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Prolonged emersion of Solea senegalensis, Kaup 1858, for its application in transport

AutorMartín Montero, Ignacio; Gutiérrez, José Ramón; Martos-Sitcha, Juan Antonio ; Rasines, Inmaculada; Rodríguez, Cristina; Mancera, Juan Miguel; Chereguini, Olvido
Palabras claveSolea senegalensis
Fecha de publicaciónjul-2017
CitaciónAquaculture Research 48(7): 3393-3400 (2017)
ResumenThis study aimed to determine the maximum time of emersion of Senegalese sole (Solea senegalensis) specimens to form the basis for a dry sole transport procedure. For this purpose, 56 specimens (922.33 ± 29.52 g body weight) were individually placed in polystyrene boxes on a wet cloth, maintaining constant temperature (15°C) during emersion trial. Specimens (n = 7 per group) were sampled for plasma, and mortality was monitored at different points (0, 2, 6, 12, 20, 28, 36 and 44 h of emersion), and several stress (cortisol, glucose and lactate) and metabolic (triglycerides, proteins and amino acids) parameters were assessed. After sampling, each experimental group was placed in recovery tanks for the assessment of delayed mortality and feeding performance after emersion trial. Transport periods longer than 28 h produced high stress level indicated by (i) significant increase in circulating cortisol and lactate and (ii) glucose reserves mobilization. These alterations originated physiological problems during the emersion trial that induced mortality as well as problems for recovering correct feeding performance of specimens. These results suggested that at 15°C for S. senegalensis specimens (around 900 g body weight), a waterless transport is possible without direct or delayed mortality up to 28 h.
Versión del editorhttps://doi.org/10.1111/are.13166
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