Discipline: Ergonomics

Animal Board Invited Review: Intrinsic hedonic value, complexity, and possibility for action as essential characteristics of a welfare-friendly environment for animals

I. Veissier, C. Terlouw, R. Botreau, V. Deiss, S. Cowie

Published in 2026

Study examining how the hedonic value of the environment determines animal welfare. Welfare depends on a balance between positive emotions, environmental complexity and opportunities for behavioral expression: these factors must be optimized (rather than maximized), since an excess or a deficiency of any one of them can be harmful to welfare, with the optimal level varying by individual.

Document Types: Scientific review

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

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Behavioral indicators of positive welfare in broilers

Jenna Boewe, Marisa Erasmus

Published in 2026

The welfare of broiler chickens now includes positive states and the expression of natural behaviors, which are assessed using behavioral indicators and promoted through environmental enrichment.

Document Types: Scientific paper

Animal categories: Poultry

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Riding with care: A review of factors that influence the welfare of the ridden horse and a case for the application of the precautionary principle in equestrian pursuits

Caleigh Copelin, Katrina Merkies

Published in 2026

Review showing that the welfare of ridden horses is dependent on many factors relating to the equipment used, the rider, and a horse's health, and that respect for these factors is essential in maintaining the social acceptability that allows equestrian sports to continue. 

Document types: Scientific documents

Animal categories: Equines

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Meat Industry Recommended Animal Handling Guidelines: A Systematic Approach to Animal Welfare at Transport and Slaughter

Meat Institute Animal Welfare Committee and Temple Grandin

Published in 2026

Good practice guide on the transport, handling and stunning of animals in the meat industry 

Document types:good practice guides

Animal categories:Cattle, Sheep, Pigs

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Animal Welfare Audit

Meat Institute Animal Welfare Committee and Temple Grandin

Published in 2026

Audit tool for the objective assessment of animal welfare in the meat industry during transport, holding, and slaughter

Document types:good practice guides

Animal categories:Cattle, Sheep, Pigs

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Perch-based enrichment and broiler growth, welfare and behaviour

B. F. Sevinç B. Yılmaz Dikmen

Published in 2026

Study showing that perch-based enrichment does not affect growth or most welfare windicators in broiler chickens, but that it reduces hock burn and slightly improves locomotion.

Document types: Scientific documents

Animal categories: Poultry

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Impact of ‘hands-free’ rational handling on operational performance and economic losses in beef cattle

Daniela Costa Cotrim Campos, Adriane Lermen Zart, Claudio Vaz Di Mambro Ribeiro

Published in 2025

Scientific study showing that a cattle-handling protocol designed to reduce stress  significantly reduces bruising and loading times. Economic losses are also lower than those for conventional handling practices. The "hands-free" handling strategy improves operational efficiency without compromising carcass quality.

Document types: Scientific documents

Animal categories: Bovines

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Aggressive behaviors in rabbits. A review

Zsolt Szendrő

Published in 2026

Scientific literature review on aggressive behavior in farmed rabbits at different stages of the production cycle and measures to reduce it. The author highlights the particular problem posed by the group housing of females in commercial farming, a practice that leads to aggression and chronic stress.

Document types: Scientific documents

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Terrestrial Animal Health Code. Section 7: Animal Welfare. Chapter 7.4: Transport of Animals by Air

WOAH

Published in 1982

Code sanitaire de l’OMSA pour les animaux terrestres pour le transport par voie maritime

Document types: Regulation/Certification

Animal categories: Cattle, Goats, Horses, Mammals, Sheep, Pigs, Poultry

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Terrestrial Animal Health Code. Section 7: Animal Welfare. Chapter 7.3: Transport of Animals by Land

WOAH

Published in 1982

Code sanitaire de l’OMSA pour les animaux terrestres pour le transport par voie maritime

Document types: Regulation/Certification

Animal categories: Cattle, Goats, Horses, Mammals, Sheep, Pigs, Poultry

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