The Tan rabbit is a high-energy, athletic breed with a fast metabolism that demands a diet built around unlimited high-quality grass hay. Timothy hay should form the foundation of every meal, providing the long-strand fiber essential for healthy gut motility and proper dental wear. Because Tans are so active, they burn through calories more quickly than many sedentary breeds, and their diet must account for that without tipping into excess weight.
Protein requirements for Tan rabbits sit slightly above those of less active breeds, particularly during growth phases and for does that are nursing. A diet that delivers between 14 and 16 percent crude protein from hay and pellets combined will support the lean muscle mass that defines the breed's arched, full-bodied frame. Fat content should remain low, generally between 2 and 4 percent, to keep the digestive system running smoothly.
Vitamins A and D are critical for maintaining the Tan's distinctive glossy coat and strong skeletal structure. These are typically supplied in adequate amounts through a combination of fresh leafy greens and fortified pellets. Calcium and phosphorus must remain in proper balance — roughly a 2:1 ratio — to prevent urinary sludge, a condition rabbits are particularly prone to when calcium intake climbs too high.
Water intake is another area that deserves close attention. Tans are active drinkers, and dehydration can quickly lead to GI stasis. A heavy ceramic bowl or a reliable bottle system should always be filled with clean, fresh water, and owners should monitor consumption daily to catch any sudden drops that might signal a health issue.