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All Journal Budapest International Research in Exact Sciences (BirEx Journal)
Tahina, Rabeharitsara Andry
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Physics Transportation

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Integration of Fruit and Vegetables in the Food of Oreochromis Niloticus in the Vakinankaratra Region Rindra, Rabarison; Nicole, Ravelomanantsoa Ramanambe; Tahina, Rabeharitsara Andry; Pierre, Rakotomamonjy; Ngbolua, Koto-te- Nyiwa; Baholy, Robijaona Rahelivololoniaina
Budapest International Research in Exact Sciences (BirEx) Journal Vol 6, No 3 (2024): Budapest International Research in Exact Sciences, July
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v6i3.7973

Abstract

In order to promote the nutrition of tilapia in farming, a food has been created from traditional raw materials and containing a quantity of banana flour and carrot flour from local production 3%. We tested the food which contains 33% crude proteins and 8% lipids on carp fry having an initial weight of 99.56 ±1.12 gr during 50 days in Vakinankaratra region, Madagascar . After 50 days of experiment, the final weights of the fish fluctuated between 187.63g and 188.15g depending on the treatments used. The food containing banana flour, carrot and the control food showed almost similar growth and food transformation rates, with specific growth rates (SGR) of 3.12%/d and 3.14%/ j as well as a conversion rate of 1.5 and 1.5. Thanks to this test, we were able to observe the impact of banana and carrot on the development of tilapia. We will continue to study the use of local agri-food by-products and waste in feeding this fish.
Practices of fish farmers: techniques, characteristics, feeding, and type of aquaculture farming in the district of Antsirabe I Vakinankaratra Madagascar Rindra, Rabarison; Nicole, Ramanambe Ravelomanantsoa; Tahina, Rabeharitsara Andry; Ngbolua, Koto-te-Nyiwa
Budapest International Research in Exact Sciences (BirEx) Journal Vol 6, No 4 (2024): Budapest International Research in Exact Sciences, October
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v6i4.8008

Abstract

This study aims to explore the current practices of fish farmers, focusing on the different rearing techniques and the use of aquaculture environments in Antsirabe Vakinankaratra. In particular, the survey examines the management of rearing environments, the selection of species for rearing types, feeding and the characteristics of rearing environments. Many fish farmers notice significant benefits from their farming method. However, several problems persist, this situation, calls for training initiatives and financial support to optimize their production and ensure the sustainability of their activities.
Integral Valorization of the Invasive Lissachatina fulica in Madagascar : A Zero-Waste Pathway to Nutritional Security and the Green Circular Economy Odon, Fetisondraibe Zafimamonjy Louis; Daniel, Razafindrazanakolona Andriamanjato; Tahina, Rabeharitsara Andry; Tsaroana, Verofaniry Nomena; Baholy, Robijaona Rahelivololoniaina
Budapest International Research in Exact Sciences (BirEx) Journal Vol 7, No 4 (2025): Budapest International Research in Exact Sciences, October
Publisher : Budapest International Research and Critics University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birex.v7i4.8123

Abstract

Confronting critical imperatives of global food security and environmental sustainability, this investigation delineated the nutritional and mineral composition of the invasive African Giant Snail, Lissachatina fulica, thriving in Madagascar. Using standard biochemical assays and Total Reflection X-ray Fluorescence (TXRF) spectroscopy on a cohort of 30 individuals, the shell, flesh, and mucus were precisely evaluated. The resultant data reveal a compelling paradigm for integral bioresource valorization based on functional complementarity. The flesh exhibits a remarkable protein concentration of 63.58 % on a dry matter (DM) basis and contains substantial levels of essential micronutrients, notably Magnesium (1.57 % DM) and Iron (0.42 % DM). This profile validates the snail as a high-quality, sustainable protein resource capable of significantly fortifying regional food security initiatives. The mucus fraction is notably distinguished by its richness in protein (74.13 % DM) and Silicon (1.27 %), emphatically corroborating its high potential for therapeutic and cosmetic dermatological applications. The shell, overwhelmingly calcareous, boasts an elevated calcium concentration of 18.15 %, positioning it as a compelling source for nutritional supplements or advanced biomaterials. Crucially, the rigorous chemical analysis established the absence of detectable levels of toxic heavy metals (Pb, Cd, As, Hg) across all fractions, incontrovertibly affirming the safety and innocuousness of these derived materials. This study decisively substantiates the potential for harnessing a problematic invasive organism as a key green bioresource, validating the deployment of a holistic, "zero-waste" circular economy approach contributing synergistically to both nutritional security and sustainable economic development in Madagascar. 
Co-Authors Baholy, Robijaona Rahelivololoniaina Daniel, Razafindrazanakolona Andriamanjato Ngbolua, Koto-te- Nyiwa Ngbolua, Koto-te-Nyiwa Nicole, Ramanambe Ravelomanantsoa Nicole, Ravelomanantsoa Ramanambe Odon, Fetisondraibe Zafimamonjy Louis Pierre, Rakotomamonjy Rindra, Rabarison Tsaroana, Verofaniry Nomena