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Published online by Cambridge University Press: 24 November 2017
Animal behaviour is increasingly seen as a useful tool in animal production. However, behavioural observations are time costly, and it is difficult to ensure precision and repeatability of measurement.
An alternative to observation is to use electronics to automatically record behaviour and two such applications are illustrated:
The first system developed at Edinburgh records drinker and chain-related activity, two common abnormal behaviours in pregnant sows. Water flow meters record drinker use. Chain behaviour is monitored by supplying each sow with a vertically hanging chain to which is attached piezo-electric ‘wire’. Electrical activity is generated from the flow meter or the piezo-electric wire as the sow manipulates the drinker or the chain, and is read by a micro-computer at 60 seconds intervals. The system estimates water use and circadian patterns of drinker and chain activity for 16 sows. Applications include recording the development of these two behaviours in response to variations in variables such as feeding regime.