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October 7, 2025The Veterinary JournalOpen Access

Stunning techniques and climatic influence in rainbow trout: Sensibility state, welfare and recovery ability

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Authors

RGRoberto González-GarozACAlmudena CabezasAVAndrea Martínez Villalba

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Overview

Evaluation reveals stunning methods alter stress response and recovery ability in rainbow trout under varying climatic conditions.

Key Points

  • Rainbow trout showed lower recovery rates under summer conditions after electric stunning, indicating potential irreversible effects.
  • Blood cortisol levels were higher in the ICE group, reflecting a stronger stress response compared to electrically stunned fish.
  • Stunning techniques included ice-water immersion and electric shock treatments, assessed under different seasonal conditions.
  • Findings highlight the need to adjust stunning techniques based on climatic variations to enhance fish welfare.

Cite This Study

González-Garoz et al. (2025) studied this question.

synapsesocial.com/papers/68e4ef18d9ba39bb23447ae9https://doi.org/10.1016/j.tvjl.2025.106459
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