{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T02:25:57Z","timestamp":1760149557840,"version":"build-2065373602"},"reference-count":48,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2023,8,27]],"date-time":"2023-08-27T00:00:00Z","timestamp":1693094400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"DIVERSIAQUA II project","award":["MAR-02.01.01-FEAMP-0175"],"award-info":[{"award-number":["MAR-02.01.01-FEAMP-0175"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JMSE"],"abstract":"<jats:p>Water temperature variations affect fish growth and health, often leading to huge losses in fish production, especially during the cold season. To alleviate this constraint, fish farmers can use a water heating system driven by solar energy during daytime. This action will cause a water temperature drop during the night period, making it important to understand the physiological response of fish exposed to the resulting day\/night temperature oscillations. To investigate this scenario, gilthead seabream juveniles (96.3 \u00b1 1.0 g) were exposed to different thermal regimes for 67 days: Tconstant and Tdaily cycles. The latter group was exposed to daily water temperature oscillations between ~19 and 13 \u00b0C compared with a constant temperature of ~19 \u00b0C for the other experimental group. Temperature fluctuations compromised fish growth efficiency and reduced the proportion of fatty acids in several tissues, with implications for the whole proximate composition. Moreover, temperature oscillations influenced several blood parameters. These results favor the usage of a constant water temperature of ~19 \u00b0C for optimal gilthead seabream juvenile production instead of a day\/night water temperature oscillating regime. Nevertheless, the type of energy used to warm the water will depend on the operational conditions and\/or business strategy of fish farmers.<\/jats:p>","DOI":"10.3390\/jmse11091687","type":"journal-article","created":{"date-parts":[[2023,8,28]],"date-time":"2023-08-28T02:23:25Z","timestamp":1693189405000},"page":"1687","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Effect of Long-Term Day\/Night Temperature Oscillations on the Overall Performance of Gilthead Seabream (Sparus aurata) Juveniles"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6385-9117","authenticated-orcid":false,"given":"Ana Catarina","family":"Matias","sequence":"first","affiliation":[{"name":"EPPO\u2014Aquaculture Research Station, IPMA\u2014Portuguese Institute for Sea and Atmosphere, Av. do Parque Natural da Ria Formosa s\/n, 8700-194 Olh\u00e3o, Portugal"}]},{"given":"Ravi Luna","family":"Ara\u00fajo","sequence":"additional","affiliation":[{"name":"EPPO\u2014Aquaculture Research Station, IPMA\u2014Portuguese Institute for Sea and Atmosphere, Av. do Parque Natural da Ria Formosa s\/n, 8700-194 Olh\u00e3o, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0110-8860","authenticated-orcid":false,"given":"Laura","family":"Ribeiro","sequence":"additional","affiliation":[{"name":"EPPO\u2014Aquaculture Research Station, IPMA\u2014Portuguese Institute for Sea and Atmosphere, Av. do Parque Natural da Ria Formosa s\/n, 8700-194 Olh\u00e3o, Portugal"}]},{"given":"Narcisa Maria","family":"Bandarra","sequence":"additional","affiliation":[{"name":"DivAV\u2014Aquaculture, Upgrading and Bioprospection Division, IPMA\u2014Portuguese Institute for Sea and Atmosphere, Av. Alfredo Magalh\u00e3es Ramalho 6, 1495-165 Alg\u00e9s, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6316-4676","authenticated-orcid":false,"given":"Amparo","family":"Gon\u00e7alves","sequence":"additional","affiliation":[{"name":"DivAV\u2014Aquaculture, Upgrading and Bioprospection Division, IPMA\u2014Portuguese Institute for Sea and Atmosphere, Av. Alfredo Magalh\u00e3es Ramalho 6, 1495-165 Alg\u00e9s, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6746-764X","authenticated-orcid":false,"given":"Pedro","family":"Pous\u00e3o-Ferreira","sequence":"additional","affiliation":[{"name":"EPPO\u2014Aquaculture Research Station, IPMA\u2014Portuguese Institute for Sea and Atmosphere, Av. do Parque Natural da Ria Formosa s\/n, 8700-194 Olh\u00e3o, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2023,8,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"37","DOI":"10.1006\/fsim.1997.0120","article-title":"Winter syndrome in the gilthead sea bream Sparus aurata. 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