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All Journal Britain International of Exact Sciences Journal (BIoEx Journal)
Robijaona Rahelivololoniaina B.
Engineering and Industrial Process, Agricultural and Food Systems, Polytechnic High School of Antananarivo, Madagascar
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Medicine & Pharmacology Physics

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Recovery of Glass Waste in the Manufacture of Cement Mortar Razafimahefa M. V.; Rajeriarison A. T.; Randriantsimbazafy A.; Rakotomamonjy P.; Razafindramanga A.W.; Rakotomamonjy L.; Koto-te-Nyiwa Ngbolua; Robijaona Rahelivololoniaina B.
Britain International of Exact Sciences (BIoEx) Journal Vol 5 No 2 (2023): 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.v5i2.878

Abstract

Almond powder of Irvingia smithii has been incorporated, at the doses of 25 and 50 %, in mice standard ration (prepared by Matadi mill), at INRB, composed of wheat flour, wheat bran and pellets for rabbits to evaluate weight gain, live weight gain and feed conversion and to assess motor activity after 50 days of feeding. Results showed an average increase in live weight gain of 31.08% and 8.36% for the groups of mice fed food supplemented with Irvingia smithii almond powder respectively at 25% and 50% higher than the group of control mice fed exclusively with the standard food. On the other hand, the food consumption index (F.C.I) was very low for the group of mice fed with the food supplemented at 50% (F.C.I. 27.73) and low for the group of mice fed 25% supplemented food (F.C.I. 64.83) compared to the control group (F.I.C. 108,14). In addition, the groups of mice fed the supplemented food did not show motor weakness, even fewer respiratory complications or health problems compared to the control during these 50 days of observation. Live weight gain sufficiently demonstrates the nutritional value of the kernel of I. smithii.
Valorization of Agricultural Waste into Ecological Coal in the Region of Vakinankaratra Ranaivoson S. L. O.; Rakotomamonjy P.; Razafindramanga A. W; Razafimahefa M.V; Razafindrakoto N.R.F.; Letsara R.; Andriatsilavo M.H.; Koto-te-Nyiwa Ngbolua; Robijaona Rahelivololoniaina B.
Britain International of Exact Sciences (BIoEx) Journal Vol 5 No 2 (2023): 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.v5i2.879

Abstract

Ecological charcoal is coal produced from biodegradable residues rich in carbon, mainly from agricultural residues. This charcoal has been obtained with different operations such as carbonization, molding and compacting to obtain briquettes. To ensure the quality of the coal, several analyses were carried out in the laboratories. The physicochemical characteristics such as moisture content, ash content, fixed carbon content; volatile matter index and lower calorific value are analyzed to better exploit their uses. Its exploitation has many advantages especially in the field of health and environment, especially for the reduction of deforestation and air pollution. This research gives 5 varieties of ecological coal obtained by the valorization of agricultural waste in the region of Vakinankaratra, a region located in the highlands of Madagascar and known for its high potentiality in agriculture and livestock. It is about the valorization of rice straw, rice husk, corn straw, banana peelings, and soybean stalks.
Co-Authors Andriatsilavo M.H. Koto-te-Nyiwa Ngbolua Letsara R. Rajeriarison A. T. Rakotomamonjy L. Rakotomamonjy P. Ranaivoson S. L. O. Randriantsimbazafy A. Razafimahefa M. V. Razafimahefa M.V Razafindrakoto N.R.F. Razafindramanga A. W Razafindramanga A.W.