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Mild swimming activity and stress in Nile tilapia

Grant number: 17/21594-7
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Start date: April 01, 2018
End date: March 31, 2019
Field of knowledge:Agronomical Sciences - Fishery Resources and Fishery Engineering - Aquaculture
Principal Investigator:Rodrigo Egydio Barreto
Grantee:Maria Luiza Roza e Silva
Host Institution: Instituto de Biociências (IBB). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil

Abstract

There is growing consideration over animal welfare in practices involving farmed animals, including aquaculture. Reducing stress is a point to be considered in order to achieve good well-being. In this context, one of the goals is to identify which factors are stressful in the practice of aquaculture, something that has been widely explored. On the other hand, another goal would be to identify how to reduce or relieve stress after this has occurred, something much less explored. It is known that in mammals activities that are moderate exercise reduce stress levels. Thus, we hypothesized that this could be plausible for fish too, especially considering that the neuroendocrine axis associated with stress response is reasonably conserved among vertebrates. In this context, we will evaluate in the present study potential associations between moderate swimming activity and stress response in juveniles of Nile tilapia (Oreochromis niloticus), thus contributing to the development of potential technologies to manage the stressors inherent to aquaculture practice in this species of fish, which is highly important for Brazilian and worldwide fish farms. (AU)

News published in Agência FAPESP Newsletter about the scholarship:
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Articles published in other media outlets ( ):
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VEICULO: TITULO (DATA)
VEICULO: TITULO (DATA)

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)
ROZA E SILVA, MARIA LUIZA; PEREIRA, RAFAELA TORRES; ARVIGO, ALEXANDRE LUIZ; ZANUZZO, FABIO SABBADIN; BARRETO, RODRIGO EGYDIO. Effects of water flow on ventilation rate and plasma cortisol in Nile tilapia introduced into novel environment. AQUACULTURE REPORTS, v. 18, . (17/21594-7, 16/19518-8)