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Table 1 Herd characteristics and number of sows and piglets included in the study

From: Killing underweighted low viable newborn piglets: Which health parameters are appropriate to make a decision?

Herd Number Sow herd size (number of sows) Average life born piglets per litter (n)a Average piglet mortality until weaning (%) Sows included in the study (n) Piglets included in the study (n)
1 200 16.2 16.4 22 124
2 1200 18.7 17.2 31 147
3 800 14.6 14.4 22 111
4 700 15.6 14.3 24 147
  1. aWithin 12 months before start of the study