Rabbits

The rabbit is a strict herbivore whose digestive system relies on remarkably efficient cecal fermentation. The cecum represents 40% of total digestive volume. It hosts billions of microorganisms capable of fermenting cellulose and extracting volatile fatty acids, microbial proteins, and B and K vitamins.

The cecotrophy process is the cornerstone of nutrition: two types of feces are produced—hard pellets and cecotrophs (soft, protein-rich), directly ingested by the animal.

Hay: Primary Food, Non-Optional

Quality hay (timothy, orchard grass, meadow) must constitute 80 to 90% of the ration by volume, continuously available. Long fibers fulfill two functions: wear of continuously growing teeth (0.8–1.2 cm/month) and transit regulation. A fiber-poor ration leads to dental malocclusion and gastro-intestinal stasis (fatal veterinary emergency in 24–48 hours).

Fresh leafy green vegetables (romaine, endive, parsley, cilantro, basil) complement the ration. Pellets are optional (1% of body weight/day). Fruits are occasional treats (10 g, 2–3 times/week).

Toxic Foods

Avocado (persin) causes cardiac and pulmonary lesions. Garlic, onion, shallot cause hemolytic anemia. Nightshades (tomato leaves, potato) contain neurotoxic alkaloids.