{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,26]],"date-time":"2026-02-26T15:15:25Z","timestamp":1772118925994,"version":"3.50.1"},"reference-count":47,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2022,3,29]],"date-time":"2022-03-29T00:00:00Z","timestamp":1648512000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Veterinary Medicine &amp; Sci"],"published-print":{"date-parts":[[2022,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>\n                    Feeding represents 50\u201370% of the cost of production in salmon farming, higher than any other animal farm. The improvement of this percentage is challenging as the food is thrown into the fish tank, there is no quantification of the amount of food that is consumed by the fish. In consequence, it is difficult to adjust the food composition making it more nutritive or promoting food consumption by fish. In this study, to investigate food consumption, bio\u2010distribution and food residues, leucine containing\n                    <jats:sup>15<\/jats:sup>\n                    N (a stable isotope of nitrogen) was used to label the fish food. Atlantic salmon (\n                    <jats:italic>Salmo salar<\/jats:italic>\n                    ) weighing 100\u2013120\u00a0g were maintained in 30 L tanks at a density of 14\u00a0kg\/m\n                    <jats:sup>3<\/jats:sup>\n                    . Fishes were fed daily at 1% of the fish weight with pellet labelled with\n                    <jats:sup>15<\/jats:sup>\n                    <jats:italic>N<\/jats:italic>\n                    \u2010leucine. The\n                    <jats:sup>15<\/jats:sup>\n                    <jats:italic>N<\/jats:italic>\n                    incorporation was determined 14\u00a0hours after the feeding in all the fish organs. Results showed that 14\u00a0hours after the administration of a single dose of labelled food to Atlantic salmon enables the detection of the tracer in the whole organism allowing determining the food consumption. Through the analysis of nitrogen use efficiency (NUE), we showed that the trunk, pyloric caeca and head incorporate the highest level of the marker (72.7, 8.7 and 5.7%, respectively). This methodology would permit monitoring feeding to minimize food loss, improve administration methodologies or select the preferred foods for the fish, among others to reduce production costs.\n                  <\/jats:p>","DOI":"10.1002\/vms3.730","type":"journal-article","created":{"date-parts":[[2022,3,29]],"date-time":"2022-03-29T07:38:56Z","timestamp":1648539536000},"page":"1096-1103","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Labelling fish diets with\n                    <sup>15<\/sup>\n                    <i>N<\/i>\n                    \u2010Leucine for monitoring feed consumption and bio\u2010distribution in Atlantic salmon"],"prefix":"10.1002","volume":"8","author":[{"given":"Mirta","family":"Cort\u00e9s\u2010Quezada","sequence":"first","affiliation":[{"name":"Facultad de Medicina y Ciencia Universidad San Sebasti\u00e1n  Providencia Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ana Mar\u00eda","family":"Parada","sequence":"additional","affiliation":[{"name":"Departamento de Tecnolog\u00edas Nucleares Comisi\u00f3n Chilena de Energ\u00eda Nuclear  Las Condes Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ximena","family":"Videla","sequence":"additional","affiliation":[{"name":"Departamento de Tecnolog\u00edas Nucleares Comisi\u00f3n Chilena de Energ\u00eda Nuclear  Las Condes Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Juan Antonio","family":"Vald\u00e9s","sequence":"additional","affiliation":[{"name":"Facultad de Ciencias de la Vida Laboratorio de Biotecnolog\u00eda Molecular Universidad Andr\u00e9s Bello  Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sebasti\u00e1n","family":"Gonzalez\u2010Catrilelb\u00fan","sequence":"additional","affiliation":[{"name":"Facultad de Medicina y Ciencia Universidad San Sebasti\u00e1n  Providencia Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexis","family":"Asp\u00e9e","sequence":"additional","affiliation":[{"name":"Facultad de Qu\u00edmica y Biolog\u00eda Departamento de Ciencias del Ambiente Universidad de Santiago de Chile  Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adriana","family":"Nario","sequence":"additional","affiliation":[{"name":"Departamento de Tecnolog\u00edas Nucleares Comisi\u00f3n Chilena de Energ\u00eda Nuclear  Las Condes Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2143-5797","authenticated-orcid":false,"given":"Andrea","family":"Rivas\u2010Aravena","sequence":"additional","affiliation":[{"name":"Facultad de Medicina y Ciencia Universidad San Sebasti\u00e1n  Providencia Santiago Chile"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,3,29]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.aqrep.2017.10.001"},{"key":"e_1_2_11_3_1","unstructured":"Abowei J. F. N. &Ekubo A. T.(2011).Some principles and requirements in fish nutrition. 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