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The effect of different diets on the energy balance of males of shrimp from Amazon, Macrobrachium amazonicum (Crustacea, Decapoda)

Grant number: 14/18911-2
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): January 01, 2015
Effective date (End): June 30, 2016
Field of knowledge:Biological Sciences - Physiology
Principal researcher:Alessandra da Silva Augusto
Grantee:Paulo Victor Leme Mantoan
Home Institution: Instituto de Biociências (IB-CLP). Universidade Estadual Paulista (UNESP). Campus Experimental do Litoral Paulista. São Vicente , SP, Brazil

Abstract

The freshwater shrimp Macrobrachium amazonicum is one of the species with the greatest potential for aquaculture in Brazil. Since 2001 researchers from various regions of Brazil have been developing technology to its commercial setting. Currently, knowledge about their diet and physiology is one of the biggest bottlenecks to be solved. In this sense, the objective here is to study the effect of three different diets containing 32%, 35% and 38% crude protein on the energy balance of adult males of M. amazonicum. In aquaculture, the understanding about the energy balance of species is important, because you can understand how energy ingested as food is distributed among the various functions of the animal. The animals will be kept for 30 days in aquaria equipped with thermostat, aeration and biofilter. The energy balance is evaluated by quantifying energy intake and piped to the metabolism, excretion, feces, exuvia and growth. All data is converted into energy. The energy and moisture content will also be evaluated in the diet and feces. The results will help to understand the influence of diet on the physiological processes that involve the use of energy by M. amazonicum, clarifying and giving subsidies to its cultivation. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
MANTOAN, PAULO; BALLESTER, EDUARDO; RAMAGLIA, ANDRESSA CRISTINA; AUGUSTO, ALESSANDRA. Diet containing 35% crude protein improves energy balance, growth, and feed conversion in the Amazon river prawn, Macrobrachium amazonicum. AQUACULTURE REPORTS, v. 21, . (14/18911-2, 14/16983-6)

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