Wombaroo Deer Milk 5kg. Wombaroo Deer Milk Replacer is a nutritionally balanced milk substitute for all deer species. Use for orphaned fawns or when mother’s milk is limited. Key Features: Specifically formulated to match the composition of deer milk, based on published data from a range of species including fallow, red deer & chital. Elevated Fat Content – to supply the high energy requirements of fawns. Low feed volumes and reduced lactose content to minimise digestive upset. Elevated copper levels to minimise potential developmental problems associated with copper deficiency.