Welfare of laying hens

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This scientific opinion focuses on the welfare of laying hens, pullets and layer breeders on farm. The most relevant husbandry systems used in Europe are described. For each system, highly relevant welfare consequences were identified, as well as related animal-based measures (ABMs), and hazards leading to the welfare consequences. Moreover, measures to prevent or correct the hazards and/or mitigate the welfare consequences are recommended. The highly relevant welfare consequences based on severity, duration and frequency of occurrence are bone lesions, group stress, inability to avoid unwanted sexual behaviour, inability to perform comfort behaviour, inability to perform exploratory or foraging behaviour, isolation stress, predation stress, resting problems, restriction of movement, skin disorders and soft tissue lesions and integument damage. The welfare consequences of non-cage compared to cage systems for laying hens are described and minimum enclosure characteristics are described for laying hens, pullets and layer breeders. Beak trimming, which causes negative welfare consequences and is conducted to reduce the prevalence and severity of pecking, is described as well as the risks associated with rearing of non-beak-trimmed flocks. Alternatives to reduce sharpness of the beak without trimming are suggested. Finally, total mortality, plumage damage, wounds, keel bone fractures and carcass condemnations are the most promising ABMs for collection at slaughterhouses to monitor the level of laying hen welfare on farm. Main recommendations include housing all birds in non-cage systems with easily accessible, elevated platforms and provision of dry and friable litter and access to a covered veranda. It is further recommended to implement protocols to define welfare trait information to encourage progress in genetic selection, implement measures to prevent injurious pecking, rear pullets with dark brooders and reduce male aggression in layer breeders.

5 thoughts on

Welfare of laying hens

  • themosaurus

    Awesome overview for people getting started with online video. Your readers might be interesting in my book, Get Seen, which covers a lot of these topics too and goes into greater detail proving step by step guides. I was in NYC when Jacob Lodwick introduced Vimeo at vloggercon 1/2005. Vimeo is movie spelled sideways.

  • Stephen Curry

    this was right up my alley as I want to expand more on my site into vlogging and sharing video on my site. i\’m excited about the potential as I log in more and more videos on my youtube site.

    thanks you

    • themosaurus

      Hi Stephen, you are exactly the kind of audience I had in mind when writing this piece. Im glad you enjoyed it 🙂

  • Andre Dubus

    I really love this post! Great heads up about the Genki plugin. Social proofing with a little automation goes a long way!

    • themosaurus

      Hey Andre, awesome dramatic lighting in your pic 🙂 very theatrical lol thnx for the kind words. Im glad you found Genki useful, I always thought a plug-in like that should exist…turns out…it do lol

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About Animalia

Animalia stands as the primary knowledge and development centre for meat and egg production in Norway. It is an industry-neutral organisation that provides Norwegian farmers and the entire Norwegian meat and egg industry with knowledge and expertise through livestock recording systems and animal health services, mission-critical technical systems, research and development projects, e-learning and training, communication, and other knowledge dissemination initiatives (more).

About Cerebrus Advies

Cerebrus provides a bridge between cutting-edge research and practical application. It connects academic insights in animal welfare with real-world solutions, helping clients across the agri-food sector (including food businesses, NGOs, and policymakers) transform research into action. Cerebrus’ expert consultancy empowers clients to understand, implement, and leverage the value of research, driving progress and promoting best practices in animal welfare throughout the food supply chain (more).

About Chronos Sustainability

works with some of the world’s largest companies on managing business risks and opportunities related to social responsibility, environmental sustainability, and related issues, with a particular specialisation in farm animal welfare. Chronos has strong relationships with specialist NGOs, technical experts and other organizations active on these issues. Across its networks, Chronos provides expert guidance and specialist knowledge and skills to developing robust and credible management frameworks and data analyses that are widely respected by corporate, NGO and investor organizations (more).