Articles
Page 4 of 1155, showing 50 records out of 57748 total, starting on record 151, ending on 200
March 2019
African Journal of Biotechnology
Polymorphisms in IL-10 (-1082) and IFN-đž, (+874) cytokine genes associated with resistance or susceptibility to Schistosoma haematobium infection in primary school children of Mount Darwin, Zimbabwe
The promoter region of human interleukin-10 (IL-10) gene is highly polymorphic while the first intronic region of interferon gamma (IFN-ď§) gene is also highly polymorphic. These polymorphisms are associated with susceptibility or resistance to Schistosoma haematobium infection. Schistosomiasis is known to be a highly inflammatory disease that requires the delicate balance of pro- and anti-inflammatory cytokines. The...
March 2019
Educational Research and Reviews
English teachersâ opinions on problems encountered in English language teaching in schools: The case of KarabĂźk
The opinions of English teachers on the problems encountered in English teaching in the schools in Karabük Province were examined in this study, by taking a variety of variables into consideration. There are 231 English teachers in state schools in Karabük. A total of 67 English teachers serving in the primary schools, secondary schools and high schools in the central districts of Karabük Province-Turkey...
March 2019
Educational Research and Reviews
An investigation of pre-service basic education teachersâ learning styles in terms of different variables
Learning process varies from student to student. In a related research, it is argued that one of the basic elements for this variation is due to student’s distinct learning styles. Planning learning situations based on the knowledge of learners’ learning styles can be more effective and efficient. With the learning-teaching process designed in accordance with the learning styles of students, it is possible...
March 2019
Educational Research and Reviews
High school studentsâ seismic risk perception and preparedness in Savar, Dhaka
People in Dhaka, where disaster risk of earthquake is the most due to its high population density and rapid urbanization, are in extreme danger of earthquake. However, the study on assessment of the real scenario of residents’ perception of earthquake risk is very little. The purpose of this cross-sectional study is to assess the seismic risk perception and preparedness about earthquake among high school students...
March 2019
Educational Research and Reviews
The effect of tablet use on studentsâ success in English as a Foreign Language (EFL) grammar classroom
Integration of tablets in teaching English as a Second or Foreign language has been popular in recent years. However, there is limited evidence to prove the effect of tablet use on the acquisition of specific language skills. This paper aims to investigate the impact of tablet use on students’ mastery of grammar skills. In order to answer the research questions, an experimental pretest-posttest with a control...
March 2019
Journal of Medicinal Plants Research
Edraianthus pumilio (Schult.) A. DC.: Phytochemical and biological profile
Edraianthus pumilio is stenoendemic plant native to Dalmatia, Croatia. This paper deals with its phytochemical and biological profile. Phytochemical profile of volatile oil was performed by the gas chromatography–mass spectrometry (GC/MS), while total phenolic content of its aqueous extract was performed by Folin-Ciocalteu method. The phytochemical analysis showed that the main volatile oil compounds were nonanal...
March 2019
Journal of Medicinal Plants Research
Protective effects of Pleurotus ostreatus in ameliorating carbon tetrachloride (ccl4) induced liver injury in Wistar rats
Since oxidative stress is implicated in the pathogenesis of liver diseases, this study was carried out to evaluate the hepatoprotective, hematoprotective and hypolipidemic effects of Pleurotus ostreatus (Oyster mushroom) in Carbon Tetrachloride (CCl4) induced liver injury in wistar rats. Thirty rats were used for this study. The rats were divided into five groups of six rats per cage. Group I that served as the normal...
March 2019
Journal of Medicinal Plants Research
Identification of annotated metabolites in the extract of Centella asiatica
Plants contribute to 75% of molecular medicines (MM) either directly or indirectly. Centella asiatica (CA) is being extensively used in experimental and clinical studies. However, its scientific approval is not forthcoming. It is well known that every plant contains useful as well as some harmful compounds. Subjecting whole plant extracts containing harmful compounds to modern pharmacological methods will only...
March 2019
African Journal of Pharmacy and Pharmacology
Effect of Maytenus senegalensis roots on OVA-induced airway inflammation in a mouse asthma model
The present work is focused on the evaluation of the Maytenus senegalensis roots effect on bronchial hyperleukocytosis and the search of its antioxidant potential both in vitro and in vivo. The roots of M. senegalensis (Celastraceae) are traditionally used for the treatment of cough and asthma. This study evaluates the effect of the hydroalcoholic extract of the roots of M. senegalensis on the bronchial...
March 2019
African Journal of Pharmacy and Pharmacology
Antibacterial resistance modulatory properties of selected medicinal plants from Ghana
Bacterial resistance to antibiotics is a serious challenge to human and animal health and all efforts are being put together to resolve the menace. In this study the antibiotic resistance modifying activity of ten plants was established by determination of the minimum inhibitory concentrations (MICs) of the plant extracts, the MICs of the antibiotics alone (amoxicillin, ciprofloxacin, erythromycin and tetracycline) and...
March 2019
African Journal of Microbiology Research
Inhibition of Streptococcus mutans (ATCC 25175) biofilm formation on eugenol-impregnated surgical sutures
The use of bioactive compounds as anti-infective coating on biomaterial surfaces has been studied as a tool against microbial adhesion and the establishment of biofilms. The objective of this work was to evaluate the antibacterial activity of eugenol, specifically the ability to interact with cotton suture threads for preventing adhesion and biofilm formation of Streptococcus mutans (ATCC 25175). The minimum inhibitory...
March 2019
African Journal of Microbiology Research
Utility of molecular diagnostic method compared with conventional methods in detection of etiologic agents of central nervous system infections in Rwanda
The incidence of meningoencephalitis in developing countries is high and its diagnosis being inadequate as it is mainly based on conventional methods with a limited diagnostic capacity for bacterial, fungal and viral detection. This results in prescription of a cocktail of antibiotics, antifungal, or anti-viral drugs, since the causative agent is often unknown. There is therefore need for timely and appropriate...
March 2019
African Journal of Agricultural Research
Development and technical validation of spray kit for coffee harvester
Spraying a coffee plantation simultaneously with harvesting ensures that the coffee plants are protected from pests and diseases, which are intensified during this period. In addition to economical operation, the pulverizer adapted to all harvester models promotes greater uniformity in pulverized syrup dispensing since the spray tips are arranged evenly around the plant. Two experiments were carried out in the...
March 2019
African Journal of Agricultural Research
Pig compost for the formation of coffee seedlings in the substrate composition
Pigs can be used in the formation of coffee seedlings; it gradually provides essential nutrients for the development of plants, in addition to promoting the improvement of the substrate and water retention. It was decided, with this work, to evaluate the use of pig compost in the formation of coffee seedlings. The topics studied were: T1 - Witness (absence of organic compound); T2-30% concentration of cattle compost;...
March 2019
African Journal of Agricultural Research
Correlation of climatic elements with phases of the lace bug Vatiga illudens (Hemiptera: Tingidae) in two cassava cultivars (Manihot esculenta Crantz, Euphorbiaceae)
Cassava (Manihot esculenta Crantz) is subject to various disease problems and insect attacks. The aim of this study was to evaluate the correlations of climatic elements on the phases of the lacebug, Vatiga illudens in two cultivars of cassava. The study was carried out in a greenhouse using the ‘Sergipana’ and ‘Campina’ cultivars. Data were analyzed using the Pearson index for linear...
March 2019
African Journal of Agricultural Research
Comparison of cyanobacterial bio-fertilizer with urea on three crops and two soils of Ethiopia
Although chemical fertilizers have long been used to meet the high demand of nitrogen (N), the most common limiting nutrient to plant growth, the frequent use of this fertilizer gradually deteriorates soil fertility in addition to its high cost, lower supply and agronomic use efficiency in Ethiopia. Nevertheless, N-fixing cyanobacterial biofertilizers are eco-friendly, and currently considered important to support the...
March 2019
African Journal of Agricultural Research
Genetic variation and heritability of kernel physical quality traits and their association with selected agronomic traits in groundnut (Arachis hypogeae) genotypes from Uganda
Breeding for improvement of physical kernel traits has a direct implication on acceptance of groundnut varieties. However, the genetic parameters associated with these traits are not well documented. Ten groundnut lines were evaluated in a Randomized Complete Block Design experiment with three replicates in 2015. Data were collected on yield parameters and pod and kernel physical traits. Mean values were used to...
March 2019
African Journal of Agricultural Research
Evaluation of the effectiveness of different trap designs for the monitoring of Drosophila suzukii (Matsumura, 1931) (Diptera: Drosophilidae) in blackberry crop
Spotted Wing Drosophila (SWD), Drosophila suzukii is one of the most important pests in berry crops around the world. In this study, different models of traps were evaluated for monitoring adult SWD. The study was conducted in a commercial blackberry orchard of the cultivar Chester, in the municipality of Vacaria, RS, Brazil in May 2016. The treatments consisted of three trap designs, namely the European model...
March 2019
African Journal of Agricultural Research
Analysis of factors affecting the demand for inorganic fertilizer in Boricha and Wondogenet Districts, Southern Ethiopia
A study was undertaken to analyze factors affecting the demand for inorganic fertilizer in Boricha and Wondogenet farming Districts, Southern Ethiopia. Data on gender, educational level, farming experience, health status, soil fertility status, organic fertilizer used, access to inorganic fertilizer, ownership and size of cultivated farm, on-farm income, contact with DAs, availability of certified seed, and credit...
March 2019
African Journal of Biotechnology
Physicochemical and microbiological stability of muffins packed in actives edible coatings from cassava starch: Inverted sugar/sucrose and natural additives
The aim of this study was to develop edible coatings containing natural additives incorporated to the matrix of cassava starch, for use in muffins, as well as to evaluate the efficacy of its use in the increase of shelf life and maintenance of the products characteristics. Seventeen film forming formulations were developed following a central composite experimental design (CCD). The influence of independent variables...
March 2019
African Journal of Biotechnology
Genetic diversity of antibiotic and plant extract resistant Staphylococcus aureus isolated from hospitalized patients in Ekiti State, Nigeria
This study aimed to determine the genetic diversity of antibiotics and plants extract resistant Staphylococcus aureus using molecular technique. A total of 106 human clinical samples were collected from patients in three different hospitals within Ekiti State. Microbiological and molecular analyses were performed using standard methods. Antimicrobial susceptibility test with common antibiotics and plant leaves extracts...
March 2019
African Journal of Biotechnology
Genetic diversity using random amplified polymorphic DNA (RAPD) and inter-simple sequence repeats (ISSR) markers in Tinospora cordifolia from the Rayalseema region in Andhra Pradesh
Tinospora cordifolia is a highly important medicinal plant in India, with a rich source of different secondary metabolites. In the present study, 12 samples of T. cordifolia (collected from different areas of Rayalseema region,Andhra Pradesh) were studied for genetic diversity using 15 random amplified polymorphic DNA (RAPD) and eight inter-simple sequence repeats (ISSR) markers. Out of them, 10 RAPD and 5 ISSR primers...
February 2019
African Journal of Environmental Science and Technology
Water quality problems, related challenges and their impacts on Ethiopian fishery
The purpose of this review article is to explore the drivers of the water quality problems and associated impacts and mitigation schemes of the fishes and fisheries in Ethiopia. Data were obtained from both published and unpublished online documents as well as from different Ethiopian universities and institutions. The country has the potential to produce more fish yield (94, 500 ton/year. The published and unpublished...
February 2019
African Journal of Environmental Science and Technology
Modelling and simulation of atmospheric conditions impact on photovoltaic production in Saint Louis area
In this study, we worked on the modelling and the simulation of atmospheric conditions impact on photovoltaic production in Saint Louis area. Using Ineichen's model based on the disorder factor of Link, an assessment of sunshine in the study area was made. A characterization of the irradiation is elaborated by modelling the radiation and by simulating outputs of a photovoltaic power plant. We can estimate aerosols...
February 2019
African Journal of Environmental Science and Technology
Conditions of available sources of water for domestic use in selected communities in Ado-Ekiti, Ekiti State, Nigeria
The challenges of high quality water for domestic use and particularly for potability must be overcome in its entire ramification for health and ecological environment. The aim of this study is to identify the conditions of domestic water sources in Ado-Ekiti. One water sample was drawn from the two different sources of water, that is, shallow well and Ureje River at Ureje, and two samples from one water source, that...
February 2019
African Journal of Environmental Science and Technology
Waves-waves collide induced by different wind directions caused high exchanged in the water level at the open area Shallow Lake, China
Wind from different directions induce waves-waves to collid at the central zone of Taihu Lake. It causes exchange in water bodies and release of internal nutrients which increases algal bloom. This study aims to analyz the impact of the interactions between waves-waves collision from different directions and different sources such as traveling ships and explored factors, causing sediment resuspension. The results were...
February 2019
International Journal of Livestock Production
Toxin and toxin-binders affecting the performance, organs, haematology and histological characteristics of broilers fed with infected diets
The potency of four varieties of toxin binders (labeled A, B, C and D) on the physiological status of broiler birds fed with diets infected with aflatoxin was investigated. Six experimental diets were formulated: Diet 1 was infected with aflatoxin without binders, Diets 2 to 5 were infected but binders A, B, C or D were added, while Diet 6 was the control diet without infection. 180 birds were equally and randomly...
February 2019
International Journal of Livestock Production
Effects of snail offal meal on performance of broiler chickens
The study investigated the effects of inclusion of various levels of snail offal meal (SOM) on the performance of broiler chickens. The study was carried out in the animal farm of the Department of Animal Science, Nnamdi Azikiwe University, Awka Anambra State. The experiment was designed on a 4×3 Completely Randomized Design (CRD) with four dietary treatments having 0, 2.5, 5 and 7.5% inclusion of SOM over a...
February 2019
International Journal of Livestock Production
Major causes of chicken mortality in and around Hawassa City, Sidama Zone, Southern Ethiopia
A cross sectional study was conducted from November 2017 to March 2018, to assess major causes of chicken mortality and identifying parasite types in and around Hawassa city, Southern Ethiopia. One hundred sixty respondents were selected using multistage sampling technique. Questionnaire and laboratory data were analyzed using STATA version 14. Among the respondents 34% kept their chicken extensively while 52 and 14%...
February 2019
International Journal of Livestock Production
Effects of sources of dietary protein supplemented to oat-vetch hay mixture on milk yield and milk composition of crossbred dairy cows
The experiment was conducted in Debre Zeit Agricultural Research Center with the objective of evaluating the effects of sources of dietary protein supplemented to oat-vetch mixture hay on milk yield, milk composition and profitability in lactating crossbred dairy cows. Four high grade cross bred (Holstein Friesian × Boran) dairy cows with similar lactation stage (mid lactation) and parity were used. The...
February 2019
International Journal of Livestock Production
Urban poultry production systems and constraints of local and exotic chickens reared in Yirgalem and Hawassa Towns, Ethiopia
Rearing of chicken plays important roles on both the rural and urban economy of Ethiopia. This study was conducted to assess urban poultry production system and productive performance of local and exotic chickens reared at Yirgalem and Hawassa towns of Southern Ethiopia. Stepwise purposive sampling method followed by random sampling was used to select the respondents. In total, 180 respondents were selected based on...
February 2019
Journal of Development and Agricultural Economics
Determinants of rural householdsâ participation in microfinance services: The case of Cheliya District, West Shoa Zone, Oromia National Regional State, Ethiopia
In under developed countries, most of the poor people have limited access to formal financial services, including credit, savings, and insurance. The study was focused on the determinants of the rural households’ participation in microfinance services in the study area. The study was conducted in Cheliya District, Oromia Regional State, Ethiopia. A total of 188 sample households were selected through...
February 2019
Journal of Development and Agricultural Economics
Sesame post-harvest loss from small-scale producers in Kafta Humera District, Ethiopia
Sesame post-harvest loss and its determinants in Kafta Humera, Ethiopia of cross-sectional data were obtained from interviewing 128 producers and measurement at 56 fields. The loss found were at harvesting (16.41%), drying (50.44%), un-threshed (11.55%), piles transportation (9.9%), storage (6.73%), cleaning (3.2%), and leads total loss of 23.7% (4260 Birr/ton). The significant determinants of sesame post-harvest loss...
February 2019
Journal of Development and Agricultural Economics
Market chain analysis of potato and factors affecting market supply in West Gojam Zone, Ethiopia
The study was conducted in South Achefer and Jabi Tehinan districts of West Gojam Zone with the objectives of identifying the major potato marketing channels, to analyze potato marketing cost and margins, and to examine determinants of producer’s potato supply to market. The study took a sample of 100 producers, 70 traders and 40 end consumers randomly. Both quantitative and qualitative data were collected and...
February 2019
International Journal of Fisheries and Aquaculture
The abundance, distribution and diversity of benthic invertebrates of Lake Malombe
The benthic zone of Lake Malombe was sampled for invertebrates, fungi and bacteria using an Ekman Grab measuring 15.2 cm by 15.2 cm. Thirty-six stations were surveyed for macro-invertebrates which were identified to the lowest taxa and enumerated to estimate abundance for the lake. Snails were the most dominant macro fauna, belonging to four genera Melanoides, Bellamya, Bulinus and Lanistes with the mean densities of...
February 2019
International Journal of Fisheries and Aquaculture
Effects of feeding rates and feeding frequencies on growth performance, uniformity of the batch and survival rate of Amazon ornamental fish larvae
The aim of this study is to evaluate the effect of different feeding rates and frequencies on angelfish (Pterophyllum scalare) and severum (Heros severus) larvae. For this purpose, two similar experiments were conducted in parallel. For each experiment, a total of 360 larvae were distributed in 36-1 L aquariums. The experiments were done using a factorial 3x3 completely randomized design, with four replicates. The...
February 2019
Journal of Agricultural Extension and Rural Development
Determinants and challenges of rural livelihood diversification in Ethiopia: Qualitative review
The review was made on determinants and challenges of livelihood diversification in Ethiopia. Different published and unpublished documents were collected through different search engines from different databases, Google scholar and Google. After thorough reading, 42 papers were used to review out of 182 papers. There are a lot of pushes and pull factors that affect rural livelihood diversification. Some determinants,...
February 2019
Journal of Agricultural Extension and Rural Development
Adoption determinants of row planting for wheat production in Munesa District of
Oromia Region, Ethiopia
Agriculture takes the lion’s share in the economic development of many developing countries, including Ethiopia. Agricultural policy of the years has focused on supporting the introduction of improved technologies to boost production and reduce food insecurity. However, outcomes of such agricultural policies have been influenced by different factors of which low adoption of improved agricultural technology is a...
February 2019
Journal of Plant Breeding and Crop Science
Resistance Mechanisms of Tomato (Solanum lycopersicum) to Root-Knot Nematodes
(Meloidogyne species)
Root-knot nematodes (Meloidogyne species) are the most devastating and as such they cause significant yield loss in tomato production. They are widely distributed in major tomato producing areas especially in warm climatic conditions. Because of the environmental impact of the application of pesticides, the use of nematode resistant varieties is becoming the most effective alternative to control root-knot nematodes....
February 2019
Journal of Plant Breeding and Crop Science
Genetic variability studies on bread wheat (Triticum aestivum L.) genotypes
Thirty bread wheat genotypes were tested to assess the genetic variability, among studied genotypes using alpha-lattice design at Tongo sub-center of Assosa Agricultural Research Center and Kulumsa Agricultural Research Center in 2015. Analysis of variance revealed that there were statistically significant differences among the genotypes for most of the traits at individual and across locations. From the combined...
February 2019
Journal of Plant Breeding and Crop Science
Phenotype characterization and diversity assessment of mango (Mangifera indica L.) cultivars in Ethiopia
Little efforts have been made on mango genetic resource assessment in Ethiopia though it is one of the major fruit crops. This study was conducted to assess the diversity of 69 mango cultivars of different growing regions of the country based on 44 phenotypic descriptors. The results of both univariate and multivariate analysis of variance computed for quantitative data, and results from descriptive statistics for...
February 2019
Journal of Veterinary Medicine and Animal Health
Atresia ani associated with recto-vaginal fistula in two months old Sudanesse crossbreed lamb
A case of atresia ani with recto-vaginal fistula was observed in a two-month old Sudanese crossbred lamb. On physical examination, the abdomen was distended, and there was bulging around the perineal region and severe straining. Upon palpation, the anal ring was felt at the anal area, voiding of feaces and urine from the vaginal opening was seen, while the fistula was felt upon vaginal palpation. Reconstructive...
February 2019
Journal of Veterinary Medicine and Animal Health
Bovine mastitis: Prevalence, Isolation and identification of major bacterial pathogens in selected areas of Bench Maji Zone, Southwest Ethiopia
A cross-sectional study was conducted to determine the prevalence of mastitis in bovines and to, isolate and identify the major bacterial pathogens of lactating cows in six selected woredas of Bench Maji Zone of Southwestern Ethiopia from June 2017-October 2017. Three hundred eighty four lactating cows were examined for mastitis by combination of udder physical examination, California Mastitis Test and subsequent...
February 2019
Journal of Veterinary Medicine and Animal Health
Common health and welfare problems of working donkeys in Addis Ababa and its surrounding area: Retrospective and questionnaire survey
A retrospective study was conducted to assess the health and welfare problems of working donkeys at the Merkato Donkey Sanctuary clinic in Addis Ababa, Ethiopia. Data on 12,991 working donkeys from 2008 to 2010 were analyzed from the data record sheet kept by the clinic. Results on the age distribution of donkeys showed that the average age of the donkeys was around nine years old. Only 7.37% of the donkeys were with...
February 2019
Journal of Veterinary Medicine and Animal Health
Distribution and molecular characterization of avian hepatitis E virus (aHEV) in domestic and wild birds in Burkina Faso
Avian hepatitis E virus (aHEV), clinically important in poultry industry, can cause death and reduce egg production of chickens, resulting in significant economic losses in the poultry industry. However, little is known about this aHEV infection in Burkina Faso. This study presents the results of distribution and characterization of aHEV in domestic and wild birds without clinical disease. In total 173 birds liver...
February 2019
Journal of Veterinary Medicine and Animal Health
Comparative cost analysis of three injectable ivermectin preparations in the control of gastrointestinal nematodes of sheep in Makurdi, Benue State Nigeria
The efficacy and comparative cost analysis of three injectable ivermectin preparations was evaluated in West African Dwarf (WAD) sheep naturally infected with gastrointestinal nematodes. Three anthelmintics: ivomec classic® (IVC), ivomec super® (IVS) and ivomec gold® (IVG) were administered at a dose rate of 200µg/kg to control gastrointestinal nematodes in three treatment groups comprising five...
February 2019
International Journal of Nursing and Midwifery
Assessment of breast cancer risk factors among women of reproductive age group in Oshogbo using Gail model
The study identified the risk factors associated with breast cancer development and determined its prevalence. A cross sectional design using mixed method was adopted for the study. It was conducted in 22 Primary Health Care centres (PHCs) in Osogbo and Olorunda Local government areas of Osun State. A purposive sampling technique was used to select four hundred child bearing age women (19 - 44 years) who brought their...
February 2019
Journal of Public Health and Epidemiology
Community based health insurance as a viable option for health financing: An assessment of household willingness to pay in Lagos, Nigeria
The high cost and effect of out of pocket payments for health care on households in developing countries have led to the use of community-based health insurance (CBHI) as a viable alternative for health care funding. The overall objective of the study was to assess the perception and determinants of willingness-to-pay (WTP) for a proposed community based health insurance scheme in urban and rural households in Lagos...
February 2019
Journal of Public Health and Epidemiology
Superstitious knowledge of the phenomena of teeth eruption in rural area of Ferlo in Senegal
Teeth are physiological phenomenon that appears in child and who begins around 6 to 8 months after birth. The aim of this work was to study superstitious knowledge of the phenomena of teeth eruption in the mothers peulhs of Ferlo in Senegal. The research method was a descriptive and qualitative study; comprising questioning the mothers of children in the phase of active teeth eruption by structured, semi-structured...
February 2019
Journal of Stored Products and Postharvest Research
Degradation of postharvest applied fludioxonil in pomegranate fruit cv. âWonderfulâ and efficacy on the gray mould
Present study aimed to determine the effects of fludioxonil (FLU) against the gray mould disease development on pomegranate fruits; and the residue levels of FLU during 150 days of storage. Pomegranate (Punica granatum) fruits are very susceptible to postharvest decay (Botrytis cinerea Pers.) and very few chemicals are approved for the use in postharvest storage. Studies conducted with ‘Wonderful’ cultivar...
Page 4 of 1155, showing 50 records out of 57748 total, starting on record 151, ending on 200
