Bulls are often kept in social isolation for management reasons, but their welfare needs for social contact and appropriate housing are frequently overlooked in commercial systems.
Bull welfare in isolation is compromised across multiple welfare domains simultaneously. The absence of social contact removes the opportunity for normal social behaviour including mutual grooming and non-agonistic social interaction. Social isolation in a highly social species causes chronic psychological stress that manifests in stereotypic behaviour including bar-licking, weaving and persistent vocalisation. Physical welfare is compromised in bulls confined with insufficient space for normal movement, leading to progressive foot and leg disorders. The justification for isolation on safety grounds is valid for individual animal management but should not preclude all social provision - innovative management including adjacent-pen social contact and compatible companionship animals can provide social welfare without safety compromise.