Articles
Page 7 of 1176, showing 50 records out of 58772 total, starting on record 301, ending on 350
October-December 2019
Journal of Veterinary Medicine and Animal Health
African animal trypanosomosis in cattle in Bénin: A review
African animal trypanosomosis is a disease transmitted by tsetse flies and tabanid to domestic mammals which seriously affects their health status and considerably reduces their productivity. This study proposes to make a synthesis on the bovine trypanosomosis and the various works undertaken in Benin country from 1960 to 2018. After general information on bovine trypanosomosis, the various vectorial agents responsible...
October-December 2019
Journal of Entomology and Nematology
Characterization of the Soil Nematode Fauna of Makerere Hill, Kampala, Uganda
Soil nematode faunal analysis is necessary to ascertain the health status of the soil ecosystem. Composite soil samples were taken at designated sites; A, B, C and D from the Makerere Hill area, Kampala and analyzed to characterize the nematode fauna status. Soil samples were collected vertically at 0-5 cm, 5-10 cm and 10-15 cm core depths with a 5 cm wide soil auger. A total of 7,900 nematodes were collected from...
October 2019
Educational Research and Reviews
Poverty alleviation through teaching for thinking: A case of one teachers’ college in Masvingo Province
There is an assumption that education is incapacitated to alleviate poverty. The objective of this study is to explore the nature and impact of education being offered at one teachers’ college in Masvingo Province. The study argues that the college is not offering education, which is instrumental for poverty alleviation. Qualitative data were generated using in depth interviews, focus group discussions and...
October, 2019
African Journal of Agricultural Research
Yield gaps, adoption and seed commercial behaviour: Implications for chickpea seed system in Ethiopia
The paper presents the yield gaps, adoption of improved varieties and the commercial behaviour in seed of smallholder chickpea producers based on the primary data collected from 612 randomly selected farmers covering 36 kebeles from 18 chickpea-producing districts, in 2017. The results indicate that the estimated average yield gaps were lower by 37.97 and 49.17% for desi chickpea and by 29.62 and 40.97% for kabuli...
October, 2019
African Journal of Agricultural Research
Effect of level and time of nitrogen fertilizer application on growth, yield and yield components of maize (Zea mays L.) at Arba Minch, Southern Ethiopia
Maize is most important cereal crop used for human diet, livestock fed, and for many industrial applications in many parts of the world. However, the national average productivity is quite below the world average which might be attributed to nutrient deficiency among many problems. A field experiment was conducted during 2016/2017 croppping season to determine the effect of level and time of nitrogen fertilizer...
October 2019
African Journal of Biotechnology
Variable DNA methylation in Ensete (Ensete ventricosum) clones associated with developmental stage revealed by Amplified Fragment Length Polymorphisms (AFLPs) with Methylation-Sensitive enzyme
Ensete (Ensete ventricosum) is an important perennial species in Ethiopia. It is used for food and fiber. The mode of propagation is asexual and sexual. Asexual form of reproduction is by natural and anthropogenic induced sucker. This research aims to investigate and measure the methylation diversity of natural and anthropogenic induced sucker forming Ensete. Twenty-seven individuals from Hawassa University research...
October 2019
African Journal of Biotechnology
Development and validation of an analytical method for quantification of total flavonoids in Alternanthera brasiliana by ultraviolet-visible absorption spectrophotometry
Alternanthera brasiliana is popularly known in Brazil as "penicillin" or "benzetacil" and is used in traditional medicine for the treatment of infections and for the healing of wounds. It is also used as an ornamental plant due to the characteristic purple coloration of its leaves when cultivated in shade. The objective of this study was to develop and validate an analytical methodology by...
October, 2019
African Journal of Agricultural Research
Influence of Nitrogen and Phosphorus fertilizer Rates on Seed Yield, Yield Components and Quality of Onion (Allium cepa L.) at Kulumsa in Arsi Zone, South East Ethiopia
Onion is an important vegetable crop commercially grown both by large and small scale farmers in Ethiopia. Its production is highly dependent on availability of high and good quality seed, which is constrained by a number of problems including declining soil fertility and inappropriate fertilizer application. A study was conducted to investigate the effects of nitrogen (N) and phosphorus (P) fertilizer rates on onion...
October 2019
Educational Research and Reviews
Impact of note taking during reading and during listening on comprehension
This study aims to determine possible impact of note taking during reading and listening on Turkish Language prospective teachers’ comprehension success. Moreover in the study comprehension scores of the groups were investigated in terms of academic score and gender variables. Study was designed in causal-comparative research. The study was conducted with 72 s graders studying at the Department of Turkish Language...
October 2019
African Journal of Food Science
The tomato paste quality attributes along the industrial processing chain
Tomato is widely consumed in the world and its concentrated paste represents the main product from industrial tomato cultivars. One of the industry's biggest challenges is to produce in a sustainable and effective chain to simultaneously fulfill the cost reduction and quality improvement demands. This study aimed to show the loss of tomato paste quality attributes along its industrial processing chain, focusing on...
October 2019
African Journal of Food Science
Phytochemical components of beverages from African star apple (Chrysophyllum albidum) tissue fractions under ambient storage
There is increasing awareness of functional potentials of African star apple (ASA) as an underutilized tropical fruit, yet little is known of alterations to its product properties during storage. Changes in antioxidant and antinutritional composition of beverages derived from ASA peel, pulp and seed coat fractions during 8-week storage at 26°C were investigated. Drinks derived...
October 2019
African Journal of Microbiology Research
Impact of vessels on sediment transport and diversity in Lake Taihu, China
In shallow lakes, waves from different sources play a major role in sediment transport and the release of associated nutrients. This study was conducted to analyze the impacts of waves generated by wind or vessels, on nutrient concentrations and microbial diversity in China’s third largest lake, Taihu. The study area is fixed at 100 m length of sailing vessel and 10 m width from where water samples were collected,...
July –December 2019
Journal of Agricultural Biotechnology and Sustainable Development
Phylogenetic assessment of selected Ghanaian groundnuts, in reference to U.S. mini-core based on Kompetitive allele-specific PCR (KASP) and axiom single nucleotide polymorphism (SNP) array protocols
Groundnut farming has always been an essentially major agricultural venture, both commercially and in subsistence, to the inhabitants of the Northern Regions of Ghana. The current study sought to assess the relationship and genetic diversity, through a phylogenetic analysis, among twenty-five (25) Ghanaian groundnut genotypes, in reference to US groundnut mini-core collection, based on the Kompetitive allele-specific...
July –December 2019
Journal of Agricultural Biotechnology and Sustainable Development
The influence of solvent’s polarity on physicochemical properties and oil yield extracted from pumpkin (Cucurbita maxima) seed
The effect of solvent polarity, polar and non-polar solvents, on pumpkin (Cucurbita maxima) seed oil yield and quality based on selected physicochemical properties was investigated. Five different solvents, like petroleum ether, hexane, cyclohexane, acetone and ethanol were used on a laboratory scale in this study. Results showed that both physicochemical properties and oil yield extracted from the pumpkin seed were...
October 2019
African Journal of Microbiology Research
Characterization of bacterial pathogens associated with milk microbiota in Egypt
Milk is a substantial source of nutrients needed by all humans across lifespan development. Given its nutritional composition, milk is considered a vehicle for various microbes including beneficial and pathogenic bacteria. In this study, 270 milk samples comprising raw cow and buffalo milk and pasteurized milk with different shelf-life durations were tested along with pasteurized organic milk for the presence of...
October-December 2019
Journal of Ecology and The Natural Environment
Applying an indirect method for estimating and modelling the aboveground biomass and carbon for wood energy in the arid ecosystems of Aϊr Tenéré of Niger
Maintaining the economic, ecological and social services provided by the oases and the valley ecosystems of Aϊr, in the northern part of Niger, is important for local communities. The purpose of this study is to evaluate the supply and regulation services provided by these ecosystems through wood energy and carbon sequestration. Semi-structured surveys and dendrometric parameter measurements of woody species were...
October 2019
African Journal of Microbiology Research
Isolation and characterization of potential phosphate solubilizing bacteria in two regions of Senegal
Many soils of the inter-tropical regions are P-deficient because of their high fixing power and low P content. Rock phosphate resources used to produce the phosphate fertilizers are exhausted and chemical fertilizer are causing environmental degradation. This issue raised the question of sustainability of fertilization and subsequently has enhanced the interest in the use of microorganisms as biofertilizers. The aim of...
October 2019
African Journal of Microbiology Research
High frequency of Torque Teno virus (TTV) among Egyptian hemodialysis patients
Very little reports are yet available for the infection rate of Torque Teno virus (TTV) among hemodialysis patients in Upper Egypt. Thus, the aim of this study was to assess the frequency and the possible genotypes of TTV in chronic renal failure patients undergoing dialysis. This cross-sectional study was carried out between August 2016 and February 2017 in three haemodialysis units in Minia, Egypt. Blood samples were...
July-December 2019
African Journal of Mathematics and Computer Science Research
An air quality composite index based on pollutant concentration factor analysis
To overcome the problems of Air Quality Index in describing regional short-term air quality status and changing trend, based on the daily average concentrations of six air pollutants affecting regional air quality in Zhengzhou from 2015 to 2018, this paper analyzes their correlation characteristics and defines an air quality composite index instead of the original index by using factor analysis method, which not only...
July-December 2019
Journal of Civil Engineering and Construction Technology
Enhancing the strength of sandcrete blocks using coarse aggregates
This current article explores the possibility of adding aggregate (10 mm size) to sandcrete mixes in order to enhance the strength of the sandcrete blocks. Four different kinds of mixes were made; the first one was used as a reference without the addition of course aggregate, and in the remaining three, course aggregates were added in percentages of 5, 10 and 15% by volume of the reference mix. Laboratory experimental...
July –December 2019
Journal of Cereals and Oilseeds
Technological application of the butter of Pentadesma butyracea: A comparative evaluation of its cosmetic behaviour with Vitellaria paradoxa butter
Pentadesma butyracea butter is a vegetable fat obtained from the kernels of the P. butyracea tree. It is a potential source of fat for the food and cosmetics sectors. This study evaluated the quality characteristics of the cream and soap processed from the butter of P. butyracea in comparison to similar product from the Vitellaria paradoxa butter. The same cosmetic products were produced with P. butyracea and V....
October, 2019
African Journal of Pharmacy and Pharmacology
Evaluation of hypoglycemic activity and safety of Carica papaya seed extracts in alloxan-induced
diabetic mice
Carica papaya is used for the treatment of many diseases such as stomach upsets, diarrhoea, bilharzia, diabetes. The study aims to evaluate the safety and hypoglycemic potential effect of Carica papaya seeds on alloxan induced diabetic mice. DCM extracts were examined for the presence of terpenoids, flavonoids, steroids, phenols, tannins and alkaloids. Toxicity profile was established at 5, 50, 200, 300 and 2000 mg/kg...
July-December 2019
Journal of Dentistry and Oral Hygiene
Miswak: The underutilized device and future challenges
There have been many studies on the practice of maintaining dental health. Although most people currently use a toothbrush to maintain the cleanliness of mouth, specific populations still used miswak as an alternative tool for oral health care. This study was designed to answer the future challenges of use of miswak as a tool to maintain oral health according to modern sciences. The history, features, function,...
October 2019
African Journal of Biotechnology
Characterization of three full Iris yellow spot virus genes of a garlic-infecting isolate from Zimbabwe using next-generation sequencing technology
Iris yellow spot virus (IYSV) is an important pathogen of Allium species worldwide. It has a tripartite genome consisting of the large (L), medium (M) and small (S) RNA segments. Despite its worldwide distribution, very few complete gene and genome sequences are available in public databases. The aim of this study was to obtain full gene sequences of a garlic-infecting IYSV isolate by next-generation sequencing (NGS)...
October 2019
African Journal of Biotechnology
Economic viability of the biogas produced on pig farms in Brazil for electric power generation
Electric energy generated by clean and renewable sources, such as biogas, is a subject widely discussed and of global importance. Biogas, besides being an alternative to other fuels uses a raw material, which in many cases is considered disposable, worthless and harmful to the environment when not correctly disposed of. Several factors influence the design, operation and collection of the final product. This paper is a...
October 2019
African Journal of Biotechnology
Comparison of embryo developmental rates in Nguni, Bonsmara and Boran beef cattle breeds following in vitro fertilization and artificial insemination
The aim of this study was to compare the embryonic developmental rates in the Southern African cattle breeds. To do this, cryopreserved semen straws from Nguni, Bonsmara, and Boran bulls were thawed at 38°C and evaluated for sperm motility characteristics using Sperm Class Analyser (SCA). The fertilizing ability of frozen/thawed sperm was evaluated by performing artificial insemination (AI) and in vitro...
October 2019
African Journal of Food Science
Development and characterization of biodegradable films from fermented yam (Dioscorea trifida L. f.)
The objective of this work was to develop and characterize biodegradable starch films at 14 and 21 days of fermentation, aiming to develop packaging with added value. For the extraction of starch, yam tubers were washed, crushed, filtered and fermented for 14 and 21 days, and then filtered and dehydrated. Water-starch-glycerol mixtures were prepared in a randomized design using a factorial scheme (5x2), with five...
October-December 2019
Journal of Horticulture and Forestry
Morphological characterization and Simple Sequence Repeats (SSRs) based DNA fingerprinting of selected mango (Mangifera indica L.) genotypes in Bangladesh
Nineteen genotypes of mango including nine released varieties viz. BARI Aam-1, BARI Aam-2 (Laxmanbhog), BARI Aam-3, BARI Aam- 4 (Hybrid), BARI Aam-5, BARI Aam-6, BARI Aam-7, BARI Aam-8, BARI Aam-9; one parental line viz. M- 3896 and nine Geographical Indication Crops (GIs) viz. Haribhanga, Surjapuri, Fazli, Gourmoti, Ashwina, Khirsapat, Gopalbhog, Langra and Ranipasand were characterized with a view to identifying the...
October, 2019
African Journal of Agricultural Research
Labour cost implication of malaria and perception of cocoa farmers on its preventive measures in Ondo State, Nigeria
The study was executed to examine the cost implication of labour used by cocoa farmers during periods of incapacitation caused by malaria and to determine the perception of the farmers on malaria preventive methods. Descriptive statistics were used to classify farmers by days of incapacitation and the cost of labour for cocoa plantation management when farmers were absent from the cocoa plantation because of malaria. A...
October, 2019
African Journal of Agricultural Research
Effect of planting time and fungicide application frequency on severity of late blight (Phytophthora infestans), yield and yield components of potato (Solanum tuberosum L.) at Kulumsa, Southeast Ethiopia
Phytophthora infestans is the major bottleneck in potato production in Ethiopia. Selection of appropriate planting time is highly location specific and the most important subject in rain-fed potato production. However, research recommendation on optimum planting time and fungicide application frequency for high lands area of Arsi (Kulumsa) is lacking. Thus, field experiment was carried out to evaluate the effect of...
October 2019
Journal of Development and Agricultural Economics
Livelihood impacts of Calliandra calothyrsus and Sesbania sesban: Supplementary feed in smallholder dairy farms in Kenya
An agroforestry land use system aimed at improving the productivity of smallholder dairy farms using Calliandra calothyrsus and Sesbania sesban shrubs as feed supplements was introduced to semi-commercial SDFs in Meru, Kenya, as part of a field trial. The objective of this study was to assess the impact of using the C. calothyrsus and S. sesban on family income and livelihoods during the 16-month trial period. Eighty...
October 2019
African Journal of Biotechnology
Genetic diversity assessment of yams (Dioscorea spp.) from Ethiopia using inter simple sequence repeat (ISSR) markers
The genetic diversity and relationships of 70 accessions of yam belonging to Dioscorea cayenensis/Dioscorea rotundata complex (55), Dioscorea bulbifera (13) and Dioscorea alata (2, as a reference) were assessed using six inter simple sequence repeat (ISSR) primers. DNA was extracted from a bulk of two plants per accession using a modified cetyl trimethyl ammonium bromide (CTAB) method. Six ISSR primers amplified 77...
October 2019
Journal of Development and Agricultural Economics
Factors affecting the technical efficiency of oil palm fruit processing units in South-East Benin
As the independent Benin's first export crop, oil palm continues to play an important role in the Beninese economy and society despite the decline in its production that has begun since the 1970s. It is present in most cropping systems throughout southern Benin. The objective of this article is, on the one hand, to assess the level of technical efficiency of oil palm fruit processing units in South-East Benin and,...
October-December 2019
International Journal of Psychology and Counselling
A historical perspective of the field of emotional and behavioral disorders: A review of literature
The purpose of this paper is two-fold. First, to review relevant literature forming the foundation of the field of emotional and behavioral disorders. This historical methodology focuses on examining research from the 1700s to 2017, starting with the history of emotional disorders, the Freudian theory, the federal special education laws that emerged throughout history, and lastly tracing its evolution within the...
October-December 2019
Journal of Media and Communication Studies
Literature review of sexual reproductive health campaign messages: What are the milestones and potential research topics within the Kenyan context?
This paper presents a literature review of the sexual reproductive health campaign messages and highlights the milestones in the existing literature. The review begins with definition of health campaign messages and other key concepts. The subject is then situated within the discipline of communication studies particularly within the branch of health communication. A review of relevant theories follows after which...
October-December 2019
Journal of Pharmacognosy and Phytotherapy
A comparative study of phytochemical profile and antioxidant activity of Sahelian plants used in the treatment of infectious diseases in northern part of Burkina Faso: Acacia seyal Delile and Acacia tortilis (Forssk.) Hayne subsp. raddiana (Savi)
Acacia seyal and Acacia tortilis are used in the treatment of infectious diseases in traditional medicine by population in Northern Burkina Faso. Phytochemical screening by tube test and on HPTLC plates showed the presence of important chemical compounds in these plants. Determination of total phenolic content using method of Folin-Ciocalteu Reagent (FCR) and antioxidant activity by 1, 1-diphenyl-2-picrylhydrazyl (DPPH)...
July-December 2019
Journal of Parasitology and Vector Biology
Prevalence and intensity of urogenital and intestinal schistosomiasis among primary school children in rural districts of Senegal
Schistosomiasis is a public health problem in Senegal with unevenly distributed prevalence. The purpose of this study was to assess the prevalence and intensity of Schistosoma haematobium and Schistosoma mansoni infections among primary school children in eight districts of Senegal. A cross-sectional survey including school children aged from 7 to 13 years were included and was conducted in 3 ecological areas. Urine and...
July –December 2019
Journal of Petroleum and Gas Engineering
Software approach on crude oil yields prediction: A case study of Tema Oil Refinery
Yield prediction is an integral part of every refinery process due to the intricacy of the process and composition of crude oil. Inability to sufficiently predict the yields before refinery process creates challenges such as inadequacy in planning the operating conditions to meet product target, product optimisation failure and inability to meet product market specification. Predicting yields using a yield pattern model...
July-December 2019
ISABB Journal of Biotechnology and Bioinformatics
In silico detection and correlative analysis of antibiotic resistance plasmid-incompatibility (Inc/ rep) groups from different environments
Plasmids are extra-chromosomal mobile DNA elements found mostly in bacteria, and often serve as vectors for accumulation and transfer of antibiotic resistance genes (ARGs) within bacterial populations in different environments. Plasmid mediated transfer of ARGs has accounted for the spread of antibiotic resistance within clinically relevant pathogenic bacteria; this has escalated into a global health problem. Plasmids...
October-December 2019
Journal of African Studies and Development
State regulation of religion in Uganda: Fears and dilemmas of born-again churches
Since 2016 when the government of Uganda announced its intention to enact a policy about regulating religions and faith-based organizations, there have been contrasting responses from those this policy intends to regulate. The mainstream religious groups especially; the Moslem community, Anglican Church of Uganda, the Seventh-Day Adventist Church, Roman Catholic Church, Greek Orthodox church and generally all those that...
October-December 2019
International Journal of Water Resources and Environmental Engineering
Geographic Information System (GIS) based soil loss estimation using Universal Soil Loss Equation Model (USLE) for soil conservation planning in Karesa Watershed, Dawuro Zone, South West Ethiopia
Soil erosion is the most challenging and continuous environmental problems resulting in both on-site and off-site effects in the world particularly in Ethiopia. Karesa watershed is one of the most erosion-prone watersheds which received little soil conservation attention. This study was conducted to estimate average annual soil loss rate using Geographic Information System and Universal Soil Loss Equation Model adapted...
October 2019
International Journal of Physical Sciences
Comparative study of caffeine content in beans and leaves of Coffea arabica using UV/Vis spectrophotometer
Caffeine is one of the compounds found in coffee beans and other parts of coffee plant. However, the relative caffeine content in different coffee plant parts is least researched. Therefore, this study was designed to determine the content of caffeine in green coffee leaves and beans. In this work, we report content of caffeine in green coffee beans and leaves of Coffea arabica using UV/Vis spectrophotometer with...
October 2019
Journal of Development and Agricultural Economics
Micro-financing and rural poverty reduction: A case of Rima Microfinance Bank in Goronyo Local Government Area, Sokoto State, Nigeria
Microfinance is proposed to be an efficient and viable means to poverty alleviation in the developing world, but there has been little empirical study on the impacts of microfinance banks. This study examines the impact of Rima Microfinance Bank on beneficiaries’ income and poverty in Goronyo Local Government Area of Sokoto State, Nigeria. A multistage-sampling technique was used to draw the sample and a...
October 2019
Journal of Engineering and Technology Research
Agricultural tractor and machinery performance and serviceability in Delta State, Nigeria
A sufficient tractor and implements utilizations in agricultural activities and their proper serviceability optimize agricultural productivities in farm operations. A study was conducted in Delta State, Nigeria assessing level of machinery utilization in farm operations and serviceable conditions. Eight (8) government owned tractors locations with 60 tractors and eight private owned farms with 29 tractors were studied....
July-December 2019
Journal of Geology and Mining Research
Geology and petrography of Sabon Garin Kara and environs part of Malumfashi sheet 79 NE Nigeria
The study area is about 40 km2 that is (8 km × 5 km) which is located in Gwarzo Local Government area of Kano State part of Malumfashi sheet 79NE which lies within Longitude E07°57’19.5” and E08°00’00” and Latitude N11° 51’30”andN11°47‘00. Major rock types identified include medium grained biotite-muscovite granite, coarse grained muscovite-biotite...
July-December 2019
Journal of Geology and Mining Research
Crustal structure of southern Benue Trough, Nigeria from 3D inversion of gravity data
3D Moho interface has been computed from the airborne Bouguer anomaly beneath the southern part of the Benue Trough (BT), using the MATLAB program 3DINVER.M. From the study, the maximum Moho depth of 27.5 km and the minimum Moho depth of 18.1 km were computed. Interpretation of the gravity data of the southern part of the BT suggests that igneous input contributed greatly to the understanding of its concomitant deep...
October 2019
Educational Research and Reviews
Evaluating endodontontic dental education by clinical errors (iatrogenic perforations) made by students in their last year of education
The aim of this study was to evaluate the technical procedural iatrogenic errors, especially to determine the frequency of dental perforation made by undergraduate students in Sofia, Faculty of Dentistry, Bulgaria, in the school years of 2014/2015 and 2015/2016. The assessment was by examination of periapical radiographs of completed endodontically treated teeth, performed by last year dental students. A total of 748...
October, 2019
African Journal of Business Management
Supply chain management constraints in Tanzanian small and medium enterprises
Supply chain management (SCM) has gained popularity around the globe due to its significance in relation to improving business performance. Although large enterprises have been able to successfully implement SCM, it is different in small and medium enterprises (SMEs) as they are faced with several constraints that hinder the effective implementation of SCM. Variables such as technological difficulties, poor coordination...
October-December 2019
Journal of African Studies and Development
Foster care ontologies: A qualitative study in Zimbabwe
Both the African Charter on the Rights and Welfare and the United Nations Convention on the Rights of the Child place premium on having children grow up in families. Foster care is one of the opportunities that can be used to ensure that children grow up in families on the African continent and Zimbabwe in particular. There are however some minefields which have to be explored carefully. The paper dedicates some...
October-December 2019
International Journal of Biodiversity and Conservation
Current distribution, regeneration and management practice of Hagenia abyssinica in different agroforestry systems of Ethiopia: A review
Hagenia abyssinica is a multipurpose tree, which is sparsely distributed in the highland of Ethiopia. It is used for illness remedy, furniture, fuel, and as a soil additive. This review provides information on the present status and management practice of H. abyssinica in Ethiopia to give urgency care other than that given to introduced species for future conservation. The foliage and flowers have a higher quality of N...
Page 7 of 1176, showing 50 records out of 58772 total, starting on record 301, ending on 350
