Subject: Stress

Systematic mapping review of cattle welfare research during road transportation (2015–2025)

Lily Edwards-Callaway, Davida Rimm-Kaufman, Huey Yi Loh

Published in 2026

A systematic review showing that research on cattle welfare during road transport focuses primarily on transport duration or distance, while other factors, such as environmental conditions and stocking density, remain understudied.

Document Types: Scientific review

Animal categories: Bovines

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Risk assessment: Difficult to ensure good animal welfare for exotic birds

VKM (The Norwegian Scientific Committee for Food and the Environment)

Published in 2026

VKM expert report concluding that the welfare needs of many species of parrots and toucans are hard for private aviary owners to meet, notably because of their significant need for flight, social and cognitive stiumlation, enrichment and adapted feed. Seven species are at particularly high risk of poor welfare in captivity. 

Document Types: Scientific review

Animal Categories:Birds (excluding poultry)

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Music and animal welfare: from behavioral and physiological effects to potential applications in animal husbandry

Zhu G, Wang L, Wu Z, Feng L, Shao F

Published in 2026

Review examining the mechanisms of musical perception in animals and its effects on their behavior, physiology, and welfare. It highlights potential benefits, including stress reduction, and emphasizes the value of fish as models for studying the evolutionary basis of musical perception and improving animal welfare.

Document Types: Scientific review

Animal categories: All animals

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Electrophysiologic evidence of loss of consciousness in cattle during slaughter with and without stunning: a systematic review and methodological overview

Haut SR, Parmentier T, Fisher RS, and Khalil NM

Published in 2026

A systematic review based on electrophysiological data concluded that in cattle slaughtered without stunning, loss of consciousness generally occurs rapidly, between approximately 4 and 13 seconds after the incision.

Document Types: Scientific review

Animal categories: Bovines

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Research on Cattle Feeding and Nutrition in Relation to Animal Welfare: A Bibliometric Analysis

Ana María Herrera, Emilia Ponce, Robert Emilio Mora-Luna

Published in 2026

Bibliometric analysis of 424 publications (2009–2025) highlighting a strong growth in research on the links between nutrition and cattle welfare, with a shift towards approaches that also incorporate stress, health, and productivity

Document Types: Scientific review

Animal categories: Bovines

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Transferring mice to a naturalistic environment alters their fear responses

Matthew N. Zipple, Bryson Loflin, Daniel Chang Kuo, Erin Tan, Michael J. Sheehan

Published in 2025

A study showing that anxiety observed in laboratory mice is highly dependent on their environment. Transferring them to an enriched environment that closely mimics natural conditions rapidly reduces anxious behaviors, highlighting the importance of environmental experiences in the assessment of threats and animal well-being.

Document Types: Scientific paper

Animal categories: Rodents

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Manual Catching and Transportation of Poultry with a Focus on Chickens and European Practices

Hettmannsperger, M.A., Ruhnke, I.

Published in 2026

Synthesis highlighting that the methods used to catch and handle poultry have a significant impact on their welfare and that more comprehensive and standardized assessment is required throughout the transport chain.

Document Types: Scientific review

Animal categories: Poultry

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Brushing as Environmental Enrichment in Dairy Cattle: Effects of Different Brushing Modalities on Behavior, Health, and Production

Maciel-Torres, S.P.; Ruiz-González, A.; Orzuna-Orzuna, J.F.; Arenas-Báez, P.; Garay-Martínez, J.R.; Granados-Rivera, L.D.

Published in 2026

Study showing that the use of brushes for dairy cows improves their welfare and can assist in health monitoring. The effects on milk production vary.

Document Types: Scientific review

Animal categories: Bovines

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Exploring the relationship between whole carcass condemnations and farm animal welfare: A rapid scoping review

Christine Kuo, Emma G. Gardner, Murray Gillies, Marianne I. Parent

Published in 2026

Literature review showing that data on carcass rejection at abattoirs can serve as an indirect indicator of animal welfare, but studies remain largely European and focus primarily on poultry. Their main focus is on links between animal health status on farms and carcass rejection, whereas research on other welfare factors (diet, housing, behavior, transport) is limited.

Document Types: Scientific review

Animal categories: Bovines, Caprines, Ovines, Porcines, Poultry

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Existing Soundscapes and the Impact of Noise on the Welfare of Farmed Salmonids: A Review

Kathy Overton, Tim Dempster, Marco A. Vindas, Frode Oppedal, Luke T. Barrett

Published in 2026

Review of the limited number of studies on hearing in wild and farmed salmonids, with recommendations on steps towards ascertaining and mitigating the impact of the acoustic environment on the welfare of farmed salmonids.

Document Types: Scientific review

Animal categories: Fish

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