Quantifying Pain in Laying Hens: A Blueprint for the Comparative Analysis of Welfare in Animals

Quantifying Pain in Laying Hens: A Blueprint for the Comparative Analysis of Welfare in Animals

By Cynthia Schuck-Paim and Wladimir J. Alonso

Quantifying Pain in Laying Hens: A Blueprint for the Comparative Analysis of Welfare in Animals PDF. To effectively improve the lives of the animals under human care, a clear understanding of the impact of living conditions and practices on animal welfare is essential to establish which policies and interventions should be ascribed priority. This new book is an effort in this direction. It presents an analytical framework designed for the description and quantification of the negative affective experiences of animals, which are operationally referred to as ‘pain’ (physical and psychological). The book is the first road-test of the method, applying it to conditions that impact negatively the welfare of egg laying hens.

Topics include the impact of keel bone fractures, injurious pecking, deprivation of motivated behaviors, reproductive diseases, and the cumulative pain endured in different housing systems. It is our hope that the findings emerging from this endeavor contribute towards a more comprehensive understanding of the impact of decisions on the lives of animals, and a platform for debate and collaboration.

Table of Contents

Chapter 1. The Comparative Measurement of Animal Welfare: the Cumulative Pain Framework.
Chapter 2. The Life of Commercial Laying Hens
Chapter 3. The Burden of Pain due to Keel Bone Fractures in Laying Hens
Chapter 4. Welfare Implications of Injurious Pecking in Laying Hens
Chapter 5. Egg Peritonitis Syndrome, a Painful and Prevalent Disease in Commercial Layers
Chapter 6. The Burden of Psychological Pain in Laying Hens: behavioral deprivation
Chapter 7. The Last Day of a Hen’s Life: depopulation and transport
Chapter 8. Prevalence of Welfare Harms affecting Commercial Layers in Different Housing Systems
Chapter 9. Impact of the Transition from Caged to Cage-free Housing on the Welfare of Laying Hens
Acknowledgments

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