Farm Animal Welfare

Pig Weaner Management and Post-Weaning Stress

Weaning at 3-4 weeks in commercial pig production creates major welfare challenges through social disruption, dietary change, and immune vulnerability. Good management can significantly reduce post-weaning suffering.

Key Facts

EU law permits weaning as early as 21 days but most pigs are weaned at 28 days
Post-weaning diarrhoea is the most significant disease challenge in young pigs
Weaned pigs commonly fail to eat for 24-48 hours, increasing disease susceptibility
Liquid diets and supplementary creep feeding pre-weaning improve post-weaning transition
Later weaning at 5-6 weeks significantly reduces post-weaning stress but is rarely practiced commercially

Welfare Considerations

Weaning is one of the most stressful events in a commercial pig's life, combining maternal separation, social disruption, dietary change, and immune challenge simultaneously. Post-weaning disease causes significant suffering and high mortality. Improving weaning management through better diet, gradual transition, and minimal regrouping reduces this welfare burden substantially.

What You Can Do

Support pig welfare standards that specify minimum weaning ages
Advocate for research into welfare-optimal weaning management practices
Choose pork from farms using later weaning ages or improved weaning management