Subject: Pain

Rapid loss of consciousness in cattle following nonstun slaughter: evidence from a systematic review

Hascalovici JR, Schipper HM, Regenstein JM, Rosen SD, Zivotofsky A, St-Jean G, Freilich S, Morrison TJ, Rabkin SW, Haut S.

Published in 2025

Systematic review analyzing 15 studies on slaughter without stunning in cattle. According to four studies considered to be of good quality, cattle generally lose consciousness in less than 10 seconds, provided that slaughter without stunning is carried out correctly and under optimal conditions.

Document Types: Scientific review

Animal categories: Bovines

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Animal welfare experts renew call on UK government to ban CO2 for pig stunning

Sam Baker

Published in 2025

Article reporting that a British committee of animal welfare experts is urging the pig industry to ban the use of high-concentration CO2 to stun and kill pigs. The experts recommend inert gases such as argon, nitrogen or helium, which cause less pain.

Document Types: Opinions

Animal categories: Porcines

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Impacts of Reduced Stocking Density on Broiler Welfare During Transport: Evidence from a Hungarian Study Under Moderate Climatic Conditions

László Szőllősi, Dániel Fróna, Laura Mihály-Karnai, Attila Csorbai

Published in 2025

Hungarian study showing that the reduction in  the transport density of broiler chickens recommended by the EFSA to improve their welfare can nevertheless result in higher mortality, and more injuries and condemned carcasses. The results suggest that increasing the space allowance does not necessarily improve welfare under moderate temperature conditions and that further research is required.

Document Types: Scientific paper

Animal categories: Poultry

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Main Husbandry Practices and Health Conditions That Affect Welfare in Calves: A Narrative Review

Eva Mainau, Laurent Goby, Xavier Manteca

Published in 2025

Review summarizing current knowledge on farming practices that affect calf welfare, from birth to departure from the farm, highlighting the importance of colostrum, feed, housing and pain management.

Document Types: Scientific review

Animal categories: Bovines

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Souffrance à Vendre - Shrimp welfare in European supermarkets

ICAW (International Council for Animal Welfare)

Published in 2025

Report on the growing awareness of the need to protect shrimp welfare  in Europe, responding to both ethical questions and growing consumer demand, and supported by the scientific recognition of this crustacean's sentience. Progress is being made, with several distributors abandoning the use of eyestalk ablation and adopting electric stunning before slaughter.

Document Types: Technical review

Animal categories:Crustaceans

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Productive and welfare parameters in trimmed laying hens: A systematic review-meta-analysis

Henrique Sonda Gallina, Maria Eugênia Andrighetto Canozzi, Pietra Viertel Molinari, Juahil Martins de Oliveira Júnior, Ivan Bianchi, Fabiana Moreira, Débora Cristina Olsson, Paula Gabriela da Silva Pires, Javier Sanchez, Vanessa Peripolli

Published in 2025

Meta-analysis comparing the effects on laying hens of beak trimming with a hot blade or  infrared radiation. The infrared method would appear to be a less invasive option, but further studies are needed to confirm this finding.

Document Types: Scientific review

Animal categories: Poultry

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Blueprint for research to detect loss of consciousness and/or sensibility of fish at slaughter

Saraiva, J., Brijs, J., Cabrera-Álvarez, M. J., Arechavala-Lopez, P., & Gräns, A.

Published in 2024

Article highlighting the urgent need to develop more humane slaughter methods in aquaculture, as current practices (asphyxiation, refrigeration, gas) result in prolonged suffering for fish.

Document Types: Scientific review

Animal categories: Fish

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