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Article

Effects of pen floor and class of live weight on behavioural and clinical parameters of beef cattle

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Pages 658-660 | Published online: 07 Mar 2016
 

Abstract

The study compared behaviour and clinical parameters of beef cattle housed on two different types of floor (fully slatted vs. deep litter) considering animals belonging to 2 live weight classes (less vs. more than 350 kg). The assessment of behavioural and clinical parameters was carried out in 20 intensive farms, all rearing imported bulls. Floor type had no effect on cattle behaviour except for the duration of the lying down sequence, which lasted more for bulls kept on slats. Slatted floor increased also the likelihood of occurrence of hair and skin lesions and lameness. On the other hand, bulls cleanliness was more likely to be impaired on bedded floor. Regarding the class of live weight, behavioural observation showed lighter animals performing more antagonistic interactions, while horning resulted more frequent in heavier bulls. Avoidance distance test indicated that bulls >350 kg were more fearful of humans. About health status, light animals were more affected by respiratory disease and hairless patches, likely because they are more sensitive to the stressful situations imposed by their transfer and adaptation to the new housing environment of the fattening unit. The risk of skin lesions and dirtiness increased instead in heavier bulls.

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