Accelerating Discovery

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All Articles

April 2018

ELISA, RT-PCR, semi-quantitative RT-PCR and sequencing methods for investigating an epidemic FMD virus serotype O outbreaks

This study was conducted to investigate the seroprevalence of non-structure protein for foot and mouth disease virus (FMDV) and identify FMDV serotypes. A total of 3600 serum samples (1080 buffaloes and 2520 cattle) were collected randomly from different breeds, age, and sex at El Beheira, El Dakahlia, and El Giza. Nonstructure protein of FMDV was detected in 41 of 1080 (3.8%) Buffalo and 185 of 2520 (7.3%) cattle....

Author(s): Halla E. K. El Bahgy and Mahmoud M. A. Moustafa

April 2018

In vitro somatic embryogenesis and regeneration potential of two potato varieties in Uganda

In vitro somatic embryogenesis and regeneration are important techniques for crop improvement and mass propagation. This study was conducted to establish and optimize a regeneration system for agronomically important potato cultivars (‘Victoria’ and ‘Rutuku’) of Solanum tuberosum L. in Uganda. Completely randomized design experiments were set up at Bioscience East and Central Africa (BecA) Tissue...

Author(s): Arinaitwe Abel Byarugaba, Magembe Eric, Barekye Alex and Rob Skilton

April 2018

Enzymatic activity and elicitor of phytoalexins of Lippia sidoides Cham. and endophytic fungi

Secondary metabolites may play a number of roles, among them, is the activation of plant defense mechanisms, such as phytoalexins and the synthesis of antioxidative enzymes. This study aimed to test the eliciting activity of phytoalexins of Lippia sidoides Cham. and six endophytic fungi associated with it and to verify the synthesis of the enzymes, as a response to the antioxidative and antifungal system. The assays...

Author(s): Talita Pereira de Souza Ferreira, Ronice Alves Veloso, Gil Rodrigues dos Santos, Laiza Priscila dos Santos, Tatiani Pereira de Souza Ferreira, Alessandra Macedo Barros, Richard Dias Possel and Raimundo Wagner de Souza Aguiar

April 2018

Effect of aqueous leaf extracts of Leptadenia hastata Pers (Decne) on spermiogram and testicular histology in albino rats (Wistar strain)

This study was designed to determine the effects of prolonged oral administration of aqueous leaf extract of Leptadenia hastata Pers (Decne) on sperm concentration, sperm motility and testicular histology in Wistar rats.  Rats were given graded doses (200, 400, 600 and 800 mg kg-1) of aqueous leaf extract of L. hastata orally for 28 days. Weekly changes in sperm concentration and motility as well as testicular...

Author(s): Victoria Adam Maina, Innocent Damudu Peter, Dauda Yahi, Umar Kyari Sandabe and Godwin Onyeamaechi Egwu  

April 2018

Sketch strategy of knowledge in physics learning and its influence on metacognitive

Metacognitive knowledge is a necessity in starting learning process. Solving physics problems requires metacognitive knowledge which comprises factual, conceptual and procedural knowledge. The purpose of metacognitive knowledge is to train students in developing their abilities in higher order of thinking. The problem is what kind of strategies can be used by teachers to facilitate student’s comprehension? This...

Author(s): Bunga D. Amin, Helmi Abdullah and Jasruddin D. Malago  

April 2018

School resources and student achievement: A study of primary schools in Zimbabwe

This study analyses the effects of school resources on student mathematics achievement in Zimbabwe using a 3-Level Hierarchical Linear Model (HLM). The major findings of the research are that a teacher trained in the relevant subject, class size, having a highly qualified school head and having a generally high resource endowment at school level improve student test scores. However, text book possession was seen as an...

Author(s): Ntobeko Ndlovu  

April 2018

Analyzing students’ views about mathematics teaching through stories and story generation process

The purpose of this study is to investigate primary mathematics education students’ views about mathematics teaching through stories and the story generation process. To this end, the study attempts to help primary mathematics education students to create stories for teaching middle school students mathematics and to gain experiences through the story generation process. Accordingly, the research question was...

Author(s): Esra Altintas  

April 2018

Perceptions and opinions of students studying at primary school mathematics teaching department about the concept of mathematics

The purpose of this study is get opinions of students on the subject of mathematics. It is thought that determining the meaning of mathematics in students’ minds, the things that students associate mathematics with and the things that come to their minds when you say mathematics is vital. In this way, it is thought that it can be possible to take some precautions for enabling students to develop positive attitudes...

Author(s): Esra Altintas  

April 2018

A systematic review: Application of in silico models for antimalarial drug discovery

Malaria remains the global public health problem due to the reemergence of drug resistance. There is an urgent need for development of new antimalarial candidates which are effective against resistant malaria parasite. This systematic review evaluates the published research studies that applied in silico modeling during the discovery process of antimalarial drugs. Literature searches were conducted using PubMed, EBSCO,...

Author(s): Anurak Cheoymang and Kesara Na-Bangchang,

April 2018

In vitro anti-inflammatory activity of Vangueria infausta: An edible wild fruit from Zimbabwe

This study set out to investigate the anti-inflammatory activity of Vangueria infausta, an edible wild fruit from Zimbabwe. The importance lies in the fact that this plant species could be developed as a low cost and effective therapeutic agent, with little or no side effects from natural sources. The fruit pulp of V. infausta was subjected to cold ethanol extraction to get crude extract. Flavonoids were isolated by...

Author(s): Luke Gwatidzo, Leo Chowe, Cexton Musekiwa and Netai Mukaratirwa-Muchanyereyi  

April 2018

Assessment of the prevalence of extended-spectrum β-lactamase producing Gram-negative bacilli at the Charles De Gaulle Paediatric University Hospital (CDG-PUH), Ouagadougou, Burkina Faso

Bacterial resistance to antibiotics is a serious concern in developing countries due to precarious hygiene conditions, inappropriate prescription as well as self-medication and free sale of antibiotics. This study was aimed to assess the prevalence of strains producing extended-spectrum beta- lactamase in the Gram negative bacteria isolated in the laboratory. The study was conducted in the Charles De Gaulle Paediatric...

Author(s): Mahamoudou Sanou,, Absétou Ky/Ba, Pricille Coulibali, Marius Nagalo, Abdoul Salam Ouédraogo, Mamadou Tamboura, Dinanibé Kambiré, Cyrille Bisseye, Fidèle Bakiono, Jacques Simporé and Ramata Ouédraogo,

April 2018

Incidence of bacterial infection in chronic hepatitis C virus (HCV) patients with cirrhosis and association between toll-like receptor 4 D299G gene polymorphism and Gram- negative bacterial infections in the patients

This study aimed to investigate the incidence of bacterial infection in chronic hepatitis C virus (HCV) patients with cirrhosis and association between toll-like receptor 4 D299G gene polymorphism and Gram-negative bacterial infections in the patients. 100 HCV cirrhotic patients with ascites and 20 age- and sex-matched healthy subjects as control were included. Conventional culture methods were used to identify the...

Author(s): Hanan El-Bassat, Lobna Abo Ali, Atef Taha and Rasha Alm El-Din  

April 2018

Identification of insect and disease associated to citrus in Northern Ethiopia

The survey was carried out in 2016 in the production of citrus fruits at Adiha and Sheka Tekli irrigation schemes of Kolla Tembien and Tanqua Abergelle districts, to assess the type of diseases, the causes and the characteristic symptoms of the diseases and to identify the types of insect pests that inflict serious damage. The laboratory analysis result depicted that bacteria and fungi caused most of the diseases of...

Author(s): Atsbha Gebreslasie and Hintsa Meresa

April 2018

Assessment of antimicrobial resistance patterns in Escherichia coli isolated from clinical samples in Madinah, Saudi Arabia

Escherichia coli is a Gram-negative bacteria that causes various diseases, including pneumonia, urinary tract infections, and diarrhoea. The present work is an effort to study antimicrobial resistance pattern in this bacteria. Clinical samples (6840) were collected from King Fahd Hospital in Madinah, Saudi Arabia and screened for E. coli strains. Of all positive samples obtained from different clinical sources, about 3%...

Author(s): Walaa M. Saeed, Samah Ghanem, Hatem M. El Shafey, and Nikhat Manzoor,

April 2018

Physical, chemical, and microbiological evaluation of a compost conditioned with zeolites

Zeolites are minerals characterized by high cation exchange capacity (CEC). This study evaluated possible effects of zeolites on improving the composting process in terms of the physical, chemical, and microbiological quality of compost and the productivity of the test plant, Raphanus sativus L. Compost enriched with 1.5% ground zeolites exhibited 62% greater degradation of organic particles sized less than 0.125 mm and...

Author(s): Fabricio T. Ramos, Oscarlina L. S. Weber, Eduardo B. Morais, Eliana F. G. C. Dores, Zoraidy M. Lima and João M P Novais

April 2018

Socio-economic and environmental impacts of invasive plant species in selected districts of Bale Zone, Southeast Ethiopia

Understanding the socioeconomic and environmental impacts of invasive plant species from the affected communities’ perspectives is essential to design and plan sustainable control and prevention strategies. Hence, understanding the socio-economic and environmental impacts in the infested and susceptible areas such as Bale zone is very crucial. Therefore, the objective of this study was to assess socio-economic...

Author(s): Mohammed Mussa, Habtamu Teka and Ahimed Aliye

April 2018

Agricultural Knowledge and Technology Transfer Systems in the Southern Ethiopia

Agriculture is the mainstay of the Ethiopian economy. However, the growth of the sector is constrained by different factors. Low level of technology development, inefficient technology dissemination, low utilization of improved production inputs and shortage of research proven production practices are among the most important factors hindering the growth of the sector. The objective of this study was, therefore, to...

Author(s): Tewodros Ayalew and Tesfaye Abebe  

April 2018

Early prediction of internal bruising in potatoes by biospeckle laser technique

The internal bruising in potatoes is a kind of damage caused by the mechanical impact, which is the major cause of post-harvest losses. This kind of injury is hard to detect because it occurs due to the internal cellular rupture of the tuber. This research aims at evaluating the applicability of the biospeckle laser technique in order to detect and predict the internal bruising in potatoes caused by mechanical impacts...

Author(s): Anderson Gomide Costa, Roberto Alves Braga Jr., Eduardo V. B. Vilas Boas and Murilo Risso

April 2018

Influence of reducing sugar contents on sprout growth of blackberry cuttings

The objective of this study was to analyze the use of different doses of indolebutyric acid (IBA) and its influence on reducing sugar contents and the relationship of root and leaf development of mulberry cuttings, using commercial substrates and sand. The experimental design was a completely randomized design, with 3 replicates per plot and 5 cuttings per replicate, in a 3 × 3 factorial scheme, consisting of...

Author(s): Luiz Carlos Pereira, Henrique Menoncini, Fabiola Fernandes Abreu, João Victor de Souza Martins, Rodrigo Gonçalves Mateus, Marcos Barbosa-Ferreira, Cristiano Marcelo Espínola Carvalho, Ricardo Dias Peruca, Cleber Junior Jadoski and Denílson Guilherme

April 2018

Fungistatic activity of essential oil of Lippia sidoides Cham. against Curvularia lunata

Synthetic pesticides used in agriculture to control pathogens are being widely questioned for their harmful effects on human health and the environment. Therefore, the objective of this study was to evaluate the fungistatic activity of Lippia sidoides Cham. essential oil on alternative control of Curvularia lunata (Wakker), the causal agent of spot in maize plants. The fungitoxic contact effect was successful, resulting...

Author(s): Talita Pereira de Souza Ferreira, Dalmarcia de Souza Carlos Mourão, Gil Rodrigues dos Santos, Luiz Gustavo de Lima Guimarães, Ellen Caroline Feitoza Pires, Weder Ferreira Santos and Raimundo Wagner de Souza Aguiar

April 2018

Effects of mineral salts on forage seeds germination

The objective of this study was to evaluate seed germination of three different forage species subjected to saline stress. The seeds remained in salt for 0 to 24 h and were then deposited in field beds. After 15 days, the germination was evaluated from its emergence. The effect of NaCl on germination was evaluated for the following treatments: a) 0 h (control); b) permanence in NaCl for 6 h; c) permanence in NaCl for 12...

Author(s): Suzana Cristina Quintanilha, Erico da Silva Lima, Vanessa Aparecida Feijó de Souza, Tiago Neves Pereira Valente, Bruno Borges Deminicis, Andrea Roberto Bueno Ribeiro, Vitória Gallo Borges de Lima and Agatha Nara Pirondi

April 2018

Environmental conditions of the interior of the tropical forest and regeneration of tree species

This study aimed to analyze the interactions between environmental variables and the occurrence of tree species in the understory of an Atlantic forest fragment in Southeastern Brazil. The vegetation data collection was carried out in ten locations, with trees having diameter at breast height (DBH) larger than 5 cm and with distinct physiographic characteristics, orientation and slope. The following variables were...

Author(s): José Eduardo Macedo Pezzopane, Gilson Fernandes da Silva, Eduardo Alvarez Santos, Miguel Angel Herrera Machuca and Talita Miranda Teixeira Xavier

April 2018

Agronomic efficiency of Bradyrhizobium pre-inoculation in association with chemical treatment of soybean seeds

The competitiveness of Brazilian soybean in the international market is highly dependent on biological nitrogen fixation, whose efficiency is related to factors that affect the survival of the bacteria, such as the chemicals used in the treatment of seeds. The study objective was to evaluate Bradyrhizobium pre-inoculation (10 days before sowing) of soybean seeds treated with fungicides and insecticide compared to the...

Author(s): Krisle da Silva, Edmilson Evangelista da Silva, Eliane do Nascimento Cunha Farias, Josimar da Silva Chaves, Christian Nilton Batista Albuquerque and Carina Cardoso

April 2018

Isolation, characterization and biological activity of organic extractives from Calodendrum capense (L.f.) Thunb.(Rutaceae)

A novel prenylfuroquinoline alkaloid capensenin (1), an alkaloid confusameline (2), two furanocoumarins psolaren (3) and bergapten (4), were isolated from hexane and dichloromethane crude extracts of stem bark, leaves and fruit pericarp of Calodendrum capense. Limonin (5) was also isolated from the stem bark, while limonin diosphenol (6) was isolated from the seeds. Capensenin (1) showed weak antimicrobial activity...

Author(s): Okwemba R. I., Tarus P. K., Machocho A. K., Wanyonyi A. W., Waweru, I. M.,  Onyancha J. M., Onani M. O. and Amuka O.

April 2018

Rice (Oryza sativa) breeding strategies for grain biofortification

Biofortification is a process in which plant species are improved in order to raise the nutritional content of the product consumed. The following are some of the main techniques that can be introduced in plant breeding programs in order to improve the nutritional quality of the food to be produced. The rice breeding for higher Fe and Zn content in grain, rice breeding for higher β-carotene content in the grain,...

Author(s): Fábio Luíz Checchio Mingotte, Lucas Tadeu Mazza Revolti, Sandra Helena Unêda Trevisoli, Leandro Borges Lemos and Domingos Fornasieri Filho

April 2018

Preventive effect of black rice antioxidant extract on oxidative stress induced by ethyl alcohol

The present study investigated the black rice ethanolic extract (BREE) protective effect as natural antioxidants against oxidative stress induced by ethyl alcoholic (EA) in male rats. BREE flavonoids and phenols were determined by high performance liquid chromatography (HPLC). The study was conducted on 40 male Wistar rats weighing 170±2 g, the animals divided into 4 equal groups. The first group was given...

Author(s): Suhailah S. Al-Jameel and Soheir N. Abd El-Rahman,  

April 2018

Production and purification of extracellular pullulanase by Klebsilla aerogenes NCIM 2239

The present study was carried out to optimize the production of pullulanase from Klebsilla aerogenes NCIM 2239, a new strain of the bacterium. The organism was screened for its ability to synthesize and secrete extracellular pullulanase, by analysis of pullulan degrading activity. Environmental (pH and temperature) and nutritional (carbon and nitrogen) factors influencing growth and product formation were optimized...

Author(s): N. Prabhu, R. Uma Maheswari, M. Vijay Pradhap Singh, S. Karunakaran, C. Kaliappan and T. Gajendran  

April 2018

Heterosis, heterobeltiosis, narrow-sense and broad-sense heritabilities for Phytophthora megakarya tolerance in two populations of Theobroma cacao L.

A 2x2 diallel mating design was set up to estimate quantitative genetic parameters after leaf artificial inoculation tests in nursery and field for three consecutive years. F12 and F40 families of two reciprocal crosses viz., F12: ♀SCA12 × ♂ICS40 and F40: ♀ICS40 × ♂SCA12 were used to study heterosis (mid-parent), heterobeltiosis (better-parent), heritability (narrow-sense and broad-sense) and to quantify...

Author(s): Jude N. MANGA, Martine L. ONDOBO, Pierre O. EFFA, Jules C. K. DJOKO, and Pierre F. DJOCGOUE,  

March 2018

Characterization of productive and reproductive performances, morphometric and challenges and opportunities of indigenous cattle breeds of Ethiopia: A review

The aim was to review and summarize the fragmented characterization information of indigenous cattle breeds of Ethiopia in productive and reproductive performances, morphometric traits and their production challenges and opportunities. Cattle play vital role in ensuring food security of Ethiopia. They contributed milk which accounted above 80% of the total national annual milk production. Although Ethiopia has large...

Author(s): Teweldemedhn Mekonnen

March 2018

Variations in village chicken management packages in two agro-ecological zones of Tanzania

This study was conducted in two regions namely, Mbeya in southern highlands (Cool) and Singida in central (semi-arid) Tanzania. Currently, the African Chicken Genetic Gain (ACGG) project is testing tropically high producing adapted breeds in these areas. The objective of this study was to assess status of chicken management practices following the introduction of improved strains. In addition, five attitudinal...

Author(s): Lenox Omondi Pius, and Said Hemed Mbaga

March 2018

Management and Breeding Objectives of Maefur goat breed type in Erob district eastern Zone of Tigray, Northern Ethiopia

A cross sectional survey was conducted to characterize production system and to identify breeding objectives of Maefur goat population in the eastern zone of Tigray, Northern Ethiopia. A pre-tested questionnaire was used for the personal interview with purposively selected 150 households. The data collected through personal household interview were analyzed using descriptive statistics. Indices were used to provide the...

Author(s): Weldeyesus Gebreyowhens, and Rohotash Kumar

March 2018

The contribution of Indigenous Knowledge Systems (IKS) on food security in Mbokomu ward, Kilimanjaro Region, Tanzania

This paper focuses on the contribution of Indigenous Knowledge Systems (IKS) on food security in Mbokomu ward. The main objective of this paper is to ascertain the use and application of IKS on food security and document methods used in food preservation. Various ethnic groups have different methods of preserving food and use it during the food shortage. Thus, people in Mbokomu ward used several methods in preserving...

Author(s): Emmanuel Patroba Mhache

March 2018

Effect of nitrogen fertilizer treatments on duration of senescense, harvest time and yield in some varieties of cowpea (Vigna unguiculata (L.) Walp)

The effects of liquid nitrogen fertilizer (150% N) and benzyl amino purine (BAP 200 ppm) on senescence, yield and nutrients mobilization in two cowpea varieties were investigated in the rainy and dry seasons. The study was conducted in a screen house at the University of Lagos, Nigeria (6°27ʺ1, 3°45ʺ E). The duration of the study was between August 2012 and January 2013. The experimental design used was...

Author(s): Mohammad M. and Mukhtar F. B.  

March 2018

Analysis of physical and chemical parameters in ground water consumed within Konso area, Southwestern Ethiopia

To improve water quality, there should be a mechanism of keeping safe water source from chemical contaminants in an effective and protective way through the application of regular checkup and with interventions by taking exact measure periodically before it is supplied for usage. The intention of this research is aimed at determining the level of common cations, anions, heavy metals and physical parameters in drinking...

Author(s): Behailu T. W., Badessa T. S. and Tewodros B. A.

March 2018

Heterosis and combining ability analysis of quality protein maize (Zea mays L.) inbred lines adapted to mid-altitude sub-humid agro-ecology of Ethiopia

Generation of information on heterosis and combining abilities of newly developed maize inbred lines is necessary for a successful hybrid and synthetic maize varieties development. Accordingly, this study was conducted to estimate the combining ability of QPM inbred lines for grain yield and yield related traits and to determine the magnitudes of standard heterosis for grain yield and yield related traits in line...

Author(s): Dufera Tulu, Bulti Tesso and Girum Azmach  

March 2018

Genetic variability, correlation and path analysis for quantitative traits of seed yield, and yield components in chickpea (Cicer arietinum L.) at Maichew, Northern Ethiopia

Twelve chickpea genotypes were tested to assess variability, heritability, correlations and direct and indirect effects between yield and yield components. Maximum phenotypic and genotypic coefficient of variation was recorded for number of seeds per plant (33.8, 32.4), number of secondary branches per plant (30.3, 29.6), number of pods per plant (25.6, 24.7) and 100 seed weight (23.0, 22.7) respectively . High...

Author(s): Assefa Amare Hagos, Tadesse Desalegn and Tesfay Belay

March 2018

Genotoxicity assessment of three industrial effluents using the Allium cepa bioassay

The Allium cepa assay was employed, in conjunction with physico-chemical analysis, to investigate the potential cytotoxicity and genotoxicity of three industrial effluents (soap, beverage and paint) from the southeast of Nigeria. For in situ monitoring of cytotoxicity level, inhibition of mitotic division was investigated and for genotoxicity evaluation, chromosomal aberration assay was carried out. The results showed...

Author(s): Olusola O. Ibeh and Solomon N. Umeham

March 2018

Upland rice response to fertilizer in three agro-ecological zones of Uganda

The yield of upland rice (Oryza spp.) per unit area of production in Uganda is low, partly due to low soil fertility, and use of fertilizer and manure is also low. Trials to establish the response of upland rice to applied nutrients and economically optimal nutrient rates (EOR) were determined at Tororo, Kawanda and Kadesok. The increase in paddy yield was in the range of 91 to 173% with application of 50 to 120 kg N...

Author(s): Kayuki C. Kaizzi, Angella Nansamba, Ruth Kabanyoro, Jimmy Lammo and Harrison Rware  

March 2018

Bioprospection of freshwater microalgae from Bonito, MS, Brazil

The great biodiversity of the Serra da Bodoquena is the result of years of biological evolution. A complex combination of natural factors allows aquatic plants, fish and invertebrates to coexist in absolutely crystalline water springs. Together, organisms form an intricate web of life, connecting a single-celled microalga with large river predators. For better knowledge of the biodiversity of microalgae, an important...

Author(s): Alisson Alves da Silva and Gustavo Graciano Fonseca

March 2018

Effect of traditional and modified grain-soaking methods on physicochemical characteristics and consumers’ acceptability of sorghum ogi

The influence of traditional and modified soaking methods and varietal difference of sorghum [Sorghum bicolor (Linn.) Moench] grains on the physicochemical properties and consumers’ acceptability of ogi was investigated. Three sorghum varieties (SAMSORG-14, SAMSORG-41 and SAMSORG-42) were used for the study, and each was subjected to three grain-soaking methods (SGW-72, PBW-24 and IBG5-24) after which ogi was...

Author(s): Bolade K. Mathew, Anota O. Adebowale and Bolade O. Oladayo  

March 2018

Livestock depredation by wild carnivores in the Eastern Serengeti Ecosystem, Tanzania

Livestock losses caused by wild carnivores foster negative attitudes and promote retaliatory killings, threatening the future of carnivore populations. Measures to bring about coexistence between humans and carnivores are of great importance to carnivore conservation. The study questionnaire survey involved 180 respondents from Eastern Serengeti tribes (Maasai and Sonjo), all of which owned livestock. Reported livestock...

Author(s): Franco Peniel Mbise, Gine Roll Skjærvø, Richard D. Lyamuya, Robert D. Fyumagwa, Craig Jackson, Tomas Holmern and Eivin Røskaft

March 2018

Production and marketing of rice in Kenya: Challenges and opportunities

Rice farming remains an important concern in Kenya due to its positive impact on increasing household food security, raising farmer’s income as well as reducing risks in the years of poor weather conditions. Currently, the demand for rice in Kenya outstrips its production, a gap that is filled through imports. Thus, increasing rice production and productivity in Kenya requires a number of measures to be put in...

Author(s): Evans A. Atera, Florence N. Onyancha and Eucabeth B. O. Majiwa  

March 2018

The effect of land use type on butterfly diversity at Masako Forest Reserve, Kisangani, Democratic Republic of Congo

The effect of land use type on butterfly abundance, species richness, and biodiversity was studied at Masako Forest Reserve in Kisangani, Democratic Republic of Congo. The study was conducted in a primary (PF) and secondary forest (SF), fallow (FW), and an agricultural field (AF). Three bait traps were used; each trap had a cylinder consisting of two metal rings of 30.48 cm diameter and 106.68 cm length with a 15.24 cm...

Author(s): Nsalambi V. Nkongolo, and Franck Bapeamoni

March 2018

Impact of the storage conditions and duration on some nutritional parameters of three flours of mass consumption in Cameroon

Wheat, maize and cassava flours are of mass consumption in Cameroonian households. Depending on the frequency of consumption and the size of households, these flours can take several months before complete exhaustion. The present work assessed the impact of three common storage conditions (aerobic, partial aerobic and anaerobic) on the evolution of some nutritional parameters of these flours. The results showed that...

Author(s): SONTSA-DONHOUNG Alain-Martial, BONGSE ANDOSEH Patience Kari, MABOUNE TETMOUN Abeline,  BOUGNON Blaise and MOUNJOUENPOU Pauline  

March 2018

Preparation and analysis of goat milk mozzarella cheese containing soluble fiber from Acacia senegal var. kerensis

Mozzarella cheese is one of the preferred ingredients for use in pizza. Goat milk is a good source of protein and calcium, possessing unique characteristics with a high proportion of small milk fat globules that contain a higher concentration of short chain, medium chain and polyunsaturated fatty acids than cow’s milk. Its use in mozzarella cheese can therefore impart significant health benefits to consumers....

Author(s): Samuel N. Kiiru, Symon M. Mahungu and Mary Omwamba  

March 2018

Effect of price and exchange rate volatility on Kenya’s black tea export demand: A pooled mean group estimation

The tea sector plays an important role in the Kenyan economy mainly through employment, contribution to Gross Domestic Product (GDP) and foreign exchange earnings. However, the sector faces a number of risks including but not limited to production, technological, price and market risks, legal and personal risks. Price and exchange rate volatility is one of the main sources of risk in the agribusiness sector. This paper...

Author(s): Winrose Chepng’eno

March 2018

Food insecurity in the green famine belt of Ethiopia: Extent and severity in Belo-jiganfoy District, Benishangul-gumuz region

The green famine belt of Ethiopia is customarily viewed as food secure area only due to relatively adequate rainfall and green vegetation cover. In contrast, this paper argues and shows that the food insecurity condition termed as “green famine” has always existed in the belt. Accordingly, the paper examined the extent and severity of food insecurity based on a cross-sectional survey of 220 households in...

Author(s): Guyu Ferede and Muluneh Wolde-Tsadik  

March 2018

Senior academic background, R&D intensity and productivity: Based on the data of listed companies in the agricultural sector

Agricultural companies (2011-2013) were chosen as the samples of this study. Financial report data were used to analyze the disciplines of the executives, their strength mean, research and development (R&D) strength and productivity. The results of the empirical research showed that companies with technology executives will significantly have increased R&D intensity; but companies with management executives...

Author(s): Shu Yehong and He Yucheng

March 2018

Does gender matter in effective management of plant disease epidemics? Insights from a survey among rural banana farming households in Uganda

Crop diseases significantly suppress plant yields and in extreme cases wipe out entire crop species threatening food security and eroding rural livelihoods. It is therefore critical to estimate the extent to which shocks like disease epidemics can affect food availability and the capacity of smallholder farmers to mitigate and reverse the effects of such shocks. This study utilizes sex-disaggregated data from 341...

Author(s): Enoch Mutebi Kikulwe, Stanslus Okurut, Susan Ajambo, Eisabetta Gotor, Reuben Tendo Ssali, Jerome Kubiriba and Eldad Karamura

March 2018

Semen characteristics, morphology and testicular parameters of Uda (ovis aries) in Ibadan, Nigeria

The spermiogram and biometrical observations on the testes and epididymis of 20 adult Uda rams were investigated. The study was aimed at providing information on the reproductive potentials of Uda rams in Ibadan, and thus improved evaluation of breeding soundness in rams. The average age of the rams was 26.40±7.39 months, and their mean body weight was 39.80±3.00kg. The lengths of the right testes...

Author(s): Matthew Olugbenga Oyeyemi and Moyinoluwa Julianah Olusoji

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