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Britain International of Exact Sciences Journal (BIoEx Journal)
Published by BIAR Publisher
ISSN : 26861216     EISSN : 26861208     DOI : https://doi.org/10.33258/bioex
Core Subject : Health, Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Medicine & Pharmacology Physics
Britain International of Exact Sciences Journal is a peer-reviewed journal published in January, May and September by BIAR Publisher. BIoEx Journal welcomes research paper in mathematics, physics, chemistry, biology, engineering, medical sciences, argicultural sciences and other related fields which is published in both online and printed versions.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 183 Documents
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Between Anthropogenic Influence and Resource Management: Impacts of Risks and Preservation Strategies in the Ikopa Watershed, Madagascar Fidelio Arnold Ulrich; Razanamparany Bruno; Rejo Robert; Ratiarimananjatovo Narindra; Andrianjary Myriam; Robijaona Rahelivololoniaina Baholy
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 1 (2024): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i1.1042

Abstract

The impacts of anthropogenic risks on water resource management underscore the necessity for a careful and adaptable approach to ensure long-term sustainability. In the Ikopa Watershed in Madagascar, numerous human activities present significant challenges. Water quality is impacted by pollution resulting from agricultural practices. Uncontrolled deforestation intensifies watershed degradation, jeopardizing the availability of water resources. Rapid urbanization and escalating human activities further contribute to the deterioration of water quality. The hypothesis posits that responsible exploitation of natural resources contributes to the preservation and sustainability of water resources in the Ikopa Watershed. This study concentrates on investigating potential anthropogenic risks that influence resource degradation and the perception of mitigation measures. The main objective of this section is to assess the anthropogenic risk factors contributing to water resource degradation in the watershed. The study employs change detection studies through remote sensing and GIS approaches, complemented by social analysis. This methodology aims to identify potential anthropogenic risks affecting responsible water resource management, along with an exploration of local mitigation strategies. The results underscored potential risks faced by the local population in the watershed, including challenges associated with agriculture, urbanization, inadequate drainage network management, and high population density. Binary logistic regression analysis reveals significant connections between anthropogenic risks and the mitigation strategies adopted by local communities in the Ikopa Watershed. The findings indicate that specific characteristics of degradation or local interventions can either positively or negatively influence the adoption of these strategies.
Identification of Edible Mushroom Species in the City of Lodja and Its Surrounding (Sankuru Province) in Democratic Republic of Congo Junior-Gauthier N. Wembodinga; Benoit O. Djanya; Irène Y. Ambale; Jean-Malabar D. Shokesole; Jean Bernard Z. Bosanza; Jean Paul Koto-Te-Nyiwa Ngbolua
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 1 (2024): Britain International of Exact Sciences Journal, January
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i1.1043

Abstract

The study was carried out in order to constitute a database necessary for the valorization of edible mushroom in the city of Lodja and it’s surrounding by the identification of the different species of mushrooms, the types of substrates on which grow as well as their natural habitats. The result obtained show that 20 species of edible mushrooms have been identified, 70% of which grow during the rainy season compared to 30% in the dry season. Concerning the habitat, 60% of mushrooms are harvested in forests, 25% are multipurpose and 15% are harvested on grassy formations. Regarding the specificity of substrates, 40% of species grow on land, 30% colonize dead palm trees, 15% use either dead palm tree and trees or dead wood, 10% grow on dead wood and only 4% evolve on plant detritus. In terms of abundance, 50% are abundant, 30% are less abundant and 20% are rare in the environment. Finally, 4 species (20%) namely: Ntelia amanitalosis, Lentinus tigrinus, Cantharellus rufopunetatus and Marasmius oreades, present potential for mushroom cultivation. Hence, the need to domesticate them in order to study their performance and diversify local production.
Formulation of Feeds Intended For Livestock of Cyprinus Carpio in the Vakinankaratra Region, Madagascar Rabarison Rindra; Ravelomanantsoa Ramanambe Nicole; Rabeharitsara Andry Tahina; Rakotomamonjy Pierre; Razafimahefa Mirana Verohanitra; Koto-te-Nyiwa Ngbolua; Robijaona Rahelivololoniaina Baholy
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 2 (2024): Britain International of Exact Sciences Journal, May
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i2.1044

Abstract

In order to promote the nourishment of carp in farming, four foods have been created from traditional raw materials and containing different quantities of locally produced banana flour 3%, 6%, 10%. We tested these foods which contain 36% crude proteins and 8% lipids on carp fry with an initial weight of 9g. After 50 days of experiment, the final weights of the fish fluctuated between 121.53g and 122.45g depending on the treatments used. The food containing 10% banana flour and the control food showed the highest growth and food transformation rates, with specific growth rates (SGR) of 5.18%/d and 5.14% /d as well as a conversion rate of 1.17 and 1.15 while the food with 6% banana flour obtained a SGR of 5.15 and a conversion index (CI) of 1.15 while that the food with 3% obtained a SGR of 5.14 and a CI of 1.16. Thanks to this test, we were able to observe the impact of bananas on the premature development of tilapia. We will continue to study the use of local agri-food by-products and waste in feeding this fish.
Pumpkin and Pastel Wine, A Fruit and A Legume Of The Cucurbitaceous Family in Green Circular Economy With Zero Waste Robijaona Rahelivololoniaina Baholy; Letsara Rokiman; Herimanantena Miarantsoa Tinah; Razafindrakoto Fanoina Ny Riana; Rabeharitsara Andry Tahina; Razafimahefa Mirana Verohanitra; Koto-Te-Nyiwa Ngbolua; Rakotomamonjy Pierre
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 2 (2024): Britain International of Exact Sciences Journal, May
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i2.1094

Abstract

This study explores the viability of watermelon (Citrullus lanatus) and pumpkin (Cucurbita pepo subsp. Pepo) as unconventional sources for sustainable winemaking, contributing to a zero-waste circular economy in viticulture. The research employs a multidimensional methodology encompassing chemical analyses, sensory evaluations, and environmental impact assessments to scrutinize the entire lifecycle of wine production. The findings reveal watermelon wine's superiority, boasting a 14° alcohol content, while pumpkin wine ranges at 11°. Both wines maintain physico-chemical and organoleptic attributes, with minimal alterations in micronutrient content. The compost generated from processing waste contains essential nutrients for plant growth. Comparative analysis underscores the advantageous nature of this compost, laying the foundation for sustainable winemaking practices in Madagascar and illuminating the untapped potential of tropical fruits in the global viticultural landscape. This study, pioneering the valorization of unconventional fruit and vegetable in Madagascar, strives to contribute to the discourse on environmentally conscious winemaking, fostering a paradigm shift toward ecologically harmonious practices in the agro-industrial sector.
Integration of fruit in the formulation of feed for Oreochromis niloticus breeding in the region of Vakinankaratra, Madagascar Rindra, Rabarison; Ravelomanantsoa Ramanambe Nicole; Rabeharitsara Andry Tahina; Rakotomamonjy Pierre; Razafimahefa Mirana Verohanitra; Koto-te-Nyiwa Ngbolua; Robijaona Rahelivololoniaina Baholy
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 2 (2024): Britain International of Exact Sciences Journal, May
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i2.1095

Abstract

To promote the nutrition of tilapia in farming, four foods were created using traditional raw materials and containing different quantities of locally produced banana flour. These foods, which contain 36% crude proteins and 8% lipids, were tested on tilapia fry with an initial weight of 8 grams. After 50 days of the experiment, the final weights of the fish fluctuated between 33.28 grams and 41.4 grams, depending on the treatments used. Foods containing 3% and 6% banana flour showed the highest growth and food conversion rates, with respective specific growth (SGR) rates of 3.98 and 3.62, as well as conversion rates (CI) of 1.8 and 1.69. Meanwhile, the food with 10% banana flour obtained a SGR of 2.92 and a CI of 2.01, while the control obtained a SGR of 3.3 and CI of 1.7. Thanks to this test, we were able to observe the impact of bananas on the premature development of tilapia. We will continue to study the use of local agri-food byproducts and waste in feeding this fish.
Psychological Impacts on Post-COVID-19 Patients in Raptisonari Rural Municipality, Banke District Lal Mani Acharya
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 2 (2024): Britain International of Exact Sciences Journal, May
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i2.1096

Abstract

This study investigates the psychological effects experienced by patients who have recovered from COVID-19 in the Raptisonari Rural Municipality of Banke District. The primary objective is to elucidate the actual psychological impacts on these individuals. The research adopts a descriptive methodology, encompassing both quantitative and qualitative data. A sample of 80 respondents, all above the age of 20, was selected using snowball sampling. Data collection was conducted through questionnaires and informal interviews during direct visits to the respondents. The collected primary data were meticulously edited and presented in the final report, with tabulation aligned to the study's objectives. Data entry and analysis were performed using Microsoft Excel, enabling the creation of relevant tables and diagrams. The analysis revealed that 40% of respondents were aged 25-29, while only 1.25% were in the 55-59 age group. Additionally, 72.5% of the respondents belonged to the Janajati community, and all respondents were literate, with 26.25% having completed the SLC/SEE. Employment status showed that 55% of respondents were job holders. In terms of religious affiliation, 87.5% were Hindu. Regarding symptoms, 85% reported experiencing fever, cough, and tiredness, with eight clients specifically mentioning fever and four mentioning cough. Preventive measures identified included mask-wearing, as reported by 39 clients, and 35% of clients were diagnosed with COVID-19 at hospitals. The psychological impact of the COVID-19 diagnosis was significant, with 68.75% of respondents expressing fear upon diagnosis. During the isolation period, 83.75% of the respondents were in home isolation, with 50% fearing death and 45% expressing happiness upon discharge from isolation. Post-recovery, 66.25% of the respondents received congratulations from friends and family upon meeting them. This study highlights the profound psychological effects on COVID-19 recovered patients and underscores the need for targeted mental health support for this population.
Gravitational Collapse of Solar Nebulae and the Processes of Star Formation Belay Sitotaw Goshu
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 2 (2024): Britain International of Exact Sciences Journal, May
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i2.1097

Abstract

The creation of stars and planetary systems depends on the gravitational collapse of solar nebulae. Comprehending the variables that impact this collapse, such as changes in temperature and density within molecular clouds, is essential to understanding the initial phases of star formation. This work aims to apply numerical simulations and theoretical models to examine the relationship between Jean's mass temperature and density variations in a solar nebula. The Jeans mass was determined in this study by running several simulations at various densities (10−20 kg/m³ to 10−15 kg/m³) and temperatures (10 K to 100 K). The conditions required for gravitational instability were visualized by modeling the gravitational potential, density, velocity, and magnetic field. Based on the data, it can be observed that the Jeans mass increases dramatically from 10 K to 100 K, reaching magnitudes of about 1.272×1033 kg at a density of 10−20 kg/m³. In addition, changes in density between 10−20 and 10−18 kg/m³ result in significant fluctuations in Jean's mass, especially between 20 and 100 K in temperature. The results demonstrate how important temperature and density are in a molecular cloud's ability to remain stable in space. While the threshold mass for instability is lowered at higher densities, collapse at higher temperatures requires bigger masses. These findings provide important new information about the mechanisms behind star formation and are consistent with theoretical forecasts and observational facts. Future research on more intricate physical processes, like radiative transmission and magnetic field dynamics, is advised to improve our comprehension of how stars emerge in molecular clouds.
Investigating the Erosion and Loss of Saturn's Planetary Ring Structures Belay Sitotaw Goshu
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 3 (2024): Britain International of Exact Sciences Journal, September
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i3.1099

Abstract

One of the most famous structures in our solar system, Saturn's rings, is slowly eroding, which has an immense effect on the planet's magnetic field and moons. This research intention was to explore the processes of ring erosion, ring material accumulation on the inner moons, and the effects on Saturn's magnetic field. By applying image analysis methods, computational modeling, and data from NASA's Cassini mission, we investigated the connection between ring erosion and modifications to Saturn's system's physical properties. Using high-resolution photos of Saturn's rings, the technique looked for changes in color composition that might be signs of material loss. The pace of ring erosion and its effects on the mass of Saturn's inner moons and magnetic field were modeled mathematically. The findings showed a linear rise in inner moon mass with time connected to the rings' degradation. Thus, when the rings disintegrated, it was discovered that Saturn's magnetic field weakened linearly. The study shows that Saturn's rings are gradually disintegrating causing the planet's magnetic field strength to weaken and the mass of its inner moons to grow. These results demonstrate the interdependence of Saturn's magnetic field erosion process, moons, and rings. It might affect the planet's evolution in the long run. Long-term ring monitoring, more research on ring-moon interactions, and an inspection of magnetic field changes are among the recommendations.
Phytonutraceutical composition of dark green, light green, and white varieties of Sechium edule (Jacq.) Sw (Chayote) cooked by different methods from the Vontovorona market, Alakamisy Fenoarivo Commune, in the context of a zero-waste circular economy Rakotomamonjy Pierre; Ralaibia Boniface Erménégilde; Letsara Rokiman; Razafindrazanakolona Daniel; Rakotomalala Iarivontsoa Nekena Sahaza; Koto-te-Nyiwa Ngbolua; Robijaona Rahelivololoniaina Baholy
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 3 (2024): Britain International of Exact Sciences Journal, September
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i3.1162

Abstract

Three distinct varieties of Sechium edule (dark green, light green, and white) were procured from the Vontovorona open-air market. The chayotes were thoroughly washed and peeled, and their peel, flesh, and seed, whether raw, boiled, or steamed were analyzed for their phytonutraceutical components. Each part was then dried in a dehydrator at 41°C for 48 hours, ground, and placed in sachets. Mineral micronutrient content was assessed using portable X-ray fluorescence equipment, revealing magnesium as the predominant element across all varieties. Specifically, magnesium content in the dark green variety ranged from 1.01% to 2.32%, in the light green variety from 1.13% to 2.32%, and in the white variety from 1.64% to 3.42%. Macronutrient analysis, performed via the Kjeldahl method, indicated moisture content variations in the dark green variety from 84.58% to 90.37%, in the light green variety from 72.87% to 91.74%, and in the white variety from 84.93% to 92.87%. Phytochemical screening identified the presence of flavonols specifically in the raw white variety.
Studies Of the Physico-Chemical Parameters of Fish Farm Water in Antsirabe I, Vakinankaratra Madagascar Rabarison Rindra; Ramanambe Ravelomanantsoa Nicole; Rabeharitsara Andry Tahina; Koto-te- Nyiwa Ngbolua
Britain International of Exact Sciences (BIoEx) Journal Vol 6 No 3 (2024): Britain International of Exact Sciences Journal, September
Publisher : Britain International for Academic Research (BIAR) Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/bioex.v6i3.1163

Abstract

This study examines the quality of water used to farm tilapia and carp in Antsirabe, Madagascar. The physico-chemical parameters of 95 farm sites were analysed to determine and assess their compliance with the quality standards required for sustainable aquaculture. Samples taken at several farm sites revealed an average pH of 6.92, an average conductivity of 105µS/cm, an average oxygen level of 6mg/l, a temperature of 22°C and an average salinity of 0.054/00. These results highlight the importance of water quality management in aquaculture practices in Antsirabe, helping to ensure the economic and environmental viability of fish farming in this region.

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