Fig. 1From: A 10-year trend in piglet pre-weaning mortality in breeding herds associated with sow herd size and number of piglets born alive10-year change in 91 herds for (a) mean pre-weaning mortality (PWM), the number of piglets born alive (PBA) and the number of piglets weaned, and (b) sow herd size and piglets weaned per sow per year (PSY)Back to article page