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What Causes Smothering in Commercial Free-Range Laying Hens

An epidemiological study in Australian free-range farms will be conducted using farm records and a questionnaire to identify the main factors associated with the occurrence of smothering. A behavioural study will also be conducted to identify bird behaviour patterns immediately prior to and during incidents of smothering. The project aims to quantify the factors (at farm, shed and flock level) associated with smothering in Australian free range flocks.

Project date

1 Jan 2018-31 Dec 2021
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Principal investigator

Paul Hemsworth

Research organisations

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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Gut decisions: Eggs, microbiome and cognition

Previously it was thought that cognition was regulated only by the central nervous system However, there is increasing evidence demonstrating …
  • Funded by

    Australian Eggs

  • Project date

    1 Jan 2021 - 31 Dec 2021

  • Research organisation

    La Trobe University

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