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Analysis of institutional authors

De La Llave-Propin, ACorresponding AuthorVillarroel, MAuthor

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April 11, 2024
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Environmental enrichment improves growth and fillet quality in rainbow trout

Publicated to: JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE. 104 (6): 3487-3497 - 2024-04-01 104(6), DOI: 10.1002/jsfa.13234

Authors:

De la Llave-Propín, A; Villalba, AM; Villarroel, M; Pérez, C; de Chávarri, EG; Díaz, MT; Cabezas, A; Garoz, RG; De la Fuente, J; Bermejo-Poza, R
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Affiliations

Univ Complutense Madrid, Fac Vet, Dept Fisiol Anim - Author
Univ Complutense Madrid, Fac Vet, Dept Prod Anim - Author
Univ Politecn Madrid, CEIGRAM ETSIAAB - Author
Univ Politecn Madrid, CEIGRAM ETSIAAB, Ave Complutense 3 - Author
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Abstract

BACKGROUNDSome environmental enrichment methods, such as occupational enrichment (OE), can improve fish growth, but little is known about its effects on fillet quality. In this study, we evaluated the effects of OE using underwater currents on different aspects of fillet quality and muscle metabolism in rainbow trout (Oncorhynchus mykiss), before and after a handling procedure (fasting). The trout were placed in groups of 30 in separate tanks in three treatments for 30 days: no artificial currents (CON), randomly fired underwater currents (RFC), and continuous underwater currents (CUC). Additionally, half of the individuals in each treatment were fasted (5 days, 45.2 degrees C days).RESULTSSlaughter weight, condition factor, and relative growth were lower in CON fish, indicating a positive effect of OE on growth. Rigor mortis, muscle pH, and muscle glycogen levels were similar among treatments, indicating no effect of OE on classical measures of fillet quality. However, significant differences were found regarding fillet colour and muscle enzymes. The fillets of RFC fish were more salmon-pink in colour, which is favoured by consumers. Also, activity levels of pyruvate kinase and glycogen phosphorylase in muscle were significantly higher in CUC fish, probably due to increased energy demands, as pumps were on continually in that treatment.CONCLUSIONOverall, RFC fish seemed to have received enough stimulation to improve growth while not being excessive in terms of exhausting the animals (avoiding negative effects on muscle metabolism), whereas OE may have provided a hormetic effect, allowing fish to better adjust to fasting. (c) 2023 Society of Chemical Industry.
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Keywords

AnimalsEnvironmental enrichmentFillet qualityFin conditionFood-deprivationHormesisMetabolismMuscle glycogenOncorhynchus mykissOncorhynchus-mykissPerformanceRainbow troutResponsesRigor mortisSeafoodSlaughterStressUnderwater currents

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 18/94, thus managing to position itself as a Q1 (Primer Cuartil), in the category Agriculture, Multidisciplinary.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-04-27:

  • WoS: 2
  • Scopus: 2
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-27:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 3.

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 8.
  • The number of mentions in news outlets: 1 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/86983/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 165
  • Downloads: 4
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Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (DE LA LLAVE PROPIN, ALVARO) .

the author responsible for correspondence tasks has been DE LA LLAVE PROPIN, ALVARO.

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