Articles

 

Page 9 of 1206, showing 50 records out of 60270 total, starting on record 401, ending on 450

International Journal of Biodiversity and Conservation
Communities’ attitudes and perceptions towards the status, use and management of Kapolet Forest Reserve in Kenya

October-December 2020

Forest communities play a vital role in the conservation of forest resources. Understanding communities’ use, attitudes and perceptions of forests and management measures is significant in attaining conservation goals and reducing forest resource use conflicts. This study sought to assess local community’ forest resources use and their perception towards forest status, use and management. Data was collected...

Author(s): Brian Rotich, Stanley Makindi and Moses Esilaba

African Journal of Political Science and International Relations
The role of regional parliaments in conflict resolution: The case of the Pan-African Parliament (2004-2011)

October-December 2020

How do regional Parliaments contribute to conflict resolution? At what point in time do they intervene and with what impact? These are the key questions pursued in this paper. The ultimate purpose is to stimulate further discussion on the subject. The methodology employed is qualitative, historical and discourse analysis based on desk reviews. The study was conducted in 2011 and 12 with a focus on the experiences of the...

Author(s): Kebede Kassa Tsegaye  

International Journal of Sociology and Anthropology
Socio-cultural and economic impacts of development induced displacement on resettled people: The case of Welkayt Sugar Factory in Tigray Region, Ethiopia

October-December 2020

This study was conducted in the Tigray region of Ethiopia to assess the socio-cultural and economic impacts on the project affected people after their displacement that occurred through the establishment of the Welkayt sugar factory development project. Specifically, the study aimed at examining the socio-cultural situation of the displaced people after their displacement and assessing the economic consequences of the...

Author(s): Bereket Godifay Kahsay

Journal of Medicinal Plants Research
Protective effect of piperine from Piper chaba fruits on LPS-induced inflammation in human intestinal cell line

September, 2020

Piper chaba is a flowering vine in the family of piperaceae. It is a spicy plant widely used as food and herbal medicine in the South and Southeast Asian countries. The study evaluated anti-inflammatory and immunomodulatory activities of a major alkaloid extract, piperine, from P. chaba fruits on human colonic epithelial cells. The effects of piperine extract on cell viability, pro-inflammatory cytokine inhibition, and...

Author(s): Anyanee Buagaew and Natwadee Poomipark  

Journal of Medicinal Plants Research
Larvicidal activity of Juniperus procera extract against anopheles mosquito in in vitro, North Western Ethiopia

September, 2020

Mosquitoes are the major health threat as they transmit plasmodium parasites that cause malaria. Since mosquitoes developed resistances towards insecticides, investigators are searching for alternative control measures. Bioactive plant chemicals have been identified to serve as a defense mechanism against insects’ larvae. Therefore, the aim of the study was to evaluate larvicidal activities of Juniperus procera...

Author(s): Wondimu Ersino, Hirpasa Teressa and Tadele Alemayo  

Journal of Medicinal Plants Research
Screening open source traditional Chinese medicine extracts for growth-inhibiting properties towards Acinetobacter baumannii

September, 2020

Infections caused by Acinetobacter baumannii and other pathogenic bacteria are a worldwide concern due to their increasingly prevalent multidrug resistance. World leaders and health organizations across the globe have voiced their concerns over antibiotic resistance and the critical need for the development of novel antibiotics. Although the number of new antibiotic drugs entering the marketplace in recent years has...

Author(s): Lucas Poon, Thomas J. Langowski, Mozna H. Khraiwesh, Malik J. Raynor, Jesse P. Deluca, Jeffrey R. Livezey, Thomas G. Oliver, Susan Ensel, Tanja Grkovic, Barry R. O’Keefe, and Patricia J. Lee  

Journal of Medicinal Plants Research
Antibacterial, total phenols, antioxidant, and fatty acids of the lyophilized body fat of Podocnemis expansa (Schweigger, 1812) from farm in Acre State, Brazil

September, 2020

Podocnemis expansa (Podocnemididae) is a chelonian of suborder Pleurodira and is popularly known as Amazon turtle. The animal’s body fat was removed from the farm in Xapuri city in Acre State, Brazil. The fat was lyophilized and the oil was extracted by the Soxhlet method using hexane, as a solvent. The fatty acids majority, identified and quantified by gas chromatography-flame ionization detector, were:...

Author(s): Brazil M. V. da S., Souza M. de B., Ferraz V. P., Martins B. A., De Carvalho Neto M. F., De Melo A. C. G. R., Ribeiro P. R. E. and De Melo-Filho A. A.

Journal of Medicinal Plants Research
Ethnobotanical survey of medicinal plants commonly used in snakebites in North Western Nigeria

September, 2020

The incidence of snake bite in rural West Africa is reportedly high with an 11–17% mortality rate. Nigeria has one third of the cases for snake bite cases in this region.Thus, most tribes in North-western part of Nigeria depend on medicinal plants for snakebites. However, it appears that a gap exists on documentation of these plants especially tropical flora used in the management of snake bite. This led to...

Author(s): Ibrahim-Maigandi Hassan, Aishatu Shehu, Abdulkadir Umar Zezi, Mohammed Garba Magaji and Jamilu Ya’u  

Journal of Medicinal Plants Research
In vitro antibacterial activity of Psidium guajava (Guava) leaves extract on carbapenem-resistant Klebsiella pneumoniae causing multi-drug resistant systemic infections

September, 2020

Systemic bacterial infections affect almost all part of the human body systems leading to infections such as urinary tract infections, septicemia, meningitis, pneumonia, peritonitis and gastritis. Carbapenems have been used as drug of choice in the treatment of systemic infections. Studies have indicated that Enterobacteriaceae are producing enzymes such as carbapenemases, which inactivate carbapenems.  There ...

Author(s): Henry Kwadwo Hackman, Reuben Essel Arhin, Bright Kojo Azumah, David Boateng, Blessing Nwosu and Mark Apenteng  

African Journal of Pharmacy and Pharmacology
Development and validation of UV- Spectrophotometric and RP-HPLC method for the analysis of raw material and formulations of Aceclofenac

September, 2020

The purpose of the study is to develop and validate method for assay of Aceclofenac in tablet dosage forms using ultra violet spectrophotometry (UV) and high performance liquid chromatography (HPLC) techniques. A method was developed and validated for analysis of Aceclofenac using UV technique with methanol and phosphate buffer 7.4 as solvent. The HPLC analysis was conducted using two mobile phases, that is,...

Author(s): Tahir Jamshaid, Syed Saeed ul Hassan, Hammad Ahmed, and Muhammad Khalil ur Rehman

African Journal of Pharmacy and Pharmacology
Cytotoxic, antimicrobial and antioxidant activities and phytochemical analysis of Artemisia judaica and A. sieberi in Saudi Arabia

September, 2020

Cancer and microbial infectious diseases are considered a global threat. Plants have been investigated across the world to exploit their potential anticancer and antimicrobial effective agents. In this study, two medicinal plant species native to Saudi Arabia, namely; Artemisia judaica and Artemisia sieberi were screened to assess their antioxidant, anticancer and antimicrobial potential activities as well as...

Author(s): Fahd A. Nasr, Omar M. Noman, Ramzi A. Mothana, Ali S. Alqahtani and Abdullah A. Al-Mishari  

African Journal of Pharmacy and Pharmacology
Cardioprotective effects of animal grade piperazine citrate on isoproterenol induced myocardial infarction in wistar rats: Biochemical and histopathological evaluation

September, 2020

The present study was designed to investigate the cardioprotective effect of animal grade piperazine citrate on isoproterenol-induced myocardial infarction in rats by studying cardiac marker enzymes and histopathological changes of the cardiac muscle. Isoproterenol administration showed significant (P<0.001) increase in the serum levels of cardiac injury markers (creatine kinase-MB and troponin-I), 358.98 ±...

Author(s): Ghasi, S. I., Umana, I. K., Ogbonna, A. O., Nwokike, M. O. and Ufelle, S.  

African Journal of Pharmacy and Pharmacology
Assessment of anti-hepatitis B virus activity of endemic medicinal plants from Socotra Island

September, 2020

Hepatitis B virus (HBV) is a leading cause of liver disease and a possible worldwide source of severe morbidity and mortality. The current standard therapy using interferons or antiviral agents is not successful in all cases and is associated with severe side effects. Consequently, the development of new medicines for the treatment of HBV is still relevant. This experimental study was therefore performed to assess the...

Author(s): Ramzi A. Mothana, Ahmed H. Arbab, Mohammad K. Parvez and Mohammed S. Al-Dosari  

Journal of Medicinal Plants Research
Medicinal plants used against malaria by traditional therapists in malaria endemic areas of the Ségou region, Mali

September, 2020

West Africa is one of the regions in Africa with the highest levels of malaria transmission a descriptive study was carried out to inventorise the medicinal plants traditionally used against malaria by traditional therapists in five malaria endemic areas of the Ségou region, in Mali. Sixty-five traditional therapists were randomly selected to be part of the study. Questions were posed using semi-structured...

Author(s): Jean Noël KEÏTA, Nouhoum DIARRA, Donatien KONE, Hassana TOUNKARA, Fousseyni DEMBELE, Moustapha COULIBALY  and Nah TRAORE

Journal of Medicinal Plants Research
Chemo preventive effect of methanol extract of Anacardium occidentale nut shell on ultra-violet radiation induced skin damage

September, 2020

Anacardium occidentale nut shell liquid has been used for decades especially by natives of South America, Asia and Africa in the treatment of topical skin diseases, abrasion and cancerous ulcers amongst others. Chronic exposure to sunlight can lead to skin damages including erythema, edema, hyperplasia, formation of sunburn cells, photo-aging, suppression of the immune system and skin cancer. This study was aimed at...

Author(s): Pepple N. M. , Ekoriko W. U., Idih F. M. and Chidozie V. O.  

Journal of Medicinal Plants Research
Ethnobotanical study of plants used against onchocerciasis in the far north region of Cameroon

September, 2020

Despite the multitude of studies which have shown the use of medicinal plants in the management of parasitic diseases, little data was available on the plants used against onchocerciasis. Ethnobotanical surveys were carried out among traditional healers in the Far North region of Cameroon. Studies were conducted from July 2017 to May 2018 through direct interviews using a semi-structured questionnaire taking into...

Author(s): Amina Mamat, Zambou Zebaze Leïla, Ndjib Rosette Christelle, Nguezeye Yvette, Kenne Meli Phalone, Okah-Nnane Ndode Herman, Bitja Nyom Roger Arnold and Ndjonka Dieudonne  

African Journal of Pharmacy and Pharmacology
Neuroprotective effects of methanol extract of Terminalia macroptera leaf in mice

September, 2020

The plant Terminalia macroptera has been reported to possess many pharmacological activities. The aim of the present study was to screen the effect of the methanol extract of T. macroptera against ketamine-induced mice model of psychosis and the apomorphine climbing test. The behavioural studies entailed an evaluation of locomotor activity, stereotypic behaviours in the open field and stereotypic climbing behaviour,...

Author(s): Lydia Doosuur Ior, Sunday Oritsetimenyin Otimenyin and John Stephen Gushit  

African Journal of Pharmacy and Pharmacology
Investigation of hemotoxicologic potential of an ayurvedic preparation “Kutajarista” used in Sprue syndrome after chronic administration to male Sprague-Dawley rats

September, 2020

The ayurvedic medicinal system is the world’s most primitive medical systems which were originated in India. For the treatment of Sprue syndrome, a very well-known ayurvedic preparation named Kutajarista (KTJ) is used in the south Asian region. This study aimed to detect the impact of chronic administration of KTJ on hematological parameters. The experimental animals were subdivided into two groups. A high dose...

Author(s): Mohammad Tohidul Amin, Kaniz Fatema, Palash karmakar, Md. Abdur Rahman, Tazmel Haque and M. Shahabuddin Kabir Choudhuri  

Educational Research and Reviews
The impact of English language proficiency testing on the pronunciation performance of undergraduates in South-West, Nigeria

September 2020

This study investigated the impact of English Language proficiency testing on the pronunciation performance of undergraduates in South-west. Nigeria. The study was a descriptive survey research design. The target population size was 1243 (200-level) undergraduates drawn from eight tertiary institutions. The instruments used for data collection were the English Language Proficiency Test and Pronunciation Test. The...

Author(s): Oyinloye Comfort Adebola, Adeoye Ayodele, Fatimayin Foluke, Osikomaiya M. Olufunke, and Fatola Olugbenga Lasisi  

Educational Research and Reviews
Analysis of distance education activities conducted during COVID-19 pandemic

September 2020

It could be suggested that the covid-19 pandemic, which initially emerged in China and then affected the whole world, negatively affected several aspects of life since it halted life globally. One of these aspects is education. Education that usually takes place in various learning environments at schools had to be conducted from a distance after the pandemic. This requirement imposed certain responsibilities on...

Author(s): Erol Koçoğlu and Danyal Tekdal  

Educational Research and Reviews
Scientific research hypotheses understanding of the pre-service science teachers at Faculty of Education, Amran University, Yemen

September 2020

Preparing pre-service science teachers (PSSTs) with the scientific research skills (SRSs) is an ultimate aim of PSSTs' programs. This study aimed to explore PSSTs' understanding level of SRHs (SRHUL). To this end, an action research (AR) was adopted using a pre-post-test design. In doing so, a multiple choice test which consists of 15 items was developed and conducted on a random sample comprising 120 subjects....

Author(s): Abddulsalam Al-Hadabi and Mabrook Saleh Ali Al-soudi  

Educational Research and Reviews
The problems that Syrian refugee children, class teachers and Turkish children face in the school environment from the standpoint of trainee teachers

September 2020

The aim of this study is to indicate the problems that Syrian refugee children, class teachers and Turkish children face in their school environment. The data of this study were realized via case study design which is one of the qualitative investigative designs. Interviews were carried out using the observation notes of the prospective teachers as well as their semi-structured discussion forms. As a result of the...

Author(s): Zehra Kiliç Özmen  

African Journal of Business Management
Manifestation of emotional intelligence and Transformational leadership in virtual teams: Case study of Nairobi technology hub

September 2020

The dynamic nature of business and organizational operations in the 21st century as being influenced by tough economic times, globalization and need for higher effectiveness is forcing leaders to adopt more relevant approaches to management. One such adaptation is the use of virtual teams for international organization that have globally distributed offices and functions. This study provides insights into the role of...

Author(s): Lucas Ngigi Mburu  

African Journal of Business Management
Social media, business capabilities and performance: A review of literature

September 2020

Information communication technology has plenty of benefits to society. Social media being the product of information technology have become an essential tool for marketers at a very minimum investment. Social media have a positive impact on companies as well as customers. In today’s circumstances, customers judge companies based on their online presence, hence they can innovate and simultaneously create a strong...

Author(s): Mohammedhussen Mama Irbo and Abdulnasir Abdulmelike Mohammed  

International Journal of Livestock Production
An assessment of the role of proper health management in reducing goat mortality in Kraals: A case of Napak District in Eastern Uganda

July-September 2020

Poor animal health is reported as one of the major constraints of goat production leading to mortality in pastoral areas like Karamoja Sub-Region in Eastern Uganda. Based in Napak District, this study was aimed at gaining an understanding of the role of proper health management in reducing goat mortality in Kraals. Through convenience sampling, 312 pastoralists out of 388 who own animals in community kraals were...

Author(s): Godfrey Ochan and Dan Makosa,  

Journal of Cereals and Oilseeds
Understanding biodiversity in sorghums to support the development of high value bio-based products in sub-Saharan Africa

July-December 2020

Sorghum [Sorghum bicolor (L.) Moench] is one of the most important cereals worldwide with great genetic diversity. Like most small grains it has good adaptation to drought prone and marginal areas were other cereals are not productive. Globally, sorghum has been underutilized compared to other cereal staple crops however, there is growing interest in sorghum and its related products due to its unique nutritional traits,...

Author(s): Nyoni, N., Dube, M., Bhebhe, S., Sibanda, B., Maphosa, M. and Bombom, A.  

African Journal of Agricultural Research
Depletion of phosphate rock reserves and world food crisis: Reality or hoax?

September, 2020

Phosphate rock (PR) deposits are the major source of phosphate (P) fertilizers for soil fertility replenishment. The demand for P fertilizers in the year 2014 was 42,706,000 tons and was expected to reach 46,648,000 tons in 2018. Majority of PR deposits are found in only a few countries including Morocco, USA and China. There is however conflicting information on the extent of world PR reserves, therefore, complicating...

Author(s): Kisinyo Peter Oloo and Opala Peter Asbon  

African Journal of Agricultural Research
Growth performance of royal purple and white guinea fowl varieties and their crosses under an intensive management system

September, 2020

Commercialization of guinea fowl production in many countries is growing and the demand for their meat is high. The study evaluated the growth of crossbred royal purple x white variety relative to purebred royal purple and white varieties. Twenty pure-bred white, 20 purebred royal purple and 20 cross-bred keets were housed together in 4 houses resulting in 4 replications. The keets were fed broiler starter crumbs from...

Author(s): Patrick Kgwatalala, Freddy Manyeula and Candy Sefemo  

African Journal of Medical and Health Sciences
Levels of some reproductive hormones, cadmium and lead among fuel pump attendants in Benin City, Nigeria

September 2020

Infertility is a common public health challenge in Nigeria. The causes of infertility in both males and females are multifactorial, and the contributions of endocrine abnormalities had been reported from both the Northern and Southern regions of Nigeria. The effect of occupational exposure on endocrine levels among petrol pump attendants has not been sufficiently documented in our setting.  This study evaluated the...

Author(s): Mathias A. Emokpae and Fidelis O. Oyakhire  

African Journal of Agricultural Research
Pastoral farming system and its temporal shift: A case of Borana zone, Oromia National Regional State, Ethiopia

September, 2020

The study was conducted in Borana zone, which is located at about 570 km from Addis Ababa with the objective of understanding the farming system of Borana pastoral area. The primary data was collected using survey questionnaires from 160 households selected using multistage sampling design. The study confirmed that the farming system in Borana pastoral area has been increasingly diluted, unlike the earlier decades where...

Author(s): Dirriba Mengistu, Simbone Tefera and Bely Biru  

International Journal of Water Resources and Environmental Engineering
The need for integrated flood management approach from social, economic and environmental perspectives: The case of Upper Awash River Basin

July-September, 2020

Flooding has been a critical problem in our globe causing huge damage on human lives as well as socio-economic and environmental assets. The upper Awash river basin in Ethiopia, which is the target of this study, is one such region that is affected by recurrent flooding. Thus, there is a need to develop appropriate and sustainable management mechanisms to mitigate flood impacts. An integrated flood management approach...

Author(s): Addisalem Bitew Mitiku, Berhanu Woldyohanes, Sharew Anteneh Mekonnen, Kirubeal Mekonnen and Abel Tadesse  

African Journal of Medical and Health Sciences
Severity of coronary atherosclerosis in hypertensive: A postmortem study

September 2020

The development of coronary atherosclerosis and ischaemic heart disease had been attributed to risk factors that include but not limited to hypertension. These factors were determined without reference to data from autopsy studies. It is likely that there is no significant difference on the grades of coronary atherosclerosis in hypertensive’s when compared with the non-hypertensive’s. The aim of this study,...

Author(s): AZEKE, Akhator Terence and IMASOGIE, Dele Eradebamwen  

Journal of Stored Products and Postharvest Research
Effect of treatments with bunch bagging on production, fruit quality and damage by thrips of banana

July-December 2020

The effect of treatments of banana with blue polyethylene bag covering bunches on the production parameters at harvest, fruit quality during ripening and damage by thrips has been determined. Nine treatments with banana bunch blue polyethylene bags, including the control were evaluated. A complete randomized block design was used. Four replicates per treatment were used with five bunches each. Bunch weight, finger...

Author(s): Pedro Antonio Moscoso-Ramírez and Augusto Peña-Peña  

African Journal of Biotechnology
Phenotypic and genetic characterization of selected Kenyan groundnut (Arachis hypongaea L.) varieties

September 2020

Groundnuts are among the principle economic oilseed largely cultivated in warm regions of Kenya and contribute to domestic food security and cash revenue. The study aimed at evaluating genetic diversity and phenotypic characterization of groundnut varieties grown in some parts of Kenya. Six varieties (ICG83708, ICGV99568, CG7, ICGV12991, RV and Chalimbana) obtained from KALRO (Kakamega) based on quality traits. Seeds...

Author(s): Michael Mumbe Wanjira, Mathew Piero Ngugi and Wilton Mbinda  

African Journal of Biotechnology
Evaluation of sugar beet monogerm O-type lines for salinity tolerance at vegetative stage

September 2020

Increased production of sugar beet under rainfed conditions on saline–sodic soils in the Iranian areas highlights the importance of salt tolerant varieties. Screening of genotypes for salinity tolerance is difficult in field due to heterogeneity of physical and chemical properties of soil. In order to evaluate the salinity tolerance of 21 sugar beet monogerm O-types lines, a pot experiment was conducted using a...

Author(s): Zahra Abbasi  

African Journal of Environmental Science and Technology
Irrigation water quality analysis of Mitheu Stream in Machakos Municipality, Kenya

September 2020

Water samples for physico-chemical, heavy metals and bacteriological analyses were collected from 4 selected points along Mitheu Stream flowing through Machakos Municipality once every month from June 2019 to September 2019. The samples were analyzed in Kenya Plant and Health Inspectorate Service and Water Resources Authority laboratories then data subjected to one-way analysis of variance to test significant...

Author(s): Linge Kitulu, Julius Kioko Nzeve, Fuchaka Waswa, Esther Kitur and Douglas Shitanda  

African Journal of Business Management
Co-operative and saving societies (SACCOS) and poverty reduction in Lango and Kigezi sub-regions of Uganda: A comparative empirical study

September 2020

The paper examines the contributions of co-operative and saving societies in poverty reduction in Lango and Kigezi sub-region. The study adopted a comparative and cross-sectional survey design where bivariate and multivariate data analyses were used to analyze the data. Specifically, correlation and regression analysis were done to determine the relationship between financial contribution by savings and credit...

Author(s): Marus Eton, Benon C. Basheka and Fabian Mwosi  

African Journal of Microbiology Research
Coronavirus disease 2019 (COVID-19) pandemic: What is the level of knowledge, attitude, and practice in Kandahar, Afghanistan?

September 2020

There is a rising concern for the rapid increase of COVID-19 confirmed cases in Kandahar province. From zero reported cases until 17th March 2020, then Kandahar saw a sudden rise in the cases by 16th May 2020. Decreased literacy rates, poor health education, lack of facilities, inconsistent government policies, and defying coronavirus safety advisory by the public have resulted in the rapid spread of COVID-19. The...

Author(s): Asmatullah Usmani, Abdul Qadeer Baseer, Bilal Ahmad Rahimi, Ajmal Jahid, Parwiz Niazi, Abdul Wahid Monib, and Wais Mohammad Lali  

Educational Research and Reviews
Affordances for connecting culture and Mathematics: Moving from curriculum to school textbooks

September 2020

Researchers have generally agreed that textbooks as a major conveyor of the curriculum play a dominant role in modern education scenes across different school subjects. The study analyzed a set of four learners’ textbooks and their corresponding teachers’ guides which are used as set books for teaching mathematics at Grade 9 level in South Africa. These textbooks were produced in response to the demands of...

Author(s): Sylvia Madusise  

African Journal of Pharmacy and Pharmacology
Hepatoprotective and free radical scavenging activities of methanol extract fractions of Capparis decidua Edgew (Forssk.) (Capparidaceae)

September, 2020

The main objective of the study is to evaluate the hepatoprotective and antioxidant activities of different extracts and fractions of a Sudanese traditionally used plant, Capparis decidua Edgwe (Forssk.) (Capparidaceae). Carbon tetrachloride (CCl4) induced hepatotoxicity in rats, and DPPH radical scavenging activity (RSA) were the methods used to evaluate the hepatoprotective and antioxidant activities of this plant...

Author(s): Mohamed Mirghani, Hassan S. Khalid, Mona S. Mohammed, Ahmed Babiker Mohamed, Amna Ali, Wadah Osman, Waleed A Alobaid and Ramzi A. Mothana  

Journal of Public Health and Epidemiology
Review of Cannabinoid hyperemesis syndrome: Implications for Puerto Rico

July-September 2020

In recent years in the United States there has been a shift towards legalization of marijuana for medical and recreational purposes. The medical use of cannabis is legalized in 33 states, 4 territories and the district of Columbia. Medical marijuana use was legalized in Puerto Rico in 2015.  Cannabinoid Hyperemesis Syndrome (CHS) is one of the effects of the use of cannabis.  This paper will attempt to...

Author(s): Carlos Omar Nesbeth⊃, Mina Ossei, Jonathan Vélez Hernández⊃, Pedro J, De Jesús⊃,  Ruben Ruiz Zapata⊃  and Humbierto Olivencia Rabell⊃  

Journal of Public Health and Epidemiology
Birth defects among immigrants: Impact of exposure to a new environment, a 20 year population-based study

July-September 2020

Birth defects remain a global health issue. With increasing rates of migration, it is important to explore the role of immigration and the impact of new environments, especially food fortification, on birth defect prevalence. The prevalence of birth defects in the first year of life was compared between children born to immigrant and non-immigrant mothers in Ontario, Canada. Data on country of origin and arrival date...

Author(s): Agha, M. M.,, Glazier, Richard H.,, and Moineddin R.,,  

African Journal of Environmental Science and Technology
An appraisal of high definition survey approaches in subsidence monitoring of crude oil storage tanks

September 2020

Vertical and horizontal motion of the solid earth surface due to geological and geodynamical phenomena are generally consequences of terrain deformation. Variations as a result of the deformation affect structures, particularly large storage facilities that are steel and/or concrete in nature. The criticality of these phenomena underscores the need to carryout regular measurements and monitoring of its effect in all...

Author(s): Hart Lawrence and Udeh Kenneth

African Journal of Environmental Science and Technology
Effect of agitation on the process of bi methanization of sludge from low-temperature wastewater treatment plants

September 2020

Wastewater treatment is a serious environmental problem, especially in developing countries such as Morocco. Their discharge into the natural environment has negative impacts on water resources and the environment. They are therefore purified to reduce the concentration of the main pollutants. Often biological remediation is used when wastewater contains biodegradable organic pollutants. This generally leads to treated...

Author(s): Soukaina Aitlahyane, Zehor Aityacine, Brahim Lekhlif and Hafida Hanine

Journal of Agricultural Extension and Rural Development
Seasonal climate dynamics, perceptions and multiple risk adaptations: Lessons from Smallholder mixed agro ecosystems in Semi-arid Kenya

July-September 2020

Climate variability is frequently associated with instances of dry spells and droughts, which principally result from highly variable rainfall and increasing temperatures. In mixing agro ecosystems, these phenomena primarily affected crop and livestock practices of smallholder farmers through generating social, economic and environmental losses. Resulting water scarcity, in quality and quantity, at household and...

Author(s): Borona Mwenda, Dionysius Kiambi, James Kungu, Jeske Van De Gevel, Carlo Farda and Yasuyuki Morimoto  

Journal of Veterinary Medicine and Animal Health
Sero-prevalence and risk factors of African Horse Sickness among donkeys in a highland area of Kenya

July-September 2020

A study was conducted to determine the prevalence and risk factors for African Horse Sickness (AHS) in donkeys in the highland area of Kiambu County, Kenya. Data on the risk factors was collected using semi-structured questionnaires administered to 146 donkey owners while blood samples collected from 398 donkeys both during the rainy and dry seasons. Antibodies against AHS were detected using competitive antibody Enzyme...

Author(s): Mary Gichure, Philip Kitala, David Kihurani, John Mande and Njenga Munene  

African Journal of Agricultural Research
Evaluation of blended fertilizer on growth performance and yield of onion (Allium cepa L.) at irrigated conditions Tselemti District North Western Tigray, Ethiopia

September, 2020

Onion has economically important crop in the study area. However, its low production is due to poor soil fertility management. Thus, the present study was initiated to determine the optimal rate of blended fertilizer required for onion production. A field experiment was conducted for two consecutive years during 2018 and 2019 at farmer's field Tselemti district, the experiment had 8 treatments arranged in a...

Author(s): Solomon Mebrahtom, Kinfe Tekulu, Tewolde Berhe, Tsadik Tadele, Weldegebreal Gebrehiwot, Gebresemaeti Kahsu, Samrawit Mebrahtu and Goitom Aregawi  

African Journal of Agricultural Research
Household determinants of food security in rural Central Uganda

September, 2020

This study contributes to the literature by presenting empirical evidence on the drivers of rural household food security, which is critical for food security policy implementation. We used household survey data collected from 265 households from rural central Uganda, and a binary logistic regression model to estimate the determinants of household food security. Households with more land size, no livestock, and smaller...

Author(s): John Baptist Semazzi and Moses Kakungulu  

African Journal of Business Management
The impact of leadership styles on employee commitment in Madda Walabu University

September 2020

Effective leaders are able to contribute directly by enabling competent and committed employees through encouraging them to perform well. Studies in the area of organizational behavior literatures have indicated that among the major factors affecting organizational success and failure are leadership styles and employee commitment. The aim of this paper was to examine the impact of leadership styles on academic...

Author(s): Tafesse Akinida Biza and Mohammedhussen Mama Irbo

Educational Research and Reviews
Karl Pearson’s chi-square tests

September 2020

Statistical tests have been an important tool for interpreting the results of research correctly. The factors that influence the determination of the statistical test are research purpose, hypothesis and data. Today, statistical tests are used more frequently, and they aim to analyze whether statistical tests are used in accordance with research. For this purpose, frequently used chi-square tests are discussed and in...

Author(s): Nihan Sölpük Turhan

Page 9 of 1206, showing 50 records out of 60270 total, starting on record 401, ending on 450