Articles
Page 2 of 1221, showing 50 records out of 61021 total, starting on record 51, ending on 100
July 2021
Educational Research and Reviews
The extent of use of video clip for teaching and learning in Nigerian universities: A case study of faculty of education, University of Calabar
This study reports a survey conducted to explore the extent of use of Video Clip (VC) by academic staff for teaching and learning at the Faculty of Education, University of Calabar, Nigeria. Five Research questions were formulated to guide the study. The population of the study was made up of all lecturers in the Faculty. The data were obtained using a structured questionnaire which in random was administered to...
July 2021
Journal of Public Health and Epidemiology
Comparative assessment of fluid intake of sedentary and manual workers in Anambra State, Southeast Nigeria
Daily fluid intake in individuals is known to be influenced by several factors such as climatic conditions, physical activities, nature of fluid and its availability, and behavioural responses. The high temperature of the tropics is expected to increase fluid intake, and more so for labor-intensive workers. The fluid intake of sedentary and manual workers in southeast Nigeria was assessed and compared with international...
July 2021
Journal of Medicinal Plants Research
Pachyrhizus spp. seed extracts control the Sclerotium rolfsii Sacc. mycelial growth
The present paper aimed to characterize the bioactivity being exerted on Sclerotium rolfsii Sacc. in vitro by seed aqueous extracts from 64 yam bean (Pachyrhizus spp.) genotypes as well as their maceration times (0, 48 and 72 h). Three experiments were carried out following a completely randomized design with 64 treatments (potato-dextrose-agar PDA+extracts) with two controls (PDA with no extract and PDA+Cabrio® Top...
July 2021
Journal of Medicinal Plants Research
Effects of Boswellia serrata, Zingiber officinale and Ginkgo biloba extracts in combination on memory impairment in mice
Cognitive decline induced by oxidative brain damage is the critical pathological hallmark of Alzheimer’s disease. Studies have shown that individual administration of Boswellia serrata Roxb (BS), Zingiber officinale Roscoe (ZO) and Ginkgo biloba L. (GB) extracts improved memory and learning through a different mechanism of actions. This study aims to compare the individual effects of each extract with their...
July 2021
African Journal of Food Science
Studies on some physico-chemical and engineering properties of Musa spp (ABB) starch flour
This study investigated some physiochemical and engineering properties of Musa spp (ABB) starch flour using standard procedures with a view to providing data that will aid in process design, control and bulk handling of Musa spp (ABB) starch flour. Loose and packed bulk densities, the least gelation concentration, density ratio and porosity ranged between 0.47 to 0.70 g/mL, 0.60 to 0.95 g/mL, 8 to 16% (w/v), 74.25 to...
July 2021
Educational Research and Reviews
Examination of internet use in terms of psychological well-being
This study aimed to examine internet use in terms of psychological well-being. The descriptive and correlational research designs were used in this study. The data were collected by the online survey. The survey included “Internet Addiction” and “Warwick-Edinburgh Mental Well-being scales” and a “Socio-Demographic Form”. Four hundred and twelve people participated in the study. A...
July 2021
Journal of Stored Products and Postharvest Research
Repellent and insecticidal effects of essential oils of Petroselinum crispum (Mill.) Fuss and Pimenta racemosa var. racemosa (Mill.) J.W. Moore leaves on Dinoderus porcellus Lesne (Coleoptera: Bostrichidae)
Essential oils from leaves of Petroselinum crispum (Mill.) Nym. ex AW HillFuss (Apiaceae) and Pimenta racemosa var. racemosa (P. Mill.er) J.W. Moore (Myrtaceae) were evaluated for their repellent properties, insecticidal and fumigant activities against Dinoderus porcellus Lesne (Coleoptera: Bostrichidae). The essential oils of these plants were obtained by Clevenger-type hydro distillation method...
July 2021
Journal of Stored Products and Postharvest Research
Performance evaluation of the DehytrayTM solar drying device using plantain, pepper and okra under the tropical conditions of Oyo State, Nigeria
The quest for improved performance of access to solar dryers has led to the development of several designs of solar dryers. This study evaluated the performance of the DehytrayTM, a relatively new solar dryer made up of food grade plastic, in comparison with sun drying using plantain, okra and pepper as test crops in five replicated trials. Freshly harvested crops were divided into two batches, weighing 1.3 kg each. The...
July 2021
Journal of Development and Agricultural Economics
Economic impact of DroughtTEGO® hybrid maize in Kenya
This paper utilizes the Economic Surplus Model (ESM) to provide an ex-post evaluation of the economic impact of drought tolerant hybrid maize technology in Kenya. Results indicate that the adoption of DroughtTEGO® varieties will generate economic benefit to producers with a net present value of US$ 2.1 billion over a 20-year period. These benefits are sustainable when adoption levels remain above 32% and yield...
July 2021
Journal of Development and Agricultural Economics
Agricultural services on the demand and supply for improving agricultural productivity in Benin
The Beninese government has undertaken far-reaching reforms in the agricultural service supply in Benin since 2016. The objective of the article was to assess the level of satisfaction of the agricultural services supply and demand and to analyze the determinants of the level of satisfaction of agricultural services in Benin. The primary data used was provided from entire national territory by taking into account all...
July 2021
Journal of Veterinary Medicine and Animal Health
Paratuberculosis epidemiological study (risk factors and prevalence) in ovine livestock production units in the State of Guanajuato, Mexico
In order to determine the prevalence and risk factors associated with paratuberculosis in ovine livestock production units in Guanajuato, Mexico; a cross-sectional epidemiological study was carried out for one year long. Serum samples (n = 1387) were analyzed with an agar gel immunodiffusion test. Bacteriological culture and IS900 nested PCR were done from the fecal samples (n=640). For epidemiological data, two...
July 2021
Journal of Veterinary Medicine and Animal Health
Prevalence of hip dysplasia in domestic shorthair breed of cats in three municipal districts in Accra, Ghana
Hip dysplasia in cats appears to have a similar prevalence as that seen in dogs especially with large breeds of cats like the Maine coon. However, cats do not commonly show signs of lameness like dogs do. This study was to determine the prevalence of hip dysplasia in domestic shorthair breed of cats in three municipal districts in Accra, Ghana. Twenty (12 males and 8 females) adult (2.3 ± 0.8 years) shorthair...
July 2021
Journal of Public Administration and Policy Research
Entrepreneurship education and the professionalisation of higher education
Considerable concern is being paid to the professionalization of education. Professionalising higher education in a way in many countries is trying to build a bridge between theory and practice. First of all, it is important to know and understand that academics cannot be professionalised. This paper aims to explore a way to professionalise higher education. Data for the study is based on books and interviews with...
July 2021
International Journal of Peace and Development Studies
Keys to sustainable and enduring societal peace in intractable conflicts: A theoretical and empirical justification in apartheid South African peace process
The perpetual search for solutions to societal conflicts, particularly those tagged intractable, that is, irresolvable, took a dramatic turn when South Africa, one of such age-long conflicts, bowed to mediation after about 48 years of fierce existence. Until now, no rigorously deep insight that is capable of accurately and adequately accounting for the dialectics of history that brought apartheid to such an abrupt end....
July 2021
Scientific Research and Essays
Probability of dry and wet spells over West Africa during the summer monsoon season
This work aims at characterizing the conditional probability of single or consecutive dry and wet days in West Africa using the first-order Markov chain approach during the monsoon season (June to October). The results show that the probabilities of having a wet day (PW), a wet day preceded by another wet day (PWW) and a wet day preceded by a dry day (PDW) are stronger in regions where the rainfall is maximum (mountain...
July 2021
International Journal of Livestock Production
Morphological characteristics of indigenous Djallonké sheep in rural areas in the south of Mali
This study aimed at evaluating some morphological traits in Djallonké sheep reared in four localities (Dioïla, Kolondiéba, Yanfolila and Kita) in the south of Mali. Two hundred and sixty sheep (40 males and 220 females) randomly selected from these localities were used for measuring the following traits: Coat color, presence of horns/wattles, height at withers (HW), and live body weight (LBW). Animals...
July 2021
Journal of Agricultural Extension and Rural Development
Evaluation of tillage practices on selected soil chemical properties, maize yield and net return in O. R. Tambo District, South Africa
The costs of maize production per ha in the Eastern Cape Province are escalating due to an increase in mechanization and input costs. Conservation agriculture (CA) has been identified as one of the systems that can reduce costs of production and improve maize productivity. Most famers in the district still require tangible evidence on the benefits and impacts of minimal soil disturbance. Hence it was necessary to...
July 2021
International Journal of Fisheries and Aquaculture
Cage fish culture in the lake victoria region: Adoption determinants, challenges and opportunities
Fish cage farming was first introduced in Lake Victoria in 2005, however, its adoption and production has not met expectations. It is a promising venture that can help solve the problems of food insecurity, unemployment and alleviate poverty if, a conducive investment environment is put in place. This study sought to explore the adoption determinants, challenges and opportunities of this technology within the Lake...
July 2021
African Journal of Biotechnology
An efficient in-vitro regeneration system of Taro (Colocasia esculenta L. Schott) using apical meristems
Taro (Colocasia esculenta L. Schott) is an important crop for food and nutrition security, incomes, and livelihood of people in developing countries. Its cultivation and productivity have been limited mainly due to a lack of quality planting materials. Therefore, this study developed an effective micropropagation method for two common taro varieties in Kenya (Purple Wild and Dasheen) using apical meristem derived from...
July 2021
African Journal of Agricultural Research
Effects of different light exposure regimes on pre-sprouting and yield performance on potato (Solanum tuberosum L.) seed in Central Rift, Kenya
July 2021
African Journal of Agricultural Research
Use of positive selection technique to manage yam viruses in seed yam production by Ghanaian farmers
Positive selection technique (PST) involves physical examination of plants at vegetative stage for viral disease symptoms and using tubers from apparently symptomless plants as planting materials in seed yam production. This study determined PST use among farmers in Atebubu-Amantin and Ejura-Sekyedumase Municipalities of Ghana. Viral diseases were observed on 63 PST and 63 non-PST farms within these Municipalities. PST...
July 2021
African Journal of Biotechnology
Effect of light quality on in vitro germination, seedling growth and photosynthetic pigments production in wheat (Triticum aestivum L.)
Due to its economic importance, wheat (Triticum aestivum L.) has been the subject of most breeding studies, most of which having as a starting point the in vitro cultures required for initiating different cell and tissues cultures such as protoplasts, ovules and pollen cells. All these procedures are used to obtain new varieties or hybrids regarding the improvement of different qualities such as higher productivity,...
July 2021
African Journal of Microbiology Research
Partial chemical characterization of the yeast extracts Lachancea thermotolerans CCMA 0763
The fungi are living organisms of great importance around agriculture, food industry, and the pharmaceutical industry. The usage of these microorganisms in agriculture is for the biocontrol of diseases in plants of commercial interest. Some yeasts can fight phytopathogens through secondary metabolites produced, inhibiting their development. Some species show positive results in the control of pathologies in...
July 2021
Journal of the Nigeria Society of Physiotherapy
Sleep quality and physical activity level of community dwelling older adults in Lagos State: A cross-sectional study
The potentially complex relationship between sleep and physical activity has been characterized as difficult to answer. This study was to determine the relationship between Physical Activity (PA) and Sleep Quality (SQ) among community dwelling older adults in Idi-Araba, Lagos-State. A cross-sectional study of older adults aged 55 years and above. The participants’ PA level and SQ were measured using the Physical...
July 2021
Journal of the Nigeria Society of Physiotherapy
A qualitative study on barriers to practitioner implementation of cardiac rehabilitation services in a tertiary health facility in Kano, Nigeria
The burden of cardiovascular diseases is on the rise in resource-constrained developing countries. Cardiac rehabilitation (CR) is a constellation of multidisciplinary interventions designed to alleviate the burden of cardiovascular disorders. Qua litative data on barriers to the utilisation of cardiac rehabilitation services among healthcare personnel in Nigeria is not available. This research was undertaken to explore...
July 2021
Journal of Accounting and Taxation
Influencing factors of accounting practices: a case study of New Zealand
Accounting practices in different countries influenced by several factors. This study has identified some factors those have a great impact on accounting practices in different countries. This study also explains the accounting practices in a specific country: New Zealand, which is one of the developed counties in the South Pacific Ocean close to Australia and a member of commonwealth countries. However, this study is a...
July 2021
Journal of Public Administration and Policy Research
Internal control systems and the financial management function in urban governance in Uganda
In Uganda like many developing countries, financial management units are facing numerous performance challenges as a result of untold pressure, overwhelming deadlines, limited resources, political patronage and limited professional skills among the practioners. To unravel these impediments, drastic mechanisms need to be put in place to ensure a common balance among all stakeholders; financial resources must be used in a...
July 2021
African Journal of Biotechnology
Control of ginseng leaf black spot disease by endophytic fungi
Ginseng plants associated with a number of fungi, several of which are reported to protect it from pathogens, thus improving plant growth. This study aimed to screen Panax ginseng leaves for endophytic fungi and to assess these fungi for their efficacy to inhibit ginseng black spot disease caused by Alternaria panax. A total of 256 endophytic fungal isolates were obtained from P. ginseng leaves. Most of the fungal...
July 2021
African Journal of Plant Science
Genetic variability and correlation of agronomic and malt quality traits in Ethiopian sorghum [Sorghum bicolor (L.) Moench] landraces at Sheraro, Northern Ethiopia
Sorghum (Sorghum bicolor (L.) Moench) is a major cereal crop, grown in a wide range of agro-ecology. However, in Ethiopia there are very few high yielding improved sorghum varieties for malting purpose. A field experiment was conducted at Sheraro, sub-site of Mytseberi Agricultural Research Center during the 2017 cropping season. The objectives of the study were to identify sorghum landraces with high grain yield, study...
July 2021
African Journal of Business Management
Notice of Retraction: Factors associated with young Taiwanese people’s preference of green tea
The editors of the African Journal of Business Management (AJBM) are retracting the article, “Factors associated with young Taiwanese people’s preference of green tea” published in 2017 with details: Vol. 11(16), pp. 415-425, 28 August, 2017. This is based on verifiable evidences of data manipulation, falsification and plagiarism presented by the original owners of the research...
July 2021
Journal of the Nigeria Society of Physiotherapy
Relationship between post-stroke spasticity and functional ambulation among Nigerian stroke survivors
Ambulation is a common goal of stroke rehabilitation that is often linked to lower limb spasticity. This study was conducted to investigate the relationship between paretic lower limb spasticity and functional ambulation after stroke. Thirty stroke survivors (19 males) aged 57.77 ± 9.52 years participated in this correlational cross-sectional study. Spasticity of the paretic lower limb was assessed using the...
July 2021
ISABB Journal of Food and Agricultural Sciences
Prevalence and impacts of fall army worms (Spodoptera frugiperda) on maize (Zea mays) production and productivity in Ethiopia
Maize is a key determinant of food security, mainly grown as subsistence in Ethiopia. It was introduced to Ethiopia in 1600’s from Mexico. Food security of Ethiopia is threatened from time to time due to crop diseases and pests. One of these is fall armyworms (Spodoptera frugiperda, J.E Smith; lepdoptera, Noctudea), which is a recently arrived American origin insect pest. As best contributor of Ethiopian economy...
July 2021
Journal of Public Health and Epidemiology
Ordinal logistic regression analysis of hypertension data and identifying factors that influence the incidence of hypertension in Gondar University Teaching Hospital, North- west Ethiopia
Hypertension is the force of blood pushing up against the walls of blood vessels and it is defined as a systolic blood pressure ≥ 140 mm Hg and/or diastolic blood pressure ≥ 90 mm Hg. It is estimated to cause 9.4 million deaths every year. This study aims to conduct ordinal logistic regression analysis of hypertension severity and identifying associated factors for severity of hypertension, using the data of...
July 2021
African Journal of Business Management
Analysis of the effects of COVID 19 on the operations and sustainability of SMEs in South Western region, Uganda
SMEs are considered huge boosters to the economy of Uganda. They serve as the engine and driving force for growth, development, innovation, economic prosperity and wealth creation of Uganda. The study aimed at establishing the upshot of COVID 19 on the operations and sustainability of SMEs in Uganda with a view to creating a lucid model for successful SMEs operations and improved performance. The study examined factors...
July 2021
Journal of Public Health and Epidemiology
Integrated approach in the control of neglected tropical diseases with cutaneous manifestations in four municipalities in Benin: A cross-sectional study
The integrated approach is the new recommendation of the World Health Organization (WHO) for the control of neglected tropical diseases. The goal of this cross-sectional study was to implement this approach in 4 municipalities with a high prevalence of leprosy in Benin from September 2019 to August 2020. Mobile medical consultations were organized in these municipalities following the mobilization and sensitization of...
July 2021
African Journal of History and Culture
The origin and disappearance of the Wambambali tradition and the succeeding Wagogo communities in Dodoma: Oral stories from elders
The current fast growth of the city of Dodoma in central Tanzania threatens cultural heritage materials scattered on the landscape. However, natural processes such as weathering and erosion also add to this threat. Earlier, we reported on the existence of two cultural traditions on this landscape, the Middle Stone Age artefacts and the much younger Wambambali tradition based on pottery, grinding stones and remains of...
July 2021
Journal of Media and Communication Studies
Politeness in media talk shows: The case of media panel discussions in Ghana
In human communication, the communicators involved in the interaction have an obligation to show politeness to each other for a successful conversation. Non-observance of politeness in a communicative act such as panel discussions has the potential to infringe upon the public self-image of the addressees. Situated in Brown and Levinson’s Politeness Theory (PT), the paper sought to explore the kinds of politeness...
July 2021
African Journal of Environmental Science and Technology
Effect of spilled engine oil on soil quality indicators and physiological performance of maize, cowpea
and sorghum
Soil contamination through oil spillage accumulates in the soil and affect plant growth. The study was conducted to examine the effect of spilled engine oil on soil nutrients and germination of seed in the in the Central region of Ghana. Ten samples were collected randomly from selected mechanic and fitting sites in the Elmina municipality. A randomized complete block design using three test crops was used to evaluate...
July 2021
International Journal of Biodiversity and Conservation
Impact of protected areas on the livelihood of locals: A case study in Saadani National Park, Tanzania
We randomly selected 200 households from the four villages (50 per village) based on the household distance from the park: villages settled close to the park and villages settled further away from the park. Besides, qualitative methods including focus group discussions and direct observations, were used. Community activities differed between the two groups of villages (close and far from the park). Furthermore, local...
July 2021
Journal of Physiology and Pathophysiology
Antifertility effects of crude extracts from Acacia nilotica pods and Albizia lebbeck stem bark in female multimammate rats, Mastomys natalensis
The study's main objective was to assess any pathophysiological significance of Acacia nilotica pods aqueous extract and Albizia lebbeck stem bark methanolic extract on the reproductive system of female multimammate rats (Mastomys natalensis). A total of 60 sexually mature female rats were randomized into a 2 × 3 factorial experimental design for treatments (Control, A. nilotica, and A. lebbeck) and treatment...
July 2021
International Journal of Psychology and Counselling
Determination of the interest of Federal University of Agriculture, Makurdi veterinary students in veterinary medicine and pharmacology: Implications
for counselling
The present study is carried out to determine the interest of veterinary students in veterinary medicine and pharmacology and the counselling implications. One hundred and thirteen students of veterinary college, Federal University of Agriculture, Makurdi were randomly sampled for determination of their interest in veterinary medicine and pharmacology using age, sex and levels of study. The results showed that the sex...
July 2021
International Journal of Biodiversity and Conservation
Forest cover change due to large scale agriculture plantation and community perception of its impact on climate variability in Nguti sub-division, South West Cameroon Region
This study was carried out to evaluate the effects of plantation agriculture on land use, land cover change in the Nguti sub division and to investigate resident’s perception about the effects of land use, land cover change on local climatic variability. Satellite maps from Landsat multispectral images were processed using Arc GIS 8 to assess land cover change overtime. Structured questionnaires, focused group...
July 2021
African Journal of Pure and Applied Chemistry
Synthesis of N-alkyl-3- (1H-benzimidazolyl) -2-chloroquinoline derivatives potential candidates against infectious organisms
In the search for new drugs possessing the activities we have sought to synthesize new quinoline derivatives which constitute a basic heterocyclic support of some drugs such as quinine, chloroquine marketed under the name Nivaquine®, Mefloquine®, used in the treatment of malaria. The objective of this work is to contribute to the synthesis of new derivatives of quinoline. It consists in introducing heterocycles...
June 2021
African Journal of Microbiology Research
Shelf stability of processed cocoyam flour during storage at room temperature (28.0 ± 2°C) for a period of four months
The shelf life study of dry milled cocoyam flour packaged in low density polyethylene was carried out for a period of 4-month. Microbiological, nutritional, physicochemical quality characteristics and aflatoxin content were evaluated. The total viable bacterial counts ranged from 1.6×103 - 4.8×105 cfu/g while the total viable fungal count increased from 5.0 × 101 - 3.8 × 105 sfu/g. The...
June 2021
Educational Research and Reviews
Mathematics anxiety, attitude and performance among secondary school students in Kenya
Mathematics anxiety and attitude have a great influence on mathematics performance. This article presents an analysis of the relationship between Mathematics anxiety, attitude and performance. The study adopted a correlational research design. The analysis is based on the responses of 367 students who were randomly selected from 55 secondary schools. An adapted Mathematics Anxiety Scale (MAS) and Attitude towards...
June 2021
African Journal of Food Science
Effects of processing on nutrient composition in
guava- and jackfruit-based snacks
Guava and jackfruit are popular fruits in East Africa. With consideration of the high post-harvest losses of these two fruits and only seasonal availability, this study aimed to produce nutrient rich fruit-based snacks to decrease this problem and make use of surplus fruits during on-season. Given the nutritional situation in East Africa, these products were also developed to have a high content of desired nutrients....
June 2021
African Journal of Microbiology Research
Monitoring of physicochemical and microbiological parameters during nonnonkoumou (artisanal curdled milk) production in Daloa, Côte d’Ivoire
This study aimed to study physicochemical and microbiological parameters during nonnonkoumou production. A total of 15 samples were analyzed during this study at a rate of 3 samples per fermentation time (T0 h, T6 h, T12 h, T18 h and T24 h). The physicochemical analyses showed a drop in pH (from 7.03 ± 0.028 to 4.59 ± 0.021) during the 24 h of fermentation. The titratable acidity increased from 0.30...
June 2021
African Journal of Microbiology Research
Molecular characterization of carbapenem resistant Gram-negative rods in Neonatal Intensive Care Unit of Mansoura University Children's Hospital
Carbapenems are group of extended-spectrum β-lactam antimicrobials frequently used for treating multidrug-resistant Gram-negative bacilli (GNB) infections. This study aimed at detecting and characterizing carbapenem resistance (CR) genes among GNB isolated from patients treated in neonatal intensive care unit (NICU) of Mansoura University Children's Hospital (MUCH), Egypt. It is a prospective study conducted...
June 2021
Journal of Medicinal Plants Research
Phytochemical properties and antimicrobial activity of Buchholzia coriacea and Psychotria microphylla leaf extracts on bacterial pathogens isolated from aquatic environments in Nigeria
The use of medicinal plants as alternative therapy for the treatment of microbial infections is significant in the maintenance of good health, especially in developing countries. The aim of this study was to determine the phytochemical composition and antimicrobial activity of Buchholzia coriacea and Psychotria microphylla leaf extracts on bacteria isolated from aquatic environments in Nigeria. Exactly 736 water samples...
June 2021
Journal of Medicinal Plants Research
Anti-bacterial activity of secondary metabolites from Chrysanthemum cinerariaefolium
This study evaluated antibacterial activity of Chrysanthemum cinerariaefolium (pyrethrum) flower dichloromethane crude extract, fractions and isolated compounds; pyrethrin II, jasmolin I and cinerolone against methicillin-resistant Staphylococcus aureus (MRSA), Pseudomonas aeruginosa, Staphylococcus aureus and Shigella sonnei. The isolated compounds were obtained by carrying out column chromatography on dichloromethane...
Page 2 of 1221, showing 50 records out of 61021 total, starting on record 51, ending on 100
