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Egg Farming Systems Welfare Science Review

A review of the research to date on physiological and behavioural welfare indicators of hens in caged, barn and alternate systems; such as free range. The report provides a summary of the advantages, disadvantages and issues of different egg production systems.

It is clear from this review that no one housing system provides superior welfare when the two measurable welfare assessment frameworks (biological functioning and affective states) are considered. Future assessments of the relative levels of welfare provided by the predominant productions systems within the Australian Egg industry should consider both the evidence of the welfare benefits of any system and the welfare deficits of the replacement systems

Project date

1 Jul 2019
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Principal investigator

Peter Scott

Research organisations

Scolexia Pty Ltd

Project funded by


Australian Eggs

Australian Eggs is a member owned not-for-profit company providing marketing and research & development (R&D) services for the benefit of …

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  • Organisation type

    Research funding body

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