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Dairy Up project 2d: Unlocking the potential of the cow - heat stress and intensive herds

Heat stress is a major concern on New South Wales dairy farms. Confined systems have the ability to manage and control factors (eg temperature) better than pasture based systems. This project will explore the differences in performance and response to environmental change between intensively housed or extensively managed herds: What is the variance in heat stress responses among dairy cattle within a herd and does facility design reduce these effects. What are the mechanisms (behaviour, physiological and metabolic) associated with this variance? What are the key measures that can be taken to predict responses to heat stress? Can these measures be used to optimise interventions/genetic selection?

Project date

1 Apr 2021-30 Dec 2024

Principal investigator

Ass. Prof Ian Lean

Research organisations

The University of Sydney (USYD)

Project led by

Multiple industries
Alternative protein Dairy Other rural industries

Dairy Australia

Dairy Australia is the Australian dairy industry‚Äôs service organisation. Our purpose is to provide services that collectively benefit and …

Multiple industries
Alternative protein Dairy Other rural industries
  • Location


  • Organisation type

    Research funding body

Logo for Dairy Australia

Focus areas



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