If your KMR® powder does not smell right, do not use it.
PetAg, the manufacturers of KMR® powder (kitten replacement milk), has recently posted information on their website about the possibility of the product being exposed to excessive heat after a number of users reported an “off odor.” Normally, the product exhibits a faint “milky” smell.
If your KMR® powder does not smell right (has an off odor), do not use it and contact PetAg directly at 800-323-0877.
According to PetAg Liquid KMR products have exhibited no impact from heat stress.
To learn more: http://www.petag.com/news_detail.asp?RegID=14