Articles
Page 2 of 1282, showing 50 records out of 64066 total, starting on record 51, ending on 100
African Journal of Environmental Science and Technology
Assessment of physicochemical water quality in the Sangomar marine protected area before oil exploitation of the Sangomar offshore field, Senegal
June 2025
The Sangomar Marine Protected Area (MPA), located approximately 50 km from the Sangomar oil field, has raised concerns regarding the potential impact of oil activities on its resources. This study aims to determine the quality of the MPA's waters prior to the commencement of oil exploitation. Samples were collected at three locations of ecological importance and accessibility (Bakina, Sofna, and Djiffer) during both...
Journal of Cereals and Oilseeds
Effects of location, tillage and varieties on groundnut rust and leaf spot diseases in Mtwara, Tanzania
January-June 2025
In Tanzania, groundnut leaf rust (LR) (Puccinia arachidis), early leaf spot (ELS) (Cercospora arachidicola), and late leaf spot (LLS) (Cercosporidium personatum) diseases significantly reduce groundnut yields. This study aimed to determine the effects of location, tillage and variety on LR, ELS and LLS diseases. Location (Coastal zone (CZ), Coastal zone on station (CZ-OS), Eastern plateaux and mountain block...
Journal of Cereals and Oilseeds
Combining ability and maternal effects of QPM inbred lines for grain yield and other agronomic traits under low and optimum soil nitrogen environments
January-June 2025
One of the objectives of plant breeding is the development of high-yielding varieties under stress and optimum environments using different methods of plant breeding. The study was conducted to estimate combining ability and maternal effects of quality protein maize (QPM) for grain yield and other agronomic traits under low and optimum soil nitrogen environments. Crosses of 11 QPM inbred lines with five hybrid checks...
Journal of Computational Biology and Bioinformatics Research
A combinatorial firefly-differential evolution algorithm for biclustering analysis of gene expression data
January-June 2025
Biclustering algorithms are effective techniques for uncovering previously unknown facts, hidden in gene expression data. The usefulness of clustering algorithms for analyzing gene expression data has been limited because they partition data into mutually exclusive groups rather than real, overlapping gene sets. These gene sets can reveal novel insights helpful for disease diagnosis, prognosis and drug development. This...
Educational Research and Reviews
Intrinsic and extrinsic motivation as predictors of academic achievement and learning attitudes: Evidence from Omani schools
June 2025
This study aimed to examine the impact of intrinsic and extrinsic motivation on academic achievement and students' attitudes toward learning in Omani schools. The study was conducted in the academic year 2023/2024 with a randomly selected sample of 890 students from public and private schools across Oman. A quantitative research design was employed, utilizing survey questionnaires to measure intrinsic and extrinsic...
Educational Research and Reviews
Explanatory variables influencing outcomes in government standardized tests at the upper secondary level: A scoping review
June 2025
This study aims to synthesize findings on the variables that explain the results of government standardized tests at the secondary education level in educational institutions. A scoping review methodology was applied, following the PRISMA protocol, to identify and analyze 33 relevant academic articles retrieved from major scientific databases. A bibliometric analysis showed a steady increase in publications on the topic...
African Journal of Medical and Health Sciences
Rectal versus intramuscular diclofenac for pain relief following elective caesarean section at Alex Ekwueme Federal University Teaching Hospital Abakaliki: A randomized controlled trial
June 2025
Caesarean section (CS) is one of the most common major obstetric surgeries worldwide. Pain control is an integral part of recovery after caesarean section, and NSAIDs have been used in combination with opioids for postoperative pain management in recent times. This study was conceived to compare the efficacy of rectal diclofenac and intramuscular diclofenac as an adjunct to intramuscular pentazocine in the management of...
African Journal of Medical and Health Sciences
Women's experience of intimate partner violence during pregnancy and the associated factors: A qualitative study in Nigeria
June 2025
Pregnancy is often perceived as a joyous and celebratory time, but for many women, it can also be a period of heightened vulnerability. Intimate partner violence (IPV) is a global public health challenge affecting millions of pregnant women worldwide, threatening their physical and emotional well-being, as well as the health of their unborn child. This study aimed to explore the experiences of antenatal attendees and...
African Journal of Food Science
Evaluation of fatty acid composition and nutritional indices of selected edible oils in the Kenyan market
June 2025
Dietary fats play positive or negative roles in the development or management of non-communicable diseases, and this depends on their fatty acid profiles. This study evaluated the fatty acid profiles and associated nutritional indices of edible oils (palm olein, sunflower, corn, soybean and canola oils), fats and spreads in Kenya. Fatty acid profiles were analysed by gas chromatography (GC). Marked differences in the...
Journal of Agricultural Extension and Rural Development
Replanting as a moral hazard in subsidized crop insurance: Evidence from Deep South Madagascar
April-June 2025
Replanting is a common strategy for farmers in semi-arid areas to cope with extreme agroclimatic conditions and climate variability. This study investigates replanting among insured farmers in the Deep South of Madagascar, considering it as an adaptation strategy or a potential moral hazard influenced by financial risk mechanisms. Using both qualitative and quantitative approaches, the research examines the replanting...
Journal of Agricultural Extension and Rural Development
Analysis of factors influencing work motivation among extension agents in the Kano Agricultural Development Programme (Adp)
April-June 2025
The study analyzed the factors influencing the level of work motivation among extension agents in Kano. A multistage sampling technique was used to select extension agents and primary data were collected using structured questionnaires. Data were analyzed using descriptive and inferential statistics (ordered logit regression). Findings revealed that male extension agents dominated the majority (82.35%) of extension...
Journal of Agricultural Extension and Rural Development
Determinants of agricultural cooperative performance: Evidence from Ethiopia
April-June 2025
This study assesses the effects of member participation, credit access, management practices, and extension services on the performance of agricultural cooperatives in Ethiopia. Using survey data from 384 cooperative members and an ordered logistic regression model, it was found that member participation, management practices, extension services, and household income significantly improve cooperative performance. Higher...
African Journal of Agricultural Research
Antifungal activity of Trichoderma species and vermiwash against rice blast fungus (Magnaporthe oryzae)
June, 2025
Rice blast, caused by Magnaporthe oryzae, is a global fungal disease affecting rice. Fungicides are used to manage the disease, although they can harm the environment and human health. This study evaluates the antifungal efficacy of Trichoderma isolates (BG-1, SYA-E, BRO-2, SYA-C, EM-B) and vermiwash against M. oryzae using in vitro dual culture assays. Seven vermi-bacterial isolates from Eisenia fetida were analyzed...
African Journal of Agricultural Research
Pearl millet (Pennisetum glaucum) cultivation in the peanut center basin of Senegal: Human capital, agricultural equipment and means of storage
June, 2025
The production of pearl millet (Pennisetum glaucum) is strongly present in the cultivation systems of the peanut basin in Senegal. It occupies an important place in the agricultural production of the area. Unfortunately, the benefits of this crop are increasingly deteriorating due to a lack of seeds in terms of availability, a lack of agricultural materials in terms of availability and practical uses, inadequate storage...
African Journal of Agricultural Research
Enhancing lutein content in yellow-fleshed watermelon through potassium-driven regulation of lycopene ?-cyclase (LCYB) expression
June, 2025
Watermelon (Citrullus lanatus) is notably rich in carotenoids, with yellow-fleshed varieties containing high levels of lutein. Lutein accumulation is influenced by genetic, environmental, and cultivation factors. Potassium, a critical macronutrient for photosynthesis and metabolism, plays an unclear role in regulating lutein accumulation in watermelon. To investigate this, foliar sprays of varying potassium chloride...
Journal of Plant Breeding and Crop Science
Analysis of genetic diversity in sweet potato (Ipomoea batatas [L.] Lam) genotypes using morphological traits
April-June 2025
Sweet potatoes serve as an alternative carbohydrate source to mitigate rice shortages resulting from climate change. This study aimed to evaluate the genetic diversity of sweet potato agro-morphological traits. Seventy genotypes, along with two controlled trial treatments, were evaluated using augmented design at the Mechara Agricultural Research Center. Among the total genotypes assessed, 40.28% exhibited a commercial...
Journal of Plant Breeding and Crop Science
Combining ability study for grain yield and agronomic traits of quality protein maize (Zea mays L.) inbred lines adapted to mid-altitude agro-ecology of Ethiopia
April-June 2025
In spite of the importance of quality protein maize to alleviate protein deficiency, almost all maize varieties cultivated in Ethiopia are normal maize varieties, which are devoid of lysine and tryptophan. Perusing combining ability of QPM inbred for grain yield and its components is vital to design appropriate breeding strategies for the development of nutritionally enhanced maize cultivars. A line x tester analysis...
Journal of Ecology and The Natural Environment
Diversity, composition, and structure of two types of tropical rainforest: Evergreen rainforest and semi-deciduous rainforest in Cameroon
April-June 2025
The knowledge of forest floristic diversity is essential for assessing their health, as it impacts ecosystem services. The floristic diversity of 2 different forest types (moist evergreen and semi-deciduous) was assessed using the 25 m × 25 m quadrats method. The characterization of the forest types was based mostly on the species richness, floristic composition, and structural parameters of the stand, based on...
Journal of Ecology and The Natural Environment
Systematic review of environmental outcomes and social benefits of sustainable landscape design
April-June 2025
Sustainable landscape design (SLD) integrates ecological, social, and economic principles to create environmentally responsible and socially beneficial spaces. This systematic review examines the environmental outcomes and social benefits associated with sustainable landscape practices by analyzing literature across multiple disciplines, including environmental science, landscape architecture, urban forestry, and...
African Journal of Microbiology Research
Production of amylase by Aspergillus species isolated from potato peels and soil in Lagos, Nigeria
June 2025
Thirteen fungal isolates were obtained from potato peels and soil in Lagos State Nigeria and were tested for amylase production by starch hydrolysis test. Production of amylase was indicated by zone of clearance around the microbial growth. On the basis of the clearance, five out of the thirteen isolates with zone of clearance of diameter above 20mm were characterized, identified and selected for further studies on...
African Journal of Microbiology Research
Exploring the antimicrobial potential of marine seaweeds: A comprehensive review of bioactive compounds and their applications
June 2025
The global rise in antimicrobial resistance has heightened the quest for new and efficient antimicrobial agents. Marine seaweed is a rich source of several amino acids, fatty acids, and dietary fibers, as well as polysaccharides, polyphenols, pigments, and other active substances, which play crucial roles in various biological processes such as antioxidant activity, immunoregulation, and anti-inflammatory response....
African Journal of Microbiology Research
Antibacterial activity and host range of phage filtrates from soil and banana plant pseudostems targeting Xanthomonas vasicola pv. musacearum
June 2025
The phytopathogen Xanthomonas vasicola pv. musacearum causes Banana Xanthomonas Wilt (BXW), affecting banana yield and productivity. This threatens food security and livelihoods of populations reliant on bananas. Various agricultural practices aim to manage BXW, yet the disease persists, reducing banana yield and productivity. Bacteriophages are natural enemies of bacteria and offer a potential biocontrol solution. This...
African Journal of Microbiology Research
Microbial genes associated with methane metabolism in smallholder dairy cattle
June 2025
Methane gas is known for its negative environmental impact. To reduce negative methane gas released from dairy cattle, genes responsible for its production should be known and identified. A study with an aim of identifying the microbial genes responsible for methane gas release was undertaken. Samples of cattle’s stool on-farms (Lushoto and Rungwe districts of Tanzania) and a station-based (Kanyariri of Kenya)...
African Journal of Business Management
Evaluating the impact of “Sveti Vukašin” foundation's humanitarian initiatives on shopping habits using internet technology
June 2025
This research examines the impact of the "Sveti Vukašin" foundation’s humanitarian activities on the purchasing decisions of consumers in Trebinje, Bosnia and Herzegovina, using Internet technology. It explores how market-oriented humanitarian initiatives of the Orthodox church influence consumer behavior, aiming to promote products supporting these initiatives. The study investigates whether...
African Journal of Business Management
Sales-force knowledge domain, knowledge conversion, inter-functional coordination, and firm innovation performance
June 2025
This study examined the relationship between the sales force knowledge domain and knowledge conversion as predictors of firm innovation performance and the mediation role of inter-functional coordination in those respective relationships. It was based on a sample of 273 small and medium enterprises, where data was collected, using a self-administered questionnaire. Correlation and hierarchical regression analyses were...
Journal of Pharmacognosy and Phytotherapy
Antimalarial effects of Diospyros chamaethamnus and Guibourtia coleosperma extracts in mice with Plasmodium berghei malaria
April-June 2025
The development of effective antimalarials remains crucial due to ineffective treatments, increasing drug resistance, and restricted access to these drugs in resource-poor malaria-endemic countries. This study aimed to investigate the efficacy of Diospyros chamaethamnus and Guibourtia coleosperma based on their traditional uses. Efficacy of the extracts was evaluated against Plasmodium berghei in Swiss albino mice using...
African Journal of Biotechnology
Assessment of glycemic control and its determinants in diabetic patients at the National Reference University Hospital Center (CHU-RN) of N'Djamena
June 2025
Diabetes is a significant public health problem, and its prevalence is increasing sharply. Preventing complications requires adequate control of blood sugar levels. The objective of this study was to monitor biological markers for the comprehensive management of diabetics. Blood glucose and HbA1c measurements were performed using biochemical analyzers (PC400 and HemoCue HbA1c 501). A total of 115 patients were included,...
African Journal of Biotechnology
Assessment of the genetic diversity in putative cowpea mutants using hierarchical clustering and principal component analysis
June 2025
To provide insights for optimizing breeding programmes, including parental selection and hybridization strategies, the genetic diversity of 11 putative cowpea mutants was evaluated across two ecological zones in Ghana using hierarchical clustering and Principal Component Analysis (PCA). The objectives were to assess the extent of genetic diversity and identify distinct genetic groups, to identify how different...
African Journal of Biotechnology
Isolation and screening for amylase producing Penicillium species from soil samples
June 2025
Several microorganisms can degrade amylose (starch), but only a few produce substantial amounts of enzymes that can completely hydrolyze it. Fungi are the primary producers of amylase. This study aimed to screen Penicillium species isolated from soil at various sites within the University of Benin for their amylase production. Penicillium spp. were isolated by using serial dilution and pour plate methodology, then...
Journal of Horticulture and Forestry
Potato production in Ethiopia: Challenges, opportunities, and strategies for sustainable growth
April-June 2025
Potato (Solanum tuberosum L.) is a critical crop for food security and income generation in Ethiopia, particularly in highland regions. Despite a significant expansion in the cultivated area—from 200,000 ha in 2013 to 300,000 ha in 2023—productivity remains low at 12 tons per ha, far below the global average of 20 tons. Key challenges include limited access to quality seeds, poor soil fertility, inadequate...
International Journal of Biodiversity and Conservation
Seasonal changes in the size of the common hippopotamus groups in the Comoe National Park’s River, Northeastern of Cote d’Ivoire
April-June 2025
Mitigating escalating human-hippopotamus conflicts and climate warming-related threats to Hippopotamus amphibius raises the need for comprehensive ecological data to inform and develop conservation strategies across West African countries. This study evaluated seasonal trends in H. amphibius group size and its drivers along the Comoé River within Comoé National Park (CNP) in northeastern Côte...
Journal of Evolutionary Biology Research
Biological evolution cybernetics
January-June 2025
Biological evolution is a continuous process of transformation intimately linked with the environment. It is governed by neither random variations nor environmental dominance; instead, it actively targets the environment through the mechanism of automatic regulation. The formation of biological evolution and adaptability is an automatic regulation process. Organisms represent a strict yet highly flexible automatic...
Journal of Veterinary Medicine and Animal Health
Prevalence of parvovirus disease in pet dogs in two Greater Accra districts of Ghana
April-June 2025
This study was based on a survey conducted using an antigen capture test to assess exposure to parvovirus in pet dogs. The vaccination status and prevalence of parvovirus were surveyed in 277 pet dogs from the Ga East and Ga West districts of the Greater Accra Region of Ghana. The study was carried out at the Veterinary Clinic of the Biotechnology and Nuclear Agriculture Research Institute (BNARI), Ghana Atomic Energy...
Journal of Veterinary Medicine and Animal Health
Surgical management of fibroma durum in a stray dog
April-June 2025
This study describes the incidence, treatment, and prognosis of fibroma durum in a stray dog. A 5-year-old un-neutralized stray adult female dog was presented, weighing 18.2 kg, with a large, firm mass protruding at the ventral portion of the thoracic region. Needle aspiration of the mass revealed no clotted blood. Blood analysis showed a mild increase in erythrocyte sedimentation rate, mean platelet volume, aspartate...
Journal of Public Health and Epidemiology
Prevalence and associated factors of a positive Plasmodium falciparum antigen test among pregnant women at the Bamenda Regional Hospital, Cameroon: A cross-sectional analytical study
April-June 2025
Approximately 25 million pregnant women in sub-Saharan Africa are at risk of malaria despite various preventive methods. This study aimed to determine the prevalence of Plasmodium falciparum antigen and its associated factors in pregnant women in Bamenda. A hospital-based cross-sectional study conducted in March and April 2021 including pregnant women attending ANC at the Bamenda Regional Hospital. A questionnaire...
Journal of Public Health and Epidemiology
Co-creation of strategies and interventions to improve mobile-linked point-of-care diagnostics user experience in the South African Context: Nominal group technique
April-June 2025
User experiences are crucial for the sustainable development and implementation of mobile-linked point-of-care diagnostic technologies. The Nominal Group Technique (NGT) engages stakeholders to co-create strategies that improve the uptake of these technologies in community healthcare settings, particularly in disease-burdened and resource-limited contexts like South Africa. Stakeholders provide insights from social,...
International Journal of Sociology and Anthropology
Reclaiming the frontline in international non-governmental organizations (INGOs): Enhancing field-based decision-making in humanitarian operations
April-June 2025
Over the past three decades, the decision-making autonomy of field-based leaders in international non-governmental organizations (INGOs) has declined significantly due to increasing centralization, bureaucratic controls, risk-averse cultures, and donor-imposed compliance demands. Drawing on the author’s 30 years of humanitarian experience across multiple regions, this commentary critically reflects on the...
International Journal of Water Resources and Environmental Engineering
A review of trends in water management to optimize crop production
April-June, 2025
Climate change significantly impacts agriculture by increasing water demand, reducing crop productivity, and reducing water availability in areas where irrigation is most needed or has comparative advantage. Water for crop production continues to be threatened by population growth and competition with other sectors. These factors contribute to reduced water availability and a shift from increasing crop productivity per...
Journal of Development and Agricultural Economics
Exploring the effect of nonfarm activities on income inequality in Ethiopia
April-June 2025
This study examines the impact of nonfarm income on income inequality in Ethiopia, utilizing data from the Ethiopian Socioeconomic Survey (ESS) 2021/2022 and applying multiple analytical methods. The analysis includes Gini decomposition approaches, regression-based inequality decomposition, counterfactual simulations, and Lorenz curve comparisons. These methods provide a comprehensive understanding of how nonfarm income...
Journal of Accounting and Taxation
Tax revenue and sustainable real sector development in Sub-Saharan Africa: The moderating effects of accountability and corruption
April-June 2025
This study explores the impact of tax revenue on sustainable real sector development in Sub-Saharan African (SSA) countries, focusing on renewable energy consumption (REC) and infrastructural development (INFD). The study also interrogates the moderating roles of accountability and corruption on these relationships. Using an ex-post facto design and a sample of 34 countries from 2010 to 2023, secondary data were sourced...
Journal of Accounting and Taxation
The role of corporate governance in corporate tax avoidance during an over-taxation period
April-June 2025
This study investigates the possible relationship between corporate tax avoidance and corporate governance indicators, considering a range of selected financial indicators. The empirical part of this study examines the phenomenon of business tax avoidance in Greece from 2014 to 2018, during an over-taxation period with a heavy impact on households and businesses' budget constraints attempting to determine tax...
International Journal of Medicine and Medical Sciences
Acute kidney injury and associated factors among ICU patients at Arsi University Asella Hospital, Ethiopia
January-June 2025
Acute kidney injury (AKI) is prevalent in intensive care units (ICUs) worldwide. Although most cases are suspected to occur in resource-limited countries, there is a lack of comprehensive data on the prevalence of AKI in critical care settings in Ethiopia. This study aims to determine the prevalence and associated factors of AKI in adult patients admitted to the ICU at Asella Teaching and Referral Hospital in Southeast...
Journal of AIDS and HIV Research
Prevalence and risk factor of renal dysfunction among HIV patients on highly active antiretroviral therapy at the Buea Regional Hospital: A cross-sectional study in Cameroon
January-June 2025
Renal dysfunction is a significant global health issue, with varying prevalence across populations. In Africa, 2 to 41% of the general population and 11 to 25% of people living with HIV (PLHIV) experienced renal dysfunction in 2022. This study aimed to assess the prevalence and risk factors of renal dysfunction among HIV patients on highly active antiretroviral therapy (HAART) at the Buea Regional Hospital. This was a...
African Journal of Marketing Management
Consumers’ understanding of food label information and its impact on their purchase decision of fruit juice products: A cross-sectional study among Gondar city consumers, Ethiopia
January-June 2025
In today's world, food labels serve as a vital tool for companies to communicate effectively with consumers. Understanding whether consumers comprehend food label information, the type of information they seek, and how food label information influences their purchasing decisions can inform manufacturers' decision-making. Conversely, enhancing label attributes based on these factors enables consumers to make...
Educational Research and Reviews
Secondary school students’ perceptions of entrepreneurship education and career options in Zambia
May 2025
The central question of the study was “What are Zambian secondary school students’ perceptions of entrepreneurship and career options?” Quantitative data were collected using a Google form to collect students’ career options from 113 secondary school respondents and focus group discussions involving 40 students were used to determine in-depth students’ perceptions concerning the concept of...
Journal of Horticulture and Forestry
Bio-efficacy of different insecticides against onion thrips (Thrips tabaci Lindeman) in the Northwestern zone of Tigray
April-June 2025
The Onion crop is attacked by many insect pests, among these onion thrips is a major pest. The purpose of this study was to find the efficacy of different insecticides against thrip to improve the quality and quantity of onion production. Therefore, a field experiment was conducted to evaluate the insecticidal application and with frequency of application in 2017 and 2018 under irrigation conditions. The experiment was...
Medical Case Studies
Cholera infection case report: A pragmatic approach to effective remedy
January-June 2025
Cholera is known as an acute diarrheal disease that can be life-threatening in children, particularly under-five children. This study’s clinical observations found that it is equally lethal in young adults when prompt actions are not taken to combat the disease which is still a significant public health issue in Nigeria and West Africa, with outbreaks occurring in many communities. This case study focused on a...
African Annals of Thoracic and Cardiovascular Surgery
Thoracic trauma in sub-Saharan Africa: The case of Senegal in a prospective study of 295 patients
May 2025
In Africa, chest injuries are relatively common in emergencies and can be serious. Poverty and lack of access to specialized care play an important role in the prognosis. The development of certain social problems has increased the incidence of this condition in many countries. This study, conducted over a period of 4 years from January 1, 2015, to December 31, 2018, aimed to describe the general characteristics of...
African Annals of Thoracic and Cardiovascular Surgery
Optimal main pulmonary artery banding for the protection of the pulmonary vascular tree: A systematic review
May 2025
Main pulmonary artery banding can prevent irreversible increase in pulmonary vascular resistance (PVR) thereby facilitating subsequent definitive corrective or palliative surgery for congenital heart disease. The ideal pulmonary artery band (PAB) provides optimal pulmonary artery pressure reduction distal to the PAB while minimising operative and interstage mortality. Various hemodynamic and respiratory parameters are...
Scientific Research and Essays
Variations in the physical and chemical parameters of a tropical rainforest lake
April-June, 2025
Oguta Lake is a source of water supply and used for fishing activities in southeastern Nigeria. A study of the physicochemical parameters of Oguta Lake was made from April 2017 to March 2018. Water samples were collected monthly and analyzed for sixteen different physicochemical parameters. They include current, temperature, transparency, water depth, pH, electrical conductivity and dissolved oxygen which were measured...
Page 2 of 1282, showing 50 records out of 64066 total, starting on record 51, ending on 100
