caa a22 4500 605514348 CHVBK 20210128100704.0 cr unu---uuuuu 210128e20151201xx s 000 0 eng 10.1007/s00360-015-0933-5 doi (NATIONALLICENCE)springer-10.1007/s00360-015-0933-5 Growth-promoting effects of sustained swimming in fingerlings of gilthead sea bream ( Sparus aurata L.) [Elektronische Daten] [Josefina Blasco, A. Moya, A. Millán-Cubillo, E. Vélez, E. Capilla, J. Pérez-Sánchez, J. Gutiérrez, J. Fernández- Borrás] Fish growth is strongly influenced by environmental and nutritional factors and changing culture conditions can help optimize it. The importance of early-life experience on the muscle phenotype later in life is well known. Here, we study the effects of 5weeks of moderate and sustained swimming activity (5BLs−1) in gilthead sea bream during early development. We analysed growth and body indexes, plasma IGF-I and GH levels, feed conversion, composition [proximate and isotopic (15N/13C)] and metabolic key enzymes (COX, CS, LDH, HOAD, HK, ALAT, ASAT) of white muscle. Moderate and continuous exercise in fingerlings of gilthead sea bream increased plasma IGF-I, whereas it reduced plasma GH. Under these conditions, growth rate improved without any modification to feed intake through an increase in muscle mass and a reduction in mesenteric fat deposits. There were no changes in the content and turnover of muscle proteins and lipid reserves. Glycogen stores were maintained, but glycogen turnover was higher in white muscle of exercised fish. A lower LDH/CS ratio demonstrated an improvement in the aerobic capacity of white muscle, while a reduction in the COX/CS ratio possibly indicated a functional adaptation of mitochondria to adjust to the tissue-specific energy demand and metabolic fuel availability in exercised fish. We discuss the synergistic effects of dietary nutrients and sustained exercise on the different mitochondrial responses. Springer-Verlag Berlin Heidelberg, 2015 Exercise nationallicence White muscle nationallicence δ13C/δ15N nationallicence IGF-I/GH nationallicence RNA/DNA nationallicence COX/CS nationallicence Blasco Josefina Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut Moya A. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut Millán-Cubillo A. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut Vélez E. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut Capilla E. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut Pérez-Sánchez J. Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Castellón, Spain aut Gutiérrez J. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut Fernández- Borrás J. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut Journal of Comparative Physiology B Springer Berlin Heidelberg 185/8(2015-12-01), 859-868 0174-1578 185:8<859 2015 185 360 https://doi.org/10.1007/s00360-015-0933-5 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00360-015-0933-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Blasco Josefina Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut NATIONALLICENCE 700 1- Moya A. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut NATIONALLICENCE 700 1- Millán-Cubillo A. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut NATIONALLICENCE 700 1- Vélez E. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut NATIONALLICENCE 700 1- Capilla E. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut NATIONALLICENCE 700 1- Pérez-Sánchez J. Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Castellón, Spain aut NATIONALLICENCE 700 1- Gutiérrez J. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut NATIONALLICENCE 700 1- Fernández- Borrás J. Departament de Fisiologia i Immunologia, Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal, 643, 08028, Barcelona, Spain aut NATIONALLICENCE 773 0- Journal of Comparative Physiology B Springer Berlin Heidelberg 185/8(2015-12-01), 859-868 0174-1578 185:8<859 2015 185 360