| Summary: | This PhD investigated the development and prediction of tail-biting outbreaks, the effect of straw provision on their occurrence, and why only some pigs bite and others get bitten. A longitudinal study followed over 700 non-tail-docked pigs, housed in groups of three litters on solid floors, from birth to slaughter on an indoor commercial farm. Six replicates of four treatments (No Straw, Straw in Finishing, Straw from Weaning, Straw Throughout) were studied. Measures of development, behaviour and propensity-to-chew were taken.
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