How optimal nutrition management during the weaning transition period improves pig welfare, reduces disease incidence, and supports long-term production welfare outcomes.
The weaning transition is one of the most welfare-challenging periods in a pig life. Simultaneously losing the mother, the familiar social group, and milk-based nutrition while adapting to solid feed creates compounding stressors that compromise immune function and gastrointestinal health. Welfare-focused weaner management includes offering palatable, digestible creep feed before weaning; providing familiar-smelling bedding in the new environment; maintaining stable social groups rather than regrouping piglets; ensuring comfortable, draft-free housing; and managing antibiotic use carefully to avoid disrupting the developing gut microbiome. Later weaning ages, where feasible, substantially reduce these challenges. The cumulative welfare impact of good weaner management extends throughout the pig life as early experiences shape long-term stress resilience.