To increase the survival rate of a litter, you need to ensure that all piglets have access to fresh milk. By offering the piglets a supplement to the sow's own milk, you can increase the survival rate as the extra milk makes it possible for the sow to take care of more piglets.
Interview with Maj Søgaard, DanVit, and Susanne Zwergius Teilmann, Danish Agriculture & Food Council.
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