The separation of dairy calves from their mothers within hours of birth is one of the most welfare-significant practices in dairy farming, causing acute distress to both cow and calf.
The grief response in cows after calf separation is well-documented in the scientific literature through vocalisation, restlessness, and search behaviour lasting days. Calves separated from dams show stress responses, impaired immune function, and reduced social development. The practice is so fundamental to conventional dairy economics that reform requires either consumer willingness to pay significantly higher prices or technological solutions reducing the number of male calves born. Extended contact systems that do exist demonstrate that separation distress can be substantially reduced through delayed separation.