Gastric evacuation in European seabass Dicentrarchus labrax (Linnaeus, 1758), forced-fed on commercial pellets


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Authors

  • Habib Bal Livestock Research Institute, Department of Fisheries, Bandırma, Balıkesir, Turkey
  • Umerhan Durrani
  • Kadir Seyhan

https://doi.org/10.21077/ijf.2023.70.1.100596-04

Abstract

The effects of meal size and body size on gastric evacuation rates were parameterised for European seabass Dicentrarchus
labrax (Linnaeus, 1758). A total of three gastric evacuation experiments were performed on small (15.7±0.8 cm) and large
(21.5±0.4) size fish forced-fed with meals of 0.5 and 1.5 g composed of commercial pellets. The stomach contents were
then recovered by serial slaughtering the fish at predetermined post-prandial times. The surface-area dependent function
adequately describes the gastric evacuation in European seabass independently of meal size. A power function of fish length
L was then employed to evaluate the impact of body size, revealing its notable effect on gastric evacuation rates of European
seabass.
Keywords: Aquaculture, Feeding regimes, General power function, Surface-area dependent

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Author Biography

Habib Bal, Livestock Research Institute, Department of Fisheries, Bandırma, Balıkesir, Turkey

Senior researcher at Livestock Research Institute, Department of Fisheries, Bandırma, Balıkesir, Turkey

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Submitted

2020-05-15

Published

2023-03-31

How to Cite

Bal, H., Durrani, U., & Kadir Seyhan. (2023). Gastric evacuation in European seabass Dicentrarchus labrax (Linnaeus, 1758), forced-fed on commercial pellets. Indian Journal of Fisheries, 70(1). https://doi.org/10.21077/ijf.2023.70.1.100596-04

Issue

Vol. 70 No. 1 (2023)

Section

Articles

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