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Alternative plant protein sources supplemented with feeding stimulants from natural prey as replacement of fishmeal in diets for juvenile Florida pompano

Grant number: 18/24071-8
Support type:Scholarships abroad - Research Internship - Post-doctor
Effective date (Start): May 01, 2019
Effective date (End): April 30, 2020
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering - Aquaculture
Principal researcher:Tânia Marcia Costa
Grantee:Caio Akira Miyai
Supervisor abroad: Mahmoudreza Ovissipour
Home Institution: Centro de Aquicultura (CAUNESP). Universidade Estadual Paulista (UNESP). Campus de Jaboticabal. Jaboticabal , SP, Brazil
Research place: Virginia Polytechnic Institute and State University, United States  
Associated to the scholarship:17/20802-5 - Identification and evaluation of amino acids from Florida pompano (Trachinotus carolinus) natural preys as potential food stimulants, BP.PD

Abstract

Florida pompano (Trachinotus carolinus) is a highly prized species as a game and food fish, with a growing interest in marine finfish aquaculture. However, growth is one of the major problems found in this species. One way to stimulate fish growth is to increase feed intake using feeding stimulants and the action of these substances is more effective when it comes from the natural prey of each fish species. The present study will evaluate the mole crab extract (Emerita sp, an important and frequent food item in juvenile Florida pompano natural diet) as a feeding stimulant and assess if the addition of this substance in the aquafeed improves its palatability and acceptability, allowing the replacement of fish meal by a more sustainable ingredient (plant-based protein). Fish will be fed a formulated diet, supplemented with feeding stimulants from mole crabs, with different levels of fish meal replacement. Therefore, this study represents an important and essential attempt to achieve the consistent and successful replacement of the fish meal for marine carnivorous fish, aiming the environmental and economic sustainability for the aquaculture industry.

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