Revival Animal Health Breeders' Edge Foster Care Feline Milk Replacer, 20 lbs for kittens & cats Compare to KMR milk replacer Gives your kittens complete and balanced nutrition for the first 35 days of their life Contains Bio-Mios to promote growth of good bacteria and support natural defenses IgY boosts the immune system to protect against disease Contains enriched levels of taurine for heart and eye health