Estimating the effect of shade on heat stress in New Zealand dairy cows using two published models

Bloomberg, Mark; Bywater, T.

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Estimating the effect of shade on heat stress in New Zealand dairy cows using two published models

Type: Conference Contribution - Published (Conference Paper)

Permalink: https://hdl.handle.net/10182/3633

Originally published: 2007-12 by Modelling and Simulation Society of Australia and New Zealand Inc and available at http://hdl.handle.net/10182/3633

Keywords: heat stress; dairy cows; thermal balance; heat load index (HLI); HLI

Fields of Research: 0702 Animal Production

Abstract:

The objective of this study is to predict how much tree shade reduces heat stress in dairy cows using two published models which predict when heat stress will occur in dairy cows. The reduced solar radiation incident on a dairy cow in shaded conditions compared with the open should result in the models predicting a lower level of heat stress for that cow.

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