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Horse welfare: A joint assessment of four categories of behavioural indicators using the AWIN protocol, scan sampling and surveys

Published online by Cambridge University Press:  01 January 2023

A Ruet*
INRAe, UMR 85 PRC, CNRS, UMR 7247, IFCE, University of Tours, 37380, Nouzilly, France
C Arnould
INRAe, UMR 85 PRC, CNRS, UMR 7247, IFCE, University of Tours, 37380, Nouzilly, France
J Lemarchand
INRAe, UMR 85 PRC, CNRS, UMR 7247, IFCE, University of Tours, 37380, Nouzilly, France
C Parias
INRAe, UMR 85 PRC, CNRS, UMR 7247, IFCE, University of Tours, 37380, Nouzilly, France
N Mach
INRAe, UMR 1313 GABI, AgroParisTech, University of Paris-Saclay, 78352, Jouy-en-Josas, France
M-P Moisan
University of Bordeaux, INRAe, Bordeaux INP, NutriNeuro, UMR 1286, 33076 Bordeaux, France
A Foury
University of Bordeaux, INRAe, Bordeaux INP, NutriNeuro, UMR 1286, 33076 Bordeaux, France
C Briant
INRAe, UMR 85 PRC, CNRS, UMR 7247, IFCE, University of Tours, 37380, Nouzilly, France
L Lansade
INRAe, UMR 85 PRC, CNRS, UMR 7247, IFCE, University of Tours, 37380, Nouzilly, France
* Contact for correspondence:
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Domesticated horses (Equus caballus) can be exposed to a compromised welfare state and detecting a deterioration in welfare is essential to modify the animals’ living conditions appropriately. This study focused on four categories of behavioural indicators, as markers of poor welfare: stereotypies, aggressiveness towards humans, unresponsiveness to the environment and hypervigilance. In the scientific literature, at least three assessment methods can be used to evaluate them: the Animal Welfare Indicators (AWIN) protocol, behavioural observations using scans and surveys. The question remains as to whether all these three methods allow an effective assessment of the four categories of behavioural indicators. To address this issue, the repeatability at a three-month interval and convergent validity of each measure (correlations between methods) were investigated on 202 horses housed in loose boxes. Overall, the repeatability and convergent validity were limited, highlighting the difficulty in assessing these indicators in horses. However, stereotypies and aggressiveness measures showed higher repeatability and convergent validity than those of unresponsiveness to the environment and hypervigilance. Behavioural observations using scans enabled the four categories of behavioural indicators to be detected more effectively. Suggestions of improvements are proposed for one-off measures such as those performed with the AWIN protocol. Regardless of the assessment method, very limited correlations were observed between the four categories of behavioural indicators, suggesting that they should all be included in a set of indicators used to assess the welfare state of horses, in conjunction with physiological and health measures.

Research Article
© 2022 Universities Federation for Animal Welfare


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