Samuel C. Woolley

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Physiological parameters were examined in the hen in response to the induction of tonic immobility (TI). The induction of TI was associated with EEG arousal, low shank temperature and elevated heart rate. However, shortly after the adoption of TI, the EEG showed a predominantly slow-wave deactivated pattern, muscle tone fell and sympathetic nervous activity(More)
Physiological and behavioural responses of adult hens and chicks were monitored in atmospheric and increasingly hypoxic conditions to investigate whether anoxic killing was a suitable alternative method for use in the slaughter industry. All birds were placed in a perspex box for easy observation and nitrogen gas was slowly administered when subjecting(More)
The failure of commercial pre-slaughter electrical stunning to stun effectively all birds may be, in part, a result of the current following slightly different paths through the tissues of different birds. Resistivity can be used to predict current pathways, and methods are presented for determining the resistivity of a tissue in freshly-killed or(More)
1. Physiological and behavioural parameters were examined in the hen in response to a noxious and non-noxious stimulus. 2. Two distinct patterns emerged depending on the type of stimulus (noxious----crouching, non-noxious----wingflapping). 3. The responses seen in the hen to the two different types of stimuli appear to be similar to those occurring in(More)
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