Subject: Emotion

Effects of music enrichment on the welfare of small ornamental fishes

Tianyu Niu, Bochun Xiang, Puyi Huang, Xigui Yang, Longhui Chai

Published in 2025

Scientific article demonstrating that certain musical styles and tempi, notably slow guzheng (Chinese zither) music, reduce stress and cortisol levels in aquarium fish. Music can produce positive or negative behavior, depending on the species and the tempo. Slow guzheng music was found to be the most soothing of the styles in the experiment, especially for guppies.

Document Types: Scientific paper

Animal categories: Fish

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Welfare of American mink, red and Arctic foxes, raccoon dog and chinchilla kept for fur production - EFSA

EFSA Panel on Animal Health and Welfare (AHAW)

Published in 2025

Recent scientific opinion from the EFSA, identifying the main welfare risks to animals bred for their fur (mink, foxes, raccoon dogs, chinchillas), which are mainly associated with lives spent in cages without enrichment, resulting in restricted movement, stress and behavioral disorders.

Document Types: Opinions

Animal categories: Mammals

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The evaluation of animal welfare indicators based on transport duration and lighting differences in the slaughter of broiler chickens

Siska W., Latif, H., Purnawarman T

Published in 2025

Study showing that blue lighting in the pre-slaughter room reduces stress (corticosterone) in broilers, shortens bleeding time and maintains carcass quality. The authors recommend the use of blue lighting in poultry abattoirs.

Document Types: Scientific paper

Animal categories: Poultry

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Chickens perceive humans as social buffers and may follow human-given cues: A pilot study

Vitor Hugo Bessa Ferreira, Elise Calesse, Lucille Dumontier, Fabien Cornilleau, Julie Lemarchand, Auriane Foreau, Maxime Quentin, Léa Lansade, Céline Tallet, Xavier Boivin, Ludovic Calandreau

Published in 2025

Study showing that chickens, especially those with positive human interactions, can perceive humans in a beneficial way and associate them with rewarding experiences. It also highlights the importance of taking racial specificities into account to adapt human-animal interactions and improve poultry welfare.

Document Types: Scientific paper

Animal categories: Poultry

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Quantifying the welfare impact of air asphyxia in rainbow trout slaughter for policy and practice

C. Schuck-Paim, W.J. Alonso, P.A. Pereira, J.L. Saraiva, M. Cerqueira, C. Chiang & L.U. Sneddon

Published in 2025

Study using the Welfare Footprint Framework to quantify the effectiveness of slaughter practices used on trout, by measuring the time spent by the fish in negative affective states. The study shows that electrical or percussive stunning can significantly reduce pain, providing evidence-grounded metrics to guide regulatory decisions.

Document Types: Scientific paper

Animal categories: Fish

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Decoding vocal indicators of stress in laying hens: A CNN-MFCC deep learning framework

S. Neethirajan

Published in 2025

Study showing that artificial intelligence, making use of a CNN model combined with MFCC coefficients, can identify vocal responses to stress in laying hens exposed to realistic stimuli with 94% accuracy. Younger birds were found to be more vocally reactive, highlighting the importance of age as a factor in emotional reactivity.

Document Types: Scientific paper

Animal categories: Poultry

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Attenuation of Stress Responses to Human Handling Through Habituation in Goats

Erukulla, T. T., Batchu, P., Gurrapu, P., Shaik, A., Terrill, T. H., & Kannan, G

Published in 2025

Study showing the importance of habituation in reducing the stress generated by human handling in goats.

Document Types: Scientific paper

Animal categories: Caprines

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Exploring the induction and measurement of positive affective state in equines through a personality-centred lens

Loftus, L., Newman, A., Leach, M., Asher, L.

Published in 2025

Article highlighting the importance of taking the individual animal's personality into account when measuring positive affect in equines.

Document Types: Scientific paper

Animal categories: Equines

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Measuring minds: Understanding the mental states of dairy cattle in different management conditions

Heather W. Neave

Published in 2025

Review of a symposium on the  assessment of how the mental states of dairy cattle (positive emotions and cognitive functions in particular) are affected by management practices. It highlights the behavioral, physiological and cognitive indicators available and the potential of emerging automated on-farm monitoring technologies.

Document Types: Scientific review

Animal categories: Bovines

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Characterisation of facial expressions and behaviours of horses in response to positive and negative emotional anticipation using network analysis

Romane Phelipon, Léa Bertrand, Plotine Jardat, Fabrice Reigner, Kate Lewis, Jérôme Micheletta, Léa Lansade

Published in 2025

Study using network analysis to identify specific behaviors and facial expressions in horses based on their anticipation of a positive or negative experience. These indicators can be used to better assess the emotional state and welfare of equines.

Document Types: Scientific paper

Animal categories: Equines

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