Effective protection against cold weather stress Milk Energizer? is a high energy, instant mixing fat source available for increasing the total energy level of whole milk or milk replacers during cold weather. The energy from Milk Energizer? helps keep animals in a positive energy balance during periods of cold stress or low feed intake. It can be used with any livestock species when additional energy is required. ? Performance-proven to help combat cold stress ? Convenient mixing and feeding options ? Concentrated energy when every minute counts