Articles
Page 17 of 1276, showing 50 records out of 63764 total, starting on record 801, ending on 850
African Journal of Agricultural Research
Porter’s diamond model and Zimbabwe’s national competitiveness in the cut flower industry
September, 2023
Zimbabwe’s cut flower industry has declined over the past years. We determined the national competitiveness of Zimbabwe’s cut flower industry using Porter’s diamond model of competitive advantage in 2018 using a descriptive and exploratory design that made use of qualitative and quantitative research methods. Low numbers of key players in the industry forced researchers to administer questionnaires to...
African Journal of Agricultural Research
Soil moisture content and maize grain yield under conventional and conservation agriculture practices - results of short term field tests in Liselo, Namibia
September, 2023
This article focuses on the results from trials developed to monitor the short-term effects of conventionally tilled systems versus CA on soil quality and crop productivity under conditions of the major cropping systems in central, north-central and north-eastern regions of Namibia. Conventional tillage (CT), Minimum tillage (MT), Minimum tillage, mulch (MT-M), Minimum tillage, rotation (MT-R) and Minimum tillage, mulch...
African Journal of Agricultural Research
Intricacies of utilizing Turnitin tool in agricultural extension content writing in Nigeria
September, 2023
The study analyzed how Turnitin misjudges semantics used in agricultural extension writing in Nigeria. The paper applied thematic content analysis on 30 selected extension contents from Nigerian sources. Codes, percentage count and line graph were used in analysing data. The results show the inability of Turnitin to recognize agricultural extension semantics, such as, “The study was designed to…”, and...
African Journal of Agricultural Research
Zai pit combined with integrated nutrient management for improving soil aggregate stability, moisture content and microbial biomass in drylands of Eastern Kenya
September, 2023
This study sought to assess the impact of selected soil conservation and water harvesting technologies as promising options for alleviating soil moisture crisis, enhancing soil fertility and reducing soil erosion in the drylands of Eastern Kenya. An experiment was set up to investigate the responses of soil aggregate stability, moisture contents and soil microbial biomass carbon and nitrogen (SMBC and SMBN) to Zai...
African Journal of Agricultural Research
Effect of paddy sourcing methods on the volume of rice milled by small and medium-scale rice millers in Mwea, Kirinyaga County, Kenya
September, 2023
The purpose of the study was to determine the effect of paddy sourcing methods on the volume of rice milled by small and medium-scale rice millers in Mwea, Kirinyaga County, Kenya. Data were collected using semi-structured questionnaires from 90 small-scale millers and 70 medium-scale millers amounting to a total of 160 rice millers. The results from a Multinomial Endogenous Switching Regression (MESR) show that direct...
African Journal of Microbiology Research
Effect of methylprednisolone on the morphology of acute lymphoblastic leukemia cell line in vitro model by Atomic Force Microscopy
September 2023
Despite the recent knowledge of the molecular mechanisms of corticosteroid drugs in lymphoid leukemia, information about the nanostructured surface morphology of the process of cell death is limited. Therefore, the main objective of this work is to analyze the effect of methylprednisolone on the morphology of B lymphoblast CCRF-SB cell line by Atomic Force Microscopy (AFM). Morphological parameters such as height, cell...
African Journal of Microbiology Research
Screening groundnut rhizobia for multiple plant growth promoting activities in Ethiopia
September 2023
Rhizobia could exhibit plant growth-promoting mechanisms besides nitrogen fixation. In search of efficient rhizobia with multiple PGP traits, 72 groundnut nodulating rhizobia isolates were screened in vitro for their plant growth promoting traits like phosphate solubilization, production of indole acetic acid, ammonia, hydrogen cyanide, production of different hydrolytic enzymes and antifungal activity. About 72% of the...
African Journal of Microbiology Research
Density and diversity of arbuscular mycorrhizal fungi in Anacardium occidentale L. plantations in Senegal
September 2023
Cashew nut cultivation plays an important socio-economic role in Senegal. However, it suffers from several problems, including declining soil fertility which leads to low productivity. To overcome these constraints, the use of arbuscular mycorrhizal fungi (AMF) could be a sustainable alternative. However, the positive effects of AMFs may depend on their infectious potential, density, and diversity. So far, little...
African Journal of Food Science
Impacts of covid-19 measures on supply and distribution of milk on small-scale processors in Nakuru, Uasin Gishu, and Nyandarua Counties, Kenya
September 2023
COVID-19 poses serious threats to humanity and the world’s economy, leading to disruptions of the food supply chain. The dairy processing industry was highly affected because of the perishability of its products and time-sensitivity of both the supply and distribution chain. The study therefore, aimed to assess the effects of COVID-19 containment measures on the supply and distribution of small-scale dairy...
African Journal of Food Science
Compliance with food safety standards by beef vendors at butcheries in Kamuli district, Uganda
September 2023
Butcheries are the leading retailers of beef in Uganda and their level of compliance with food safety standards is unknown. The aim of this study was to determine the compliance by beef vendors in Kamuli district with the US 736:2019 standard for hygienic requirements for butcheries. A survey questionnaire and observation checklist on sanitation, hygiene, and beef handling were used to collect data from 60 butcheries....
African Journal of Food Science
Evaluation of thermosonication in the inactivation of lipoxygenase in hydrosoluble soy extract
September 2023
Hydrosoluble soy extract (HSE) is nutritious and highly perishable, requiring it to be submitted to an adequate conservation method. Ultrasound combined with heat (thermosonication) can be an alternative capable of reducing the undesirable effects caused by the conventional thermal treatment in this product. The objective of this work was to evaluate the effect of thermosonication on the inactivation of the enzyme...
African Journal of Biotechnology
Study of the effectiveness of essential oils of Mentha aquatica L. and Pimpinella anisum L. in the microbiological stabilization of pasteurized plant extract of Cyperus esculentus L. in Mali
September 2023
This study evaluates the antimicrobial properties of essential oils of Mentha aquatica and Pimpinella anisum in the stabilization of pasteurized plant extract of Cyperus esculentus in Mali. The extraction of essential oils was carried out by steam distillation of the aerial organs of M. aquatica harvested in Bamako and the seeds of P. anisum harvested at Diré in Timbuktu Region. Aging tests were carried out by...
African Journal of Biotechnology
Optimization of regeneration protocol and prospecting spectinomycin resistance in barley (Hordeum vulgare L.) cv Haider-93
September 2023
Immature zygotic embryos from spring barley cv. Haider-93 were used to induce somatic embryogenesis. The type of the explant, the level of 2,4-dichlorophenoxyacetic acid (2,4-D) and handling of calli during subculture are critical factors to obtain maximum number of regenerants. Different concentrations of 2,4-D (0, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0 mg/L) and Kinetin (0.5, 1.0, 1.5, 2.0 mg/L) were used for callus induction...
African Journal of Biotechnology
Nutritional and physicochemical characteristics of natural fruit juice formulated from papaya (Carica papaya), pineapple (Ananas comosus) and beetroot (Beta vulgaris)
September 2023
Maintaining optimal nutrition and healthy population continues to be a global priority. The group of liquids and beverages plays an important role in human nutrition. Most beverages consumed are artificial and contain an array of chemical molecules that can be harmful to the health of consumers. Papaya, pineapple and beetroot are the most popular fruits and legumes in Cameroon with several therapeutical effects. This...
African Journal of Biotechnology
Phytochemical composition, GC-MS analysis and toxicological profiling of Gouania longipetala leaf extract in rats
September 2023
This study investigated the phytochemical composition and toxicity potentials of Gouania longipetala leaf extract in rats. Crude extract was prepared from freshly collected leaves of the plant and was subjected to phytochemical analyses including gas chromatography-mass spectrometry (GC-MS) and acute toxicity. 15 rats were used for the sub-acute toxicity evaluation, 5 rats in each group of 3, each were treated such...
African Journal of Biotechnology
Molecular characterization of probiotic Enterococcus hirae from fermenting acalypha wilkesiana (Irish Petticoat) and Talinum triangulare (Water Leaf) medicinal plants
September 2023
Research on lactic acid bacteria (LAB) continues to be relevant in the development of nutraceuticals. In this study, edible medicinal Talinum triangulare and Acalypha wilkesiana were collected and subjected to spontaneous fermentation for 24 h. Samples were collected at 6 h intervals for determination of pH and microbial analysis. Determination of LAB percentage frequency occurrence, probiotic properties, and safety...
Journal of Veterinary Medicine and Animal Health
Presence of Mycobacterium avium subspecies paratuberculosis, in goat’s milk, natural rennet and fresh cheese from San Luis Potosi, Mexico
July-September 2023
Mycobacterium avium subspecies paratuberculosis (Map) is the etiological agent of paratuberculosis, which is one of the chronic diseases that cause financial losses in livestock production. Map can be present in cheese and other dairy products, especially those made with unpasteurized milk. Contamination of the food supply chain exposes humans to the bacteria, making the disease an important zoonosis of public health...
Journal of Plant Breeding and Crop Science
Yield performance and stability evaluation of Striga-resistant sorghum (Sorghum bicolor [L.] Moench)
July-September 2023
Sorghum is one of the most important cereal crops in Ethiopia. However, the productivity of this important crop is low owing to different factors, of which Striga is most detrimental. Multi-environment performance evaluation was carried out consisting of 11 sorghum genotypes. The objective was to select better performing, Striga-resistant and stable sorghum lines. The trial was conducted at three Striga prone areas of...
Journal of Plant Breeding and Crop Science
Evaluation of stem borer resistant maize genotypes for resistance to fall armyworm (Spodoptera frugiperda J.E. SMITH) infestation
July-September 2023
Fall armyworm (FAW) is currently the most destructive insect pest of maize in sub-Saharan Africa (SSA). Varieties that combine high grain yield (GY) with tolerance to FAW would enhance and stabilize maize productivity in SSA. Genotypes resistant to lepidopteran pests like stem borer (SB) could serve as potential sources of alleles for development of FAW resistant varieties. This study was conducted to assess some...
Journal of Plant Breeding and Crop Science
Repeatability and number of harvests required for selection in coconut hybrid varieties
July-September 2023
In the breeding of perennial plant species, the coefficient of repeatability is an important parameter because it allows for effective early selection of superior genotypes, thus saving time and cost. The objective of this study was to determine the minimum number of years required for observation to identify superior genotypes of coconut with a high degree of accuracy. Four hybrid varieties of coconut were evaluated in...
International NGO Journal
Presentation du theorem
July-December 2023
Journal of Infectious Diseases and Immunity
Prevalence and socio-demographic determinants of malaria among febrile under- five children in Abobo district, Southwest Ethiopia: Cross-sectional study
July-December 2023
Malaria ranks among Ethiopia's top ten causes of illness and mortality among children under five. The disease continues to pose a severe public health risk in malaria-endemic regions like the Abobo district. Information on malaria prevalence and its determinants among under-five year’s children in the Abobo district is missing. A facility-based cross-sectional study was conducted at Abobo Catholic Health...
International Journal of Fisheries and Aquaculture
Impact of school pond education programme conducted for adolescent students of Chitwan and Nawalparasi districts, Nepal
July-December 2023
Malnutrition consists of a deficiency, excess or imbalance of energy and other macro-and micro-nutrients that changes the body composition and function, resulting in poor clinical outcomes. This study aimed to analyze the effectiveness of behavioural-based nutrition education to increase fish consumption among school children using two types of pond in Province-3 and 4 of Nepal constructed in secondary level of four...
Educational Research and Reviews
The relationship between work-family conflict and job satisfaction of female university teachers in China: A moderated mediating model
September 2023
Work and family are two of the most important parts in one's life. Individuals cannot fulfill their work requirements and family responsibilities at the same time, so they are faced with the dilemma of timing and role conflict. Based on the conservation theory, this study explored the relationship between work-family conflict and job satisfaction in 422 female university teachers in China, and proposed a moderating...
Educational Research and Reviews
Comparison of career adapt-abilities of students from faculty of education with emotional intelligence levels
September 2023
This study aims to examine whether the career adaptation score averages of 1st and 4th-year students studying in different departments of the Faculty of Education differ significantly from the average scores of interest, control, curiosity, and confidence sub-scales aimed at measuring the sources of adaptation compared to the emotional intelligence score averages. Research is a descriptive study in the relational...
Educational Research and Reviews
Research on metacognition and innovation behavior of vocational college students in Hainan
September 2023
Strengthening the cultivation of students’ innovation ability is an urgent requirement for the construction of China’s innovation system, and vocational colleges are a crucial driving force for cultivating technical innovation talents. Therefore, this study aims to explore the influence of metacognition on innovative behavior among vocational college students in Hainan, China and the differences between the...
Educational Research and Reviews
Becoming a dreamcatcher: Pre-service EFL teachers’ experience of culturally relevant pedagogy as agents of flexibility
September 2023
The dynamics of the 21st century human life calls for adaptability to diversity, change and the ability to remove borders. Teacher education, in the midst of changes in social life, also calls for raising questions about pedagogical practices that can serve as a tool to make a difference. In this study, culturally relevant pedagogy is demonstrated as a promising strategy in promoting a positive environment in EFL...
Journal of Horticulture and Forestry
Vegetative propagation of cocoa (Theobroma cacao) by grafting: Aptitude of grafting on four clones
July-September 2023
The objective of this study is to evaluate the effect of hormones and fertilizers on the aptitude of grafting of four types of clones used in the seed fields for the creation, the regeneration, and the production of pods. The experimental design is a factorial trial (4 × 3 × 2 × 2) with hormone as the main block and other factors completely randomized within the blocks with three replicates. The...
Journal of Public Health and Epidemiology
Study of risk factors in adolescence in terms of demographic changes
July-September 2023
Adolescence is addressed as a life phase where the prospects for health are tremendous and future patterns of adult health are confirmed. Health in youth is the consequence of communications between prenatal and early childhood development and the precise biological, social-role, and demographical changes that accompany puberty, molded by social determinants, risk, and protective factors that affect the uptake of...
Journal of Public Health and Epidemiology
Prevalence of occupational disorders in low socio-economic manual stone crushers and healthcare seeking behaviour among quarry workers in North-Central Nigeria
July-September 2023
Manual stone crushing is an established small-scale industry in Northern Nigeria with workers exposed to several hazards that place them at high risk of several medical conditions. The study aimed to describe health-related conditions of manual stone crushers in North Central Nigeria through a cross-sectional study. Workers were selected using a multistage sampling technique with 151 participants....
African Journal of Plant Science
Detached berries response to coffee berry disease (Colletotrichum kahawae) of F1 hybrid genotypes developed from Ethiopian accessions of Arabica coffee
August 2023
Arabica Coffee (Coffea arabica L.) is a cash crop that supports the livelihoods of many Tanzanians, but its productivity is limited by various factors, including Coffee Berry Disease (CBD) caused by Colletotrichum kahawae. CBD can lead to up to 90% coffee yield losses in Tanzania. There are different control measures for CBD, but the use of resistant cultivars has been mentioned to be a more sustainable method than the...
Journal of Environmental Chemistry and Ecotoxicology
Seasonal variation of the water quality of Dal Lake and its tributaries in Srinagar city, Kashmir valley, India
July-December, 2023
This paper presents a study on the spatial and seasonal/temporal variation of the water quality of Dal Lake and its tributaries based on some physicochemical parameters (temperature, pH, EC, TDS, NH3-N, total phosphorus, PO43-, Na+, K+, COD, DO, BOD, oil and grease, Ca2+, Mg2+, total hardness, SO42) and heavy metals (Cu, Fe, Mn, Pb, Cd, Zn, and As). Four inlets (Botkoul, Telbal Nallah, Pishpav Nallah, and Nallah Meerek...
African Journal of Business Management
Influencing factors for platform firm’s price strategy: Take the bankcard platform as examples in China
August 2023
Taking the Bankcard platforms of 14 Chinese commercial banks from 2001 to 2022 as examples, we have developed an influencing factors model for the price strategy of platform enterprises. The results indicate that the cross-network external strength and unit switching cost of the platform enterprise do not have a significant effect on pricing from the consumer side. However, the endogenous value and unit cost of...
Journal of Medical Laboratory and Diagnosis
Risk factors for metabolic syndrome in adult patients with sickle cell anemia in Jazan region, Kingdom of Saudi Arabia
July-December 2023
Hematological anemia is a characteristic of the hereditary condition known as sickle cell disease. According to several studies, adults with sickle cell disease may exhibit metabolic syndrome symptoms such as hyperglycemia, hypertension, and dyslipidemia. This study's objective was intended to assess the steady-state risk variables for the metabolic syndrome in adults with sickle cell anemia in the Jazan region. A...
African Journal of Pure and Applied Chemistry
Major anthocyanin quantification, free radical scavenging properties and structural identification in Cymbopogon giganteus extracts
July-September, 2023
Anthocyanin-based colorants are highly appreciated by the food industry for their lower toxicity. However, in Burkina Faso, very little scientific information is available on potential sources of anthocyanins, despite significant progress in plant studies. This scientific report is the first to focus on anthocyanins of Cymbopogon giganteus from Burkina Faso and aims to valorize them for their use as an alternative to...
Journal of Medicinal Plants Research
Chemical characterization of bottlebrush leaves found in NISLT premises, Samonda, Ibadan, Nigeria.
August, 2023
This study investigated the chemical composition of Bottlebrush leaves for its ascribed mythical medicinal uses. Bottlebrush leaves were collected from the Nigerian institute of science laboratory technology premises in Ibadan, Nigeria. Proximate analyses, phytochemical screening, elemental analysis and antioxidant analysis were carried out on the leaves extract. This study has provided a scientific justification that...
International Journal of Nursing and Midwifery
Development of a health behavior model for females with a history of gestational diabetes to promote healthy dietary habits and glucose tolerance testing
July-September 2023
This study aims to develop a health behavior model for females with a history of gestational diabetes mellitus (GDM) to promote healthy dietary habits and glucose tolerance testing by identifying factors affecting the health behaviors of this population based on the framework of the Theory of Planned Behavior. A questionnaire survey was administered to females with a history of GDM who were raising infants, and 58...
Journal of Veterinary Medicine and Animal Health
Prevalence, risk factors, and molecular identity of Giardia infections in dogs in Nairobi County, Kenya
July-September 2023
Giardia duodenalis is an emerging zoonotic protozoan parasite that is significantly affecting the health and welfare of dogs in Nairobi County, Kenya. There is limited data on canine giardiasis in Kenya. A cross-sectional study was conducted to determine the prevalence, risk factors and molecular identity of G. duodenalis infections in dogs in Nairobi County, Kenya. Four hundred fecal samples were collected from...
Journal of Geology and Mining Research
Identification of iron ores in Sierra Leone, Africa by using remote sensing techniques
July-September, 2023
Remote sensing is used in this work as a geological reconnaissance technique, demonstrating that it is profitable and effective in providing valuable information for distant regions of mining interest. Due to the Civil War that affected Sierra Leone from 1991 to 2002, Sierra Leone's mining resurgence has focused only on restoring closed mines and the exploitation of previously proven reserves. Thus, the main...
African Journal of Agricultural Research
Maize phenology as an indicator of climate change simulated by RegCM4 under RCP4.5 and RCP8.5 in Mozambique
August, 2023
The IPCC fifth assessment report indicates an increase in air temperature under future scenarios over Mozambique. It may affect the development cycle and length of phenological stages of maize, and compromise the agricultural activity in Mozambique. The goal is to quantify the response of maize phenology to referred projected changes in climate, especially highlighting changes in air temperature patterns over...
African Journal of Agricultural Research
Comparison of the effectiveness of heterotic grouping methods in classifying intermediate maturing maize (Zea mays L.) inbred lines under stressful and non-stressful environments
August, 2023
The effectiveness of a hybrid breeding program depends on the heterotic patterns that can be used to utilize grain-yield heterosis. This study was carried out to (a) categorize inbred lines into heterotic groups using three different methods and (b) determine the most effective heterotic grouping method for categorizing set of inbred lines. A total of 96 hybrids generated from thirty-two set of inbred lines...
African Journal of Agricultural Research
Heterosis, combining ability and reaction of tomato parental lines and their F1 hybrids to bacterial wilt caused by Ralstonia solanacearum in Kenya
August, 2023
Strategies to manage bacterial wilt disease causing 64-100% yield loss have limited effectiveness. A 10×10 diallel mating design excluding reciprocals and self was employed in this study to evaluate combing ability effects, heterosis, and reaction to bacterial wilt in 10 tomato parents. Genotypes AVTO1424 (11.87%), AVTO1429 (12.29%) and AVTO1314 (13.53%) were found to have significantly lower disease incidence,...
African Journal of Agricultural Research
Role of income from rice cultivation on livelihoods of rice farmers: Evidence from Ahero Region, Kenya
August, 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...
African Journal of Agricultural Research
Environmental effects on sugarcane growth from on-farm data in the Brazilian Midwest
August, 2023
Climate and soil water availability are factors that influence the growth and yield of sugarcane. These factors can also serve as valuable indicators for predicting maturity and biometric changes in sugarcane, and also enhanced productivity. The aim of this study was to determine the biometric and sucrose accumulation responses of surgarcane as a function of agrometeorological data and soil water storage. The study was...
African Journal of Agricultural Research
Genetic diversity of Cleome gynandra germplasm in Burkina Faso using SSRs molecular markers
August, 2023
Cleome gynandra L. is an important traditional leafy vegetable in Burkina Faso diets. Because of its high nutritional value, it makes a good dietary supplement, providing an important nutritional and medicinal requirement. The aim of the present study was to assess the genetic diversity and intra- and interpopulation relationships of the C. gynandra collection using SSR molecular markers specific to C. gynandra. Nine...
African Journal of Agricultural Research
Opportunities, perceptions and challenges in production and use of traditional grains in Semi-Arid Masvingo District, Zimbabwe
August, 2023
This paper aims to understand farmers’ perceptions and challenges in production and use of traditional grains as well as feed manufacturers perceptions on inclusion of traditional grains in feed formulations. The study also seeks to ascertain the opportunities for increased adoption of traditional grains as an adaptive strategy to climate change. Climate change has contributed to a shift in seasons and...
African Journal of Agricultural Research
Genotype and Environment Interaction for yield performance of 12 Advanced Tongil rice genotypes with Doubled Haploid Background under Salts tress conditions in Tanzania
August, 2023
Rice (Oryza sativa L.) is an important global food commodity crop. Its yield was affected by genotype, environment, and the interaction between genotype and environment that demands the development of diverse tolerant rice to increase yields and adaptation. Genotype and Environment interaction for yields of rice Tongil types with doubled haploid (DH) were evaluated in three locations. A randomized complete block design...
African Journal of Medical and Health Sciences
Community health financing and healthcare demand solvability of workers in the informal sector in Cameroon
August 2023
One of the big challenges facing the Government of Cameroon is how to finance and provide healthcare access to more than 79% workers in agriculture and the informal sector. This study intends to analyze the contribution of community health financing to the demand solvability of the worker’s healthcare in the informal sector in Cameroon. Using the logistic regression model of use of health care services, which is...
African Annals of Thoracic and Cardiovascular Surgery
Takayasu disease revealed by aortic insufficiency associated with an aneurysm of the ascending aorta
August 2023
Takayasu's disease is a rare inflammatory disease of unknown etiology that affects the large vessels, particularly the aorta and its major branches. A case of 29-year-old patient received for surgical management of severe aortic insufficiency was reported. Preoperative clinical and paraclinical investigations revealed a dilatation of the ascending aorta associated with a stenosis of the left subclavian artery and an...
African Annals of Thoracic and Cardiovascular Surgery
Surgical repair of a giant right coronary artery aneurysm with intra-cardiac fistulas: A case report
August 2023
Coronary artery aneurysms (CAA) are rare and life-threatening cardiovascular abnormalities. Multiple aneurysms and giant aneurysms are even rarer. The authors report a case of a giant CAA (7 cm) in a 62-year-old male patient with multiple cardiovascular risks. In fact, there were three adjacent aneurysms of the right coronary artery (RCA) that were connected to the cardiac chambers through two fistulas. Additionally,...
Page 17 of 1276, showing 50 records out of 63764 total, starting on record 801, ending on 850
