Araştırma Makalesi

The effect of feeds containing different protein levels on growth and survival rates of European sea bass (Dicentrarchus labrax L., 1758) juveniles grown in freshwater

Cilt: 40 Sayı: 4 15 Aralık 2023
PDF İndir
TR EN

The effect of feeds containing different protein levels on growth and survival rates of European sea bass (Dicentrarchus labrax L., 1758) juveniles grown in freshwater

Abstract

In this study, the effect of the use of feeds containing different protein ratios on the growth performance of juvenile sea bass (Dicentrarchus labrax L., 1758) reared in freshwater was investigated. Sea bass fry with an average body weight of 1.0 ± 0.03 g were stocked in 120 liter tanks in triplicate after their adaptation to freshwater. The feeds used in the study had different protein/similar fat content. Accordingly, the experimental groups were named as 45CP (45% CP / 18% CF), 50CP (50% CP / 18% CF) and 55CP (55% CP / 18% CF). At the end of the experiment, the highest body weight gain was 5.84 ± 0.03 g in the 55CP group, while the other groups were 5.73 ± 0.09 g (45CP) and 5.8 ± 0.08 g (50CP). SGR rates were similar for all three groups and there was no statistical difference between the groups (P>0.05). SGR values of the groups were calculated as 1.94 ± 0.04 (45CP), 1.89 ± 0.01 (50CP), 1.91 ± 0.02 (55CP), respectively. There was no statistical difference between the 45CP and 55CP groups, while the 50CP group showed a statistically lower FCR rate than the other groups (P<0.05). FCR values were calculated as 1.36 ± 0.05, 1.29 ± 0.03, 1.37 ± 0.04, respectively. There was no difference between the survival rates of the groups. According to the results of the study, it was concluded that sea bass fish can be raised in freshwater, especially in the fry stage, and that it is more effective than the commercial feeds currently used.

Keywords

Etik Beyan

Approval was obtained from Ege University Animal Experiments Ethics Committee (25.12.2019/2019+-116)

Kaynakça

  1. Allegrucci, G., Fortunato, C., Cataudella, S., & Sbordoni, V. (1994). Acclimation to freshwater of the sea bass: Evidence of selective mortality of allozyme genotypes. In A.R. Beaumont, (Ed.), Genetic and Evolution of Aquatic Organisms, 486-502, Chapman and Hall, London.
  2. Allegrucci, G., Fortunato, C., & Sbordoni, V. (1997). Genetic structure and sllozyme variation of sea bass (Dicentrarchus labrax and D. punctatus) in the Mediterranean Sea. Marine Biology, 128, 347–358. https://doi.org/10.1007/s002270050100
  3. Bernardino, R.J., & Fernandes, C. (2016, July). Growth performance for European sea bass fingerlings, Dicentrarchus labrax, reared at different salinities. In IMMR International Meeting on Marine Research. https://doi.org/10.3389/conf.FMARS.2016.04.00031
  4. Brown, M., Nematipour, G.R., & Gatlin, G.M. (1992). Dietary protein requirement of juvenile sunshine bass at different salinities. The Progressive Fish-Culturist, 54(3), 148-156. https://doi.org/10.1577/1548-8640(1992)054<0148:DPROJS>2.3.CO;2
  5. Caccone, G., Allegrucci, G., Fortunato, C., & Sbordoni, V. (1997). Genetic differentiation within the European sea bass (D. labrax) as revealed by RAPD-PCR assays. Journal of Heredity, 88(4), 316–324. https://doi.org/10.1093/oxfordjournals.jhered.a023109
  6. Cataudella, S., Allegrucci, G., Bronzi, P., Cataldi, E., Cioni, C., Corti, M., Crosetti, D., de Merich, D., Fortunato, C., Garibaldi, L., Loy, A., Marino, G., Sola, L., & Sbordoni, V. (1991). Multidisciplinary Approach to the optimization of sea bass (Dicentrarchus labrax) rearing in freshwater. In Aquaculture Europe '91. International Conference, Dublin, Ireland. EAS Special Publication, 14, 55-57.
  7. Cnaani, A., Stavi, A., Smirnov, R., & Harpaz, S. (2012). Rearing white grouper (Epinephelus aeneus) in low salinity water: effects of dietary salt supplementation. Israeli Journal of Aquaculture–Bamidgeh, 64, 1-5. https://doi.org/10.46989/001c.20633
  8. Dendrinos, P., & Thorpe, J.P. (1985). Effects of reduced salinity on growth and body composition in the European bass Dicentrarchus labrax (L.). Aquaculture, 49(3-4), 333-358. https://doi.org/10.1016/0044-8486(85)90090-0

Ayrıntılar

Birincil Dil

İngilizce

Konular

Balık Yetiştiriciliği

Bölüm

Araştırma Makalesi

Erken Görünüm Tarihi

8 Aralık 2023

Yayımlanma Tarihi

15 Aralık 2023

Gönderilme Tarihi

18 Ağustos 2023

Kabul Tarihi

20 Kasım 2023

Yayımlandığı Sayı

Yıl 2023 Cilt: 40 Sayı: 4

Kaynak Göster

APA
Gamsız, K., Korkut, A., & Kop, A. (2023). The effect of feeds containing different protein levels on growth and survival rates of European sea bass (Dicentrarchus labrax L., 1758) juveniles grown in freshwater. Ege Journal of Fisheries and Aquatic Sciences, 40(4), 292-297. https://doi.org/10.12714/egejfas.40.4.08

Cited By