The degree of animal reaction varied with species of animal, age and individual. The character of the behaviour reactions observed that domestic animals experience from excessive noise is disturbing their well being (McAdie et al., 1993; McGlone and Swanson, 2010). Animal activity may be increased at background noise. Particular states of emotion may thus be accompanied by specific behaviours. Animals were also reported to tend to be more active in the morning periods than in the afternoon periods tested, which might be related to the arrival of staff and beginning of the working day with a general increase in noise levels (Castelhano-Carlos and Baumans, 2009).