d'Ivoire
March 2023
The study aimed to characterize the production system of dried mango slices in Côte d'Ivoire. The objective was to assess the production environment of dried mango slices sold on the national and international markets. To do this, a non-participant observation and a semi-directive interview were carried out using an observation grid (description of the different production operations) and an interview guide...
African Journal of Mathematics and Computer Science Research
Curriculum development and evaluation: New dimensions to enriching Mathematics Education
in Nigeria
January-June, 2023
This paper makes a case for curriculum development and evaluation. It emphasized the new dimensions to enrich mathematics education in Nigeria. The paper therefore examined the meaning of curriculum. It highlighted issues involved in planning the mathematics education curriculum such as purpose of the curriculum, current knowledge level of students and materials. Also, it examined the practical aspect of developing the...
Journal of Medicinal Plants Research
Effects of millet on calcium oxalate crystal growth and dissolution
March, 2023
The influence of aqueous extract of millet on the crystallization and the dissolution of calcium oxalate (CaOx) crystals were investigated in detail under supersaturated and artificial urinary circumstances in order to understand the effect of the water-soluble components of millet on CaOx kidney stones in humans. To investigate the inhibition effect, different volumes of millet extract were added separately to the...
Journal of Agricultural Extension and Rural Development
“It All Goes Back to Trust”: A qualitative exploration of extension professionals’ perceptions of COVID-19 vaccines in rural Florida
January-March 2023
While urban communities experienced high levels of infection at the onset of the COVID-19 pandemic, rural communities experienced an increase of confirmed cases during the fall months of 2020. Rural Americans were also among the most hesitant to receive the COVID-19 vaccine. The purpose of this study was to explore the perceptions of [State] extension professionals related to the COVID-19 vaccines in rural communities....
Journal of Development and Agricultural Economics
Characterising agricultural holdings in Uganda: Inputs to improving policy formulation
January-March 2023
This manuscript shows a characterisation of critical agricultural household features that are fundamental for performance of agricultural activities in Uganda. Data from the 2018 Annual Agricultural Survey show that these households are exposed to a series of circumstances that make agriculture a challenging enterprise to undertake, but at the same time essential for subsistence. These challenges are mainly associated...
African Journal of Pharmacy and Pharmacology
Cannabis and regulatory science: A review of challenges in Africa
March 2023
To some Cannabis is antisocial anathema, to others it is a harmless sedative-hypnotic, or narcotic analgesic and to others it occupies a cultural position as religious sacrament. Some fear its use leads to psychosis and addiction; to others still it is a legal anomaly and should be decriminalized. Whatever the case may be, in Africa where Cannabis is a recreational drug. It is caught in a bizarrely legal and regulatory...
African Journal of Agricultural Research
Impacts of farmer field schools on food security and environmental conservation in Western Kenya
March, 2023
This study assessed the impacts of Farmer Field Schools (FFS) on household food security and environmental conservation in the Western Province of Kenya. The outcome variables were: Maize yield per acre, income per acre, household food insecurity score and environmental conservation score. Principal component analysis and propensity score matching techniques were used for analyses and regression method to test the...
Journal of Parasitology and Vector Biology
Prevalence and risk factors of intestinal parasitic infections in school-aged children in the urban area of Abobo, Abidjan, Côte d’Ivoire
January-June 2023
Helminths and intestinal protozoa infections causes considerable human morbidity in low and middle-income countries. Determining the prevalence of intestinal parasites is necessary to define control strategies. In March and April 2019, we conducted a cross-sectional survey involving 350 schoolchildren living in urban area of the commune of Abobo, in Abidjan, in Côte d’Ivoire. Stool samples were obtained from...
African Journal of Microbiology Research
Molecular cloning and functional research in drug-resistance of transposase gene in Burkholderia pseudomallei
March 2023
Transposons are widely used in genetic engineering research and play an essential role in microbial drug resistance research. Transposase is the key to constructing efficient transposons, but no studies have reported transposons in Burkholderia pseudomallei. In this study, a new transposase gene was cloned and identified from HNBp001 isolated from Hainan province. Blast and phylogenetic tree analysis showed that the...
African Journal of Agricultural Research
Determination of import demand of wheat in Kenya; A time series analysis from 2000 to 2019
March, 2023
Trade influences economic growth and entails imports and exports. In Kenya, wheat imports have been expanding with no sign of slowing down and this has become a matter of great concern because the country is losing over 30 billion Kenyan shillings in importing wheat on a yearly basis. This motivated the need to estimate wheat import demand model, which was conducted using secondary time series data from 2000 to 2019....
African Journal of Environmental Science and Technology
Ecosystem modification and land use change in South East Nigeria: Realities and prospects for conservation
March 2023
Ecosystem modification is increasing in scale and presents the need to provide suitable conservation strategies to address dearth in policy guidelines. This work elucidated the dynamics of land use change, prevalent forest use and policy, and conservation strategy. Geometrically rectified satellite imagery data were processed for 40 years; covering three epochs. Questionnaires were distributed across four locations: 50...
Journal of Medicinal Plants Research
Amazonian andiroba oil (Carapa guianensis Aubl.) minimizes the formation of postoperative adhesions in the uterus and ovaries of sheep
March, 2023
Postoperative adhesions (POA) are postsurgical fibrinolytic connections that can cause complications, and alternative materials have drawn attention to their prevention. The aim of this study is to evaluate the effect of andiroba oil in preventing POA in the uterus and ovaries of sheep. Sixteen female Santa Inês adult sheep were randomly divided into two groups, a control group (CCG) with eight of them submitted...
African Annals of Thoracic and Cardiovascular Surgery
Management of axillary artery injuries at the University Hospital of Tengandogo: Report of two cases
March 2023
Early repair of axillary artery injuries is a key decision that can minimize the potential for mortality and severe morbidities. The authors report two cases of major traumas of the shoulder that lead to axillary artery injuries. The case 1 is a 30 years old police man who presented explosion of the left axillary artery due to gunshot. A revascularization Dacron tube was successfully performed. The case 2 was aged 36...
International Journal of Livestock Production
Distribution and relative abundance of pig breeds in South-Western Agro-ecological Zone, Uganda: Status of locally adapted pigs
January-March 2023
A cross-sectional study was conducted in five districts in South Western Agro-Ecological Zone (SWAEZ), Uganda, to map pig breed distribution and determine their abundance and population structure. Purposive and snowball sampling methods were used to identify pig farmers whose pigs were included in the study. Pig breeds were identified using the NAADS user guide on pig husbandry. The breeds that were properly identified...
African Journal of Mathematics and Computer Science Research
Degree of vertices and number of edges in a mixed graph
January-June, 2023
In the study of a graph theory, degrees of vertices and number of edges are among the important theoretical terms that are helpful in showing discrete structures and their properties. This study attempts to present the relationship between number of edges and degrees of vertices in a mixed graph. Key words: Graph, directed graphs, undirected graphs, mixed graph, degree of vertex, number of edges.
African Journal of Agricultural Research
Design optimization of communal solar powered irrigation system
March, 2023
Communal solar-powered irrigation systems (SPIS) have the potential for sharing the upfront costs hence encouraging farmers to adopt irrigation. Conventional methods of sizing photovoltaic water pumping (PVWP) system for irrigation consider the hydraulic energy requirement by the pump and PV generator capacity separately from the available water source capacity. As a result, the potential of the technology is not...
International Journal of Physical Sciences
Mannheim partner curves in the special linear group
January-March, 2023
In this study, we state some basic results about the geometry of the special linear group SL(2,R), seen as a subset of in terms of the left invariant fields, such as bracketing, Levi Civita connection ∇ and Riemann curvature tensor R, we give some basic theorems for Mannheim partner curves in the special linear group. We also find the relations between the curvatures and torsions of these...
Journal of Medicinal Plants Research
Phytochemical screening and gas chromatography-mass spectrometry analysis of Euphorbia ingens organic root extract
March, 2023
Euphorbia ingens is a woody, succulent tree with ethnomedicinal applications; however, its chemical constituents are not well documented. This study determined the phytochemical profile of Euphorbia ingens dichloromethane-methanol root bark extract. Following sample collection and preparation, extraction was done using the cold percolation technique. This was followed by qualitative phytochemical screening and gas...
Journal of Medicinal Plants Research
In vivo hypotensive activity on the albino’s rat and in vitro antioxidant activities of aqueous extract from Guibourtia tessmannii (Harms) J. Leonard (Cesalpiniaceae) stem barks
March, 2023
In Central Africa, stem bark from Guibourtia tessmannii is used in traditional pharmacopeia for the treatment of hypertension. The aim of this study was to scientifically verify the traditional use in the treatment of metabolic pathologies such as arterial hypertension and evaluated its pharmacological potential. Phytochemical tests were evaluated by standard method of laboratory. Antioxidant activities were determined...
African Journal of Food Science
Influence of processing methods on the sensory acceptability of products from selected hybrid plantains (Musa species AAB) cultivars
February 2023
High-yielding and disease-resistant hybrid plant cultivars recently developed by breeders need evaluation for end-use. This study evaluated the influence of processing methods on the sensory acceptability of products (plantain chips, fried ripe plantains called “dodo” in Nigeria, boiled unripe and ripe plantains, and "amala," a dough, as it is called in Nigeria when unripe and ripe plantain flour...
African Journal of Bacteriology Research
Characterizing sweet potato RDR, AGO and DCL genes and potential involvement in defense against virus infections in sweet potato
January-June 2023
Characterizing anti-virus genes in sweetpotato is a vital step in mitigating yield loss due to virus infections. This work lays an insight into the structure and expression of key anti-virus genes. Related plant-based anti-virus genes were used as reference to mine key sweetpotato genes from various databases. BLASTN and BLASTP for transcripts was done for evaluation of phylogenetic relationship. Eight genes were...
African Journal of Agricultural Research
Coping with catastrophe: Crop diversity and crop production in Tigray National Regional State in Northern Ethiopia
March, 2023
Tigray, the most northern of Ethiopia’s ethnically based regional states, covers an area of 53 386 km2 and has a population exceeding 5.17 million of whom some 24.3% are urban dwellers. Wide agroclimatic variations result from altitudinal differences (600 to 3000 m) and rainfall patterns. The area is a center of origin of many cultivated and wild plants. The mainly agricultural rural population, farming small...
International Journal of English and Literature
Children’s literature in the new millennium: A review of research
January-March 2023
Children’s literature is an indispensable educational tool that helps children develops essential competencies. It provides new knowledge about various life issues, enriches children’s vocabulary, offers emotional support, and enhances communication skills. Traditional children’s literature exposes children to circumstances they may face, such as stories of morality, education, ethics, and other...
African Journal of Food Science
Production practices of table salt by small-scale miners in Tanzania: A case study of Nkonkilangi, Singida, Tanzania
February 2023
In Tanzania, a small-scale salt enterprise supplies salt which is mainly consumed within the country. However, the producers often lack appropriate production knowledge. The purpose of this study was to assess salt processing and handling practices at Nkonkilangi village in Singida region, Tanzania. A cross-sectional study design was used to collect data. Scheduled interviews with 63 out of 100 producers were conducted...
African Journal of Pharmacy and Pharmacology
Prevalence and possible psychoactive effects of hair cream use among students
February 2023
In the last decade, there have been different mental health challenges among students due to academic stress, especially during examinations. This has led to the need to explore the relationship between psychoactive ingredients, behavioral responses and academic stress in relation to the use of hair creams. The objectives of the study were to identify hair creams containing psychoactive ingredients in use by female...
International Journal of Physical Sciences
Indoor ionizing radiation measurement in different departments of the Federal University of Technology Owerri
January-March, 2023
The indoor background ionizing radiation of various offices of the various departments in Federal University of Technology, Owerri (FUTO) was estimated in this study. This was conducted using a well calibrated digital Geiger - Muller Counter (GCA - 04W). The highest value measured was 0.0873 ± 0.1432 µSv/h while the lowest value was 0.0006 ± 0.0001 µSv/h with an average value of 0.0052 ±...
African Journal of Environmental Science and Technology
Pollution assessment of light rare earth metals in sediments of the Ogun River
February 2023
This research was aimed at determining the concentrations of light earth metals in sediments of the Ogun River as well as their pollution and contamination status. Sediment samples collected using a graduated hand held sediment grab were stored in polythene bags and transported to the laboratory in an ice chested cooler. At the laboratory, the sediment samples were air dried, pulverized and sieved. Induced Couple Plasma...
African Journal of Agricultural Research
Effects of corn-pea mixture and harvesting days on forage yield and quality
February, 2023
The objective of this study was to assess the effect of mix-cropping, Yangtsepa corn variety with legume Sesbania, and single cropping on the forage yield and quality at 60-, 90-, and 120-days harvest. Randomized Complete Block Design (RCBD) with three replications was used as an experimental design. The corn and pea were line sown at 20 cm apart with a seed ratio of 50:50. The results showed higher corn forage yield...
African Journal of Pharmacy and Pharmacology
Acute and sub-acute toxicity evaluation of aqueous stem bark extract of Zanthoxylum Zanthoxyloides (Lam.) in male Albino Wistar rats
February 2023
Zanthoxylum zanthoxyloides has been used for decades in traditional medicine across West African countries to treat several ailments such as malaria and pain. However, sometimes it is used without information on its toxicity level. This present work aimed to explore the toxicity level of Zanthoxylum zanthoxyloides bark aqueous extract (AZZ) on albino Wistar rats after single and repeated administrations. For the acute...
African Journal of Microbiology Research
Antimicrobial susceptibility profile of Enterococcus species isolated from cows with clinical mastitis and from bulk milk tanks in Brazil
February 2023
Vancomycin-resistant enterococci (VRE) have been reported as a major hazard to human and animal health, causing problems like clinical mastitis in dairy cattle and nosocomial infections in humans. The aim of this study was to determine the in vitro microbial susceptibility profile of enterococci isolated from dairy farms in São Paulo and Minas Gerais states, Brazil. A total of 310 samples of Enterococcus species...
African Journal of Agricultural Research
Role of income from rice cultivation on livelihoods of rice farmers: Evidence from Ahero Region, Kenya
February, 2023
In Africa, the demand for rice has increased rapidly as urbanization progresses and assistance is being provided to improve productivity and rice farming management. In the rice-cultivation area near Lake Victoria in western Kenya, where farmers are called “outgrowers”, wage labor costs put pressure on rice farming and reduce profits. However, wage laborers were rice farmers living in the same area. The...
Page 4 of 1256, showing 50 records out of 62755 total, starting on record 151, ending on 200
