SHELTERS INFLUENCE IN DUSKY GROUPER CULTURE

Authors

  • Nayara Yoshimini de OLIVEIRA Instituto de Pesca, APTA, Secretaria da Agricultura e Abastecimento, Governo do Estado de São Paulo/ Pós-Graduação em Aquicultura e Pesca, Instituto de Pesca.
  • Otávio Mesquita de SOUSA Instituto de Pesca, APTA, Secretaria da Agricultura e Abastecimento, Governo do Estado de São Paulo/ Pós-Graduação em Aquicultura e Pesca, Instituto de Pesca.
  • Vanessa Villanova KUNHEN Instituto de Pesca, APTA, Secretaria da Agricultura e Abastecimento, Governo do Estado de São Paulo
  • Eduardo Gomes SANCHES Instituto de Pesca, APTA, Secretaria da Agricultura e Abastecimento, Governo do Estado de São Paulo

DOI:

https://doi.org/10.20950/1678-2305.2019.45.3.473

Keywords:

environmental enrichment, Epinephelus marginatus, zootechnical performance, mariculture, aquaculture

Abstract

Environmental enrichment can be an important tool to improve the productive performance of dusky grouper Epinephelus marginatus (Lowe, 1834). The goal of this study was to evaluate the preference for shelters and the effect of the availability of shelters on the productive performance of dusky groupers juveniles in salt water recirculation system. Two trials were conducted, the first one to determine the preference for different types of shelters (rocks, bricks and PVC pipes of different colors) and the second one on the use of shelters, with three treatments (T1 = without shelter; T2 = one shelter per fish and T3 = two shelters per fish). The dusky grouper showed preference for shelters of PVC tubes of brown color. The use of shelters favored better productive performance of the species in salt water recirculation systems.

Downloads

Published

2019-09-02

Issue

Vol. 45 No. 3 (2019): BOLETIM DO INSTITUTO DE PESCA

Section

Scientific Article

Most read articles by the same author(s)