Articles
Page 7 of 1250, showing 50 records out of 62488 total, starting on record 301, ending on 350
African Journal of Plant Science
Radio-Sensitivity of four selected rice (Oryza sativa L.) varieties in Kenya, as a pre-requisite for mutation breeding
September 2022
Radio-sensitivity test informs the optimal irradiation dose for use in mutation breeding. In this study, four rice varieties (Basmati 217, Basmati 370, ITA310, and Komboka) were irradiated with gamma-ray doses ranging from 0 to 500 Gy, to examine their morphological responses at the seedling stage, and estimate their optimal doses. Two experiments were carried out at varied time points between March and May 2022. In the...
Journal of Land Management and Appraisal
Determinants of farmers’ sustainable land management practices implementation in Sekoru District, Jimma Zone, Oromia National Regional State, Southwest Ethiopia
July-December 2022
The overall objective of the study is to assess the determinants of farmers’ implementation of sustainable land management practices. To achieve the objective of the study, cross sectional research design and mixed research approach were used. To answer research questions and attain those research objectives stated earlier, both primary and secondary data sources were employed. The primary data were gathered from...
International Journal of Biodiversity and Conservation
Photophysiology and respiration of the temperate fern Onoclea sensibilis in spring and during summer stress in a changing climate
July-September 2022
Onoclea sensibilis L. is a temperate fern species of horticultural importance, and widely distributed in the natural environment of North America, Eastern Europe, and parts of Asia. With increasing climate change, including excessive heat and unpredictable, sometimes severe precipitation events, ferns such as O. sensibilis may come under increasing loss of habitat and possibly survival threat. This is a study of the...
Journal of Veterinary Medicine and Animal Health
Correlation between Macruz Index and left atrial enlargement in dogs with myxomatous mitral valve disease
July-September 2022
The Macruz Index is a simple electrocardiographic methodology indicated in the evaluation of possible left atrial remodeling in human medicine. In dogs, the main cause of left atrial remodeling is mitral valve myxomatous degeneration, a degenerative valvulopathy with high occurrence in the routine of the veterinary clinic. Thus, the objective was to determine the values of the Macruz Index and correlate them with the...
African Journal of Agricultural Research
Anaplasma phagocytophilum in cattle parasitism in Benin: An emerging pathogen transmitted by ticks
September, 2022
Anaplasma phagocytophilum, a bacterium transmitted by ticks, is responsible for granulocytic anaplasmosis, an emerging zoonosis that has never been reported nor identified previously in Benin and in the West African sub-region. This study is designed not only to investigate the prevalence of the disease and evaluate mortalities recorded at Kpinnou farm after importing Girolando cattle from Brazil in 2014 but also to...
Journal of Horticulture and Forestry
The impacts of post plantation management practices on growth and survival rate of selected tree species in Mirab Abaya District, Southern Ethiopia: An experimental approach
July-September 2022
The impacts of post-plantation management practices (urea, farm yard manure, and combinations of urea and farmyard manure) on the growth and survival rates of selected indigenous and exotic tree species Cordia africana, Olea europaea, Grevillea robusta, and Cupressus lusitanica at Sutte micro-watershed, Morode kebele in Mirab Abaya district, South Ethiopia were investigated. Soil samples were collected from the...
African Journal of Agricultural Research
Status of Ethiopian durum wheat varieties for the stem rust disease resistance under field condition
September, 2022
Production of wheat in Ethiopia is under danger from wheat stem rust, which is brought on by the disease Puccinia graminis f.sp. tritici and has resulted in a yield loss of 100%. An investigation was conducted in a hotspot area (Debere Zeit, Ethiopia) to evaluate the status of Ethiopian durum wheat cultivars for their level of stem rust resistance in the field. During the main seasons of 2017, 2020, and 2021, 34 durum...
Journal of Media and Communication Studies
Personality traits, personal motivations, and online news and social media commenting
July-September 2022
Among the most popular online platforms for commenting following a news story are Facebook, Twitter and on the news website itself. Using personality characteristics, including from the Big-Five schema (extraversion, neuroticism, openness to experience, agreeableness and conscientiousness) and the Dark Tetrad frame (Machiavellianism, psychopathy, narcissism and sadism), as well as personal motivations, the extent to...
Journal of Parasitology and Vector Biology
In vitro efficacy of standard antimalarial drugs on parasitic isolates from patients with sickle cell disease (SCD) in Abidjan, Côte d'Ivoire
July-December 2022
Malaria infection triggers off vaso-occlusive attacks in sickle cell patients, leading drastically to death. Sickle-cell patients use artemisinin-based combination therapies (ACTs) as recommended by the WHO to treat malaria infections to prevent these crises. The survey of sensitivity of parasites collected from sickle-cell patients needs is important to be re-specified. Red cells from these patients differ from others...
African Journal of Pharmacy and Pharmacology
In vivo studies of the immunomodulatory effect of aqueous extract of Artemisia herba alba
September 2022
Historically Artemisia herba alba (AHA) is widely used in traditional Moroccan medicine. Few studies have been carried out to confirm its traditional use, in particularly immunological studies and to the authors’ knowledge; no study has treated the in vivo immunomodulatory effect of AHA aqueous extracts. This work was established to assess the immunological effects of AHA, including the humoral and cellular...
African Journal of Agricultural Research
Morphological and molecular diversity of arbuscular mycorrhizal fungi associated to Carica papaya L. rhizosphere in two agro-ecological zones in Cameroon
August, 2022
The papaya tree is not very exploitable on the international market because of the post-harvest decline of the fruits. In this study, we identified arbuscular mycorrhizal fungi (AMF) from the rhizosphere of papaya in two agroecological zones of Cameroon (Njombe-Pendja: NP and Yaounde: Y). Morphological studies on the density, the rate of root colonization, the diversity of AMF species were evaluated. Molecular...
Journal of Ecology and The Natural Environment
Water quality and ecological stress of fish in the Bandama River Estuary (Cote d'Ivoire, West Africa)
July-September 2022
The Bandama River contributes essentially to the well-being of the Ivorian population. Unfortunately its biodiversity is strongly threatened by human activities. In order to assess the water quality of the Bandama River and its impact on fish fauna, a scientific study was carried out from March 2019 to February 2020 in its estuarine zone. Thus, the physico-chemical variables of the water, the contents of Pb, Mn, Fe, Cd...
African Journal of Pure and Applied Chemistry
Assessment of proximate and physicochemical properties of crude palm oil from south-west and South-south Nigeria
July-September, 2022
Crude palm oil is most worlds widely used oil, due to its nutritional and economic advantages. The proximate and physicochemical properties of fifty samples from local mills in Southern Nigeria were analyzed to determine their applicability as food and industrial usage applying standard procedures. The obtained results were: Moisture content (1.51 to 2.46%), ash content (0.30 to 0.50%), crude lipids (68.82 to76.77%),...
African Journal of Agricultural Research
Effects of the naked neck phenotype and feed withdrawal on growth performance and carcass characteristics of F1 crossbred broilers from a cross between local naked neck males and Hubbard Flex 15 broiler females
August, 2022
An eleven-month experiment was conducted to establish the influence of phenotype and feeding systems on growth performance and carcass characteristics of F1 crossbred broilers. One hundred normal feathered broiler breeder females were mated with 10 naked neck males to obtain the F1. Two hundred and seventy-two chicks obtained from the F1 generation and from four hatches were randomly assigned into four treatments...
African Journal of Pure and Applied Chemistry
Dichlorodiphenyltrichloroethane (DDT) and its metabolites in house dust, soil and selected food crops from indoor residual sprayed areas of Apac and Oyam Districts, Uganda
July-September, 2022
Dichlorodiphenyltrichloroethane (DDT) levels and its metabolites are reported in 75 soil and 75 vegetable samples from the vicinity of homesteads sprayed with DDT during indoor residual spraying (IRS) pilot exercise, carried out in 2008 in Apac and Oyam districts, Uganda as a measure to control malaria. The samples were randomly and conveniently collected in 2020 from selected villages of the districts, extracted using...
Journal of Veterinary Medicine and Animal Health
Interaction in the production of biofilm and drug susceptibility of Candida kefyr with Escherichia coli and Streptococcus dysgalactiae isolated from bovine mastitis
July-September 2022
Bovine mastitis is a disease with a high economic impact on dairy farms and it has been described that different species of Candida can cause it. The objectives of this study were to evidence the production of biofilm by strains of Candida Kefyr, to carry out a comparative evaluation of its production by tube and plate techniques, to determine its interaction with Escherichia coli and Streptococcus dysgalactiae isolated...
African Journal of Agricultural Research
Influence of FBO interaction with research and extension on the adoption of technologies by FBO members in the Central Region of Ghana
August, 2022
The study examined the influence of Farmer Based Organization (FBO) interaction with research and extension service providers on the adoption of technologies by members of FBOs in the Central Region of Ghana. In conducting the study, a combination of purposive and convenient sampling methods was utilized in selecting the FBOs and other key players in the field. In all, the study covered 177 respondents. The approach...
Journal of Development and Agricultural Economics
Adoption of electronic commerce by agribusiness small medium enterprises in the upper east region of Ghana
July-September 2022
Technological evolution has triggered more advanced market-based approaches to the transfer of goods, services, and information. In Ghana, Agribusiness small-medium enterprises' electronic commerce adoption is concentrated in Accra and Kumasi. This study spotting the research gap in Agribusiness small-medium enterprises' electronic commerce adoption selected the Upper East Region for the study. The study is...
African Journal of Food Science
A comparative study of the use of radiation, lemon juice, and vinegar for the preparation and preservation of African giant snails (Achatina and Archachatina)
August 2022
African giant snail is a popular alternative source of animal protein in Ghana and many other countries. The meat is high in lean protein and mineral elements. Ready-to-use meat obtained from snails can compete with animal proteins found on the market. After shelling, snails produced some slime that interfered with preparation and processing of the meat. This study aimed to provide consumers with ready-to-use fresh...
Educational Research and Reviews
The place of education in social development and its sociological foundations
August 2022
Equipping people with desired behaviors, that is, educating them, has been the most important goal throughout the ages. Today, this phenomenon is becoming more and more complex and its effect is felt more intensely. However, unless a person's behavior develops in a valid and reliable way, it is not possible to reach a longed for life style. A person can be intertwined with all kinds of processes, from the most...
African Journal of Biotechnology
Studies of Salvia officinalis leaf extract on some biochemical parameters in rats induced with overdosed-tramadol
August 2022
The aim of the study was to evaluate the effect of Salvia officinalis leaf extract in overdosed-tramadol induced rats. Standard methods of analysis were used for the study. Fifty rats were divided into Group A (Control) - feed and water only, Group B-induced with tramadol at 50 mg/kg body weight, Group C-induced with tramadol + 150 mg/kg of S. officinalis leaf extract, Group D-tramadol + 300 mg/kg S. officinalis...
African Journal of Plant Science
Potential and measures for sustaining Prunus africana (Hook.F.) Kalkman (Rosaceae) in Tchabal Mbabo forest (Mf), Adamaoua Cameroon
August 2022
Prunus africana (Hook. F.) Kalkman is a medicinal plant for which the bark is used to treat benign prostate hypertrophy. P. africana is listed in Appendix 2 of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). Its exploitation has been regulated in Cameroon through the settlement of some management standards. This paper aims to assess the potential of P. africana in the Tchabal...
African Journal of Medical and Health Sciences
Anaemia and associated factors in multidrug-resistant tuberculosis patients at initiation of treatment in the Republic of Guinea
August 2022
Multidrug-resistant tuberculosis is involved in multiple haematological manifestations, including anaemia. The objective was to determine the prevalence of anaemia and associated factors in patients with drug-resistant TB. This was a 3-year longitudinal cohort study of patients affected by multidrug-resistant tuberculosis followed up monthly for 9 months by the WHO standardized short treatment regimen in three large...
Scientific Research and Essays
Factors of geomagnetic storms during the solar cycles 23 and 24: A comparative statistical study
July-September, 2022
The solar sources of 884 geomagnetic storms have been studied for the solar cycles 23 and 24 (1996-2019), regardless of their size ranges; using the Kp index and the NOAA G criteria (minor to extreme storms). It claims from our investigation that fast solar wind streams (HSSWs) is the main factor of small (G1) and medium (G2) storms and occur mostly on the descending phase of the solar cycle. Fast solar wind has...
African Journal of Agricultural Research
Performance of mustard varieties under saline prone areas of Bangladesh
August, 2022
This study was conducted at farmers’ field with three disperse replicas in three different places viz. Satkhira (AEZ-11), Koyra (AEZ-13), and Bagerhat (AEZ-11) of Khulna division in the Rabi season of 2019-2020 to determine salt tolerant varieties for maximizing mustard yield, as well as farmers’ income. Characterization was done with six varieties namely BARI Sarisha-11, BARI Sarisha-14, BARI Sarisha-16,...
International Journal of Livestock Production
Factors affecting the hatchability of snail eggs (Archachatina marginata) in the Western Highlands of Cameroon
July-September 2022
A study to investigate the factors affecting hatchability of Archachatina marginata eggs, had 600 eggs collected from snail pens and incubated in treated substrates; moist soil/sawdust mixture (MSD), moist sawdust (MD), moist soil (MSb), dry sawdust (DD) and dry soil (DS) as well as in rearing pens (1 m × 1 m × 0.8 m) containing moist soil (MSp). Results showed that snail egg weights at ...
African Journal of Environmental Science and Technology
Modeling and simulation of reactors in plug flow reactor (PFR) and Packed Bed Reactor (PBR) series for the conversion of methanol into hydrocarbons
August 2022
The aim of this paper is to size the PFR reactor and to deduce the likely useful mass of the catalyst in the PBR for the production of hydrocarbons such as propane, butane and pentane from methanol via dimethyl ether (DME). The use of these reactors would require kinetic analysis, material balance, energy balance and then sizing. The interest in the chemical catalytic conversion of synthesis gas to gasoline suggests...
Educational Research and Reviews
Fathers looking after children in Türkiye in public settings
August 2022
This study was conducted to determine the situation in Türkiye in terms of fathers looking after their children in public settings. For this purpose, natural observations of parents who came to playgrounds, movie theaters, stores, toy stores, and restaurants with their children aged 3–5 years were made in the study. Observational data were collected from 522 children and parents who came to the shopping mall...
African Journal of Microbiology Research
Microbiological characterization of traditionally fermented food in southern Mozambique
August 2022
Traditionally fermented foods are source of income and improve quality of diets in rural communities. In Mozambique there are several locally fermented foods, however little is known about fermentation technology and microbial composition. This study aimed to determine physico-chemical parameters and the microbial diversity of traditionally fermented foods in Mozambique. Samples of ucanhi, maheu, massi and rhali were...
Journal of Development and Agricultural Economics
Determinants of agricultural commercialization in smallholder farmers in Zimbabwe: The case of Zhombe North Rural District
July-September 2022
Agricultural commercialization raises farm incomes and improves living standards in African farming populations. Despite its importance, it remains low in Africa. Limited studies in agricultural commercialization have explored different tools for analysis given the agricultural commercialization indicators with zeros and fractions. This paper addresses methodological issue and adds literature on factors affecting...
African Journal of Agricultural Research
Social network analysis of innovation platforms in the local rice value chains in Benin: Shield or showcase for endogenous innovation?
August, 2022
Innovation platforms (IPs) bring agricultural value chain stakeholders together to successfully overcome constraints in agricultural systems. In Bénin, they are introduced to foster collaboration, partnership, and mutual focus to generate innovation on the commodity such as the local rice production and processing systems. Based on Social Networks Analysis, this research examines this IPs in influencing the...
Journal of Medicinal Plants Research
Ethno botanical study of medicinal plants used by Baka people in the treatment of erectile dysfunction
August, 2022
Erectile dysfunction is a disease that is increasingly affecting men. The study examined the traditional use of medicinal plants in the treatment of erectile dysfunction among the Baka people in the eastern region of Cameroon. The study took place over interspersed periods from January 2018 to January 2021 in 9 villages. Forty-four people were interviewed via a questionnaire. One hundred and fifty-nine citations and 71...
Journal of Plant Breeding and Crop Science
Inheritance of stay green physiological determinants in drought tolerant maize inbred lines
July-September 2022
Stay green is the plant’s ability to sustain photosynthetically functional green leaf area for longer periods, even with excessive water stress. This study was done to understand the gene action that controlled inheritance of the stay green trait with the general objective of contributing to breeding more drought tolerant maize varieties. 10 F1 hybrids from crosses between highly performing and the least...
African Journal of Business Management
The impact of social crowding on color saturation preference: The mediating role of threat to freedom and avoidance behavior
August 2022
This study explores the impact of social crowding on color saturation preference and its internal psychological mechanism. In three studies (333 subjects), two different stimuli are used to manipulate the level of social crowding to probe into individuals' preference for product color saturation in socially crowded settings. The findings reveal that in socially crowded environments, individuals prefer products with...
African Journal of Pharmacy and Pharmacology
Evaluation of the pharmaceutical quality of two nutraceutical lysine products in South Africa
August 2022
Dietary supplements, particularly nutraceuticals, are an expanding sector on the South African market, especially since the beginning of the COVID-19 pandemic. However, regulatory authorities do not regulate nutraceuticals and concern arose regarding safety, quality and efficacy of the product reaching the end-user. The aim of the study was to evaluate the pharmaceutical quality, specifically the physical and the...
Journal of Medicinal Plants Research
Piper rivinoides Kunth: A medicinal plant that preserves bioactive chemical substances in its essential oil throughout the seasons
August, 2022
The chemical composition and seasonal variation of essential oils (EO) extracted from the aerial parts of the traditional medicinal plant Piper rivinoides were analyzed using gas chromatography (GC) coupled with mass spectrometry (MS) and GC coupled with flame ionization detector (GC-FID) technique, respectively. The wild plants were collected from two different sites in the Atlantic Forest. The analysis allowed us to...
International Journal of Physical Sciences
2D electrical resistivity imaging of fracture zones in Isu-Awaa, Enugu State, Southeastern Nigeria
July-September, 2022
2D electrical resistivity imaging technique has been used to investigate the nature and dimensions of the fracture prone zones in Isu-Awaa, Enugu State, Nigeria. The study area lies within Latitude 06° 14I 0II N to 06° 17I 0II N and Longitudes 007° 23I 0II E to 007° 28I 0II E, with an area extent of about 51 Km2. The area is underlain by three main geological units (Enugu Shale, Owelli Sandstone and Mamu...
African Journal of Agricultural Research
Implications of diet and quality consistence of feed on poultry layers egg quality
August, 2022
Impaction of different brands of commercial layers feeds on egg quality was assessed in a complete block design with five treatments in three blocks replicated with twenty birds each. Hyline birds and the deep litter system were used. Feed constituents from proximate analysis were linearly correlated to quality parameters measured on the eggs. Results showed that nutrition impacts on most egg quality parameters except...
Journal of Public Health and Epidemiology
Standards and regimentations of biosafety and biosecurity in medical biology laboratories in Togo, 2021
July-September 2022
Legal instruments are necessary for the regulation of programs such as the biosafety and biosecurity (BSS) system in a country, yet little information is available in this sector in Togo. The study conducted aimed to take an analytical look at the normative and regulatory environment of biosafety and biosecurity in medical biology laboratories in Togo. A documentary review was carried out on the web, in the Official...
African Journal of Biotechnology
The value-chain of cotton industry in Kenya with focus on product stewardship for timely provision of certified quality Hybrid Bt cotton seeds to farmers
August 2022
For there to be sustainable revival of Kenya’s Cotton Industry, its cotton-value needs to be analyzed, there is need to identify its weak points and implement measures to ameliorate its key constraints. Various authors have developed and analyzed the value-chain of the Cotton Industry in Kenya. This paper reviews important components of the value-chain focusing on strengthening the supply of safe, adequate and...
Educational Research and Reviews
Effects of Whatsapp group learning platform on senior secondary schools students’ learning outcomes in Science, Technology, and Mathematics (stm) in Ekiti State, Nigeria
August 2022
The study investigated the effects of the WhatsApp Group Learning Platform (WGLP) on Senior Secondary School (SSS) Students' Learning Outcomes in Science, Technology, and Mathematics (STM) in Ekiti State, Nigeria. The sample comprised 100 SS II students from two public secondary schools in Ekiti State who were randomly selected from their classrooms. A multistage sampling technique was used to pick the sample. Data...
African Journal of Pharmacy and Pharmacology
Characterization of native, acetylated and enzymatically modified amura starch (Tacca involucrata) for tablet binding
August 2022
This research is aimed at producing alternative starch used for tablet binding from amura tuber. The microbiological load and physicochemical properties of native and modified amura starches were determined using plate counting method and standard method of BP. Amylose and amylopectin content of native and modified amura starches were determined using spectrophotometric method. Binding and disintegrant abilities of...
Journal of Hospitality Management and Tourism
A review of the role of tour operators towards sustaining ecotourism in Tanzania
July-December 2022
This review paper assesses the role of tour operators towards sustaining ecotourism in Tanzania. The motive behind it is based on the argument that tour operators have an important role within the ecotourism multi-stakeholder. However, little has been documented on how best to engage them for sustainable ecotourism. Thus, this paper provides a concise overview of the relevant literature, highlighting existing knowledge...
African Journal of Plant Science
Genetic diversity in pepper (Capsicum annum L.) germplasms using SSR markers
August 2022
Analysis of pepper genetic diversity and genetic relationship is important in selecting genetically diverse parental lines drawn from several genetic populations, and also helps to implement effective conservation strategies. For this purpose, 25 pepper genotypes comprising both accessions and improved varieties were examined using 16 SSR markers. The markers were polymorphic and showed a mean PIC value of 52% with a...
African Journal of Agricultural Research
Evaluation of the residual effect of bioslurry effluent on biological yield and nutritional content of swiss chard (Beta vulgaris L.)
August, 2022
An experiment was conducted to evaluate the residual effect of inorganic fertilizer and bioslurry application on biological yield and nutrient content of Swiss chard. The study was conducted at Döhne Agricultural Development Institute (DADI) (32°31’ 34.077” S; 27°27’ 37.473” E) in Stutterheim, Eastern Cape, South Africa. Following planting and harvesting of two Swiss chard cultivars...
Journal of Economics and International Finance
The impact of import substitution policy on trade and exchange rate: An empirical analysis from Ghana
July-September 2022
This research examines the impact of import substitution policy on the trade balance and exchange rate in Ghana by employing the macroeconomic variables – inflation rate and interest rate. For a robustness check, the policy is analyzed using the augmented trade balance and magnitude of import substitution approaches. The study utilizes quarterly data from 1990Q1 to 2021Q1 and applies the Johansen cointegration...
African Journal of Environmental Science and Technology
Use of ciliated protozoans in the saprobic evaluation of hydrosystems in an equatorial zone (South region of Cameroon)
August 2022
Agriculture, which accounts for 70% of water abstractions worldwide, plays a major role in water pollution. Resulting pollution poses risks to aquatic ecosystems and humans. With the aim of evaluating the saprobic state of four hydro systems subject to pollution from intensive rubber cultivation, the present study was carried out within and around the Hevecam rubber plantation in Niete, South Region of Cameroon. The...
African Journal of Agricultural Research
Factors that influence the dominance of X-Jigna cultivar under smallholder rice production in Fogera Plain, Northwest Ethiopia
August, 2022
The aim of this study is to learn more about the status and factors that influence the uptake of improved rice varieties in the Fogera plain, a well-known rice-growing area in Ethiopia. A total of 155 rice-producing households were chosen through a systematic random sampling method. Simple descriptive statistics like mean, frequency, percentage, and standard deviation were utilized to characterize the sample households,...
African Journal of Environmental Science and Technology
An appraisal of phytoremediation as an alternative and effective remediation technology for crude oil- contaminated soils: A review
August 2022
The review investigates phytoremediation as an alternative environmentally-friendly method of cleaning and restoring hydrocarbon contaminated soils. Phytoremediation is a ‘green’ technology that exploits the natural ability of green plants to remove, degrade or suppress contaminants in soils, sludges, sediments, surface-water and ground-water in an ecologically-friendly manner. Its processes are stimulated...
African Journal of Agricultural Research
Use of termites as protein supplement for indigenous chicken on smallholder farms in Siaya County, Kenya
August, 2022
Smallholder indigenous chicken (IC) production systems have been associated with low productivity thereby contributing to food insecurity and reduced livelihoods. Despite this scenario, smallholder IC producers have been harvesting and feeding termites supplementarily. This study determined the demographic characteristics that influence the use of termites as protein supplement for indigenous chicken by...
Page 7 of 1250, showing 50 records out of 62488 total, starting on record 301, ending on 350
