Biestmilch is first milk, also called Colostrum. All mammals produce it for their offsprings during the first 3 days after they gave birth. Biestmilch is absolutely essential for babies regardless the species, be it human or mouse! It is a powerful substance containing many surprises for healthy and sick people.
Without going into details one can say that Biestmilch enhances stress resistance for the young, the old the healthy and the sick!