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Morphological malformations of the sea bass (Dicentrarchus labrax): Comparison between hormone injected and non-injected fish
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S Tan   , M Bulut , S Bilen * |
| , sbilen@kastamonu.edu.tr |
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Abstract: (7062 Views) |
| In this study, fertilization, hatching and deformation rate of the eggs, and larvae obtained from hormone injected (HI) and non-injected broodstock (NHI), were determined. In the experiment, no differences were observed in the groups’ fertilization rates (p>0.05). Hatching rate was found higher in the HI group (p<0.05). During the experiment, malformations such as spinal fluid accumulation, saddleback, air-bladder deformation and general body deformations were observed in both groups. For the NHI group, saddleback rate was found 5.13±0.55 %, air-bladder deformation rate was found 1.43±0.13%, spinal fluid accumulation was found 2.33±1.33% and general body deformation rate was found 3.76±0.23 % (p<0.05). As a result, it was determined that the deformation rate increased with hormone injection (p<0.05). |
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| Keywords: Sea bass, Egg, Embryonic development, Expansion rates, Deformation |
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Full-Text [PDF 258 kb]
(2622 Downloads)
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Type of Study: Orginal research papers |
Subject:
Biology & physiology
Received: 2015/04/14 | Accepted: 2015/04/14 | Published: 2015/04/14
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