A method of improving the health of a first group of young monogastric mammals, the first group of young monogastric mammals nursing from a first lactating monogastric mammal during a pre-weaning period, the method including feeding the first lactating monogastric mammal an effective amount of an animal feed during the pre-weaning period, and feeding the first lactating monogastric mammal an effective amount of sugar alcohol during the pre-weaning period.