Timothy hay forms the cornerstone of any Continental Giant's diet, but the sheer volume these rabbits consume daily makes sourcing and quality control a far more consequential decision than it is for smaller breeds. A healthy adult Continental Giant may eat a body-sized portion of hay every single day, which translates to roughly three to five pounds per week depending on individual metabolism and activity level. First-cutting timothy hay provides the highest fiber content and coarsest stems, making it the preferred daily staple for promoting proper gut motility and dental wear in a breed whose continuously growing molars can reach problematic lengths without adequate abrasion.
Second-cutting timothy hay offers a slightly softer texture with thinner stems and more leaf content, which can be useful for Continental Giants that are reluctant hay eaters or for blending with first-cutting to improve overall palatability. Third-cutting hay, while appealing to picky rabbits, carries significantly lower fiber density and higher caloric content per volume, making it a poor primary choice for a breed already predisposed to obesity-related joint stress. When evaluating any cutting, look for hay that is green to light gold in color, free of excessive dust, mold, or brown patches, and carries a fresh, sweet aroma rather than a musty or sour smell.
Orchard grass serves as an excellent complementary hay and can be rotated with timothy to maintain dietary interest across weeks and months. Its slightly sweeter flavor profile often appeals to Continental Giants that have grown indifferent to a single hay variety, and its nutritional profile is comparable enough to timothy that it can be offered ad libitum without concern for caloric excess. Meadow hay blends, which combine several grass species, offer natural variety but should be sourced from reputable suppliers who can guarantee the absence of toxic plant inclusions such as ragwort or hemlock.
Oat hay provides a useful occasional addition, particularly during colder months when a Continental Giant's caloric needs may increase slightly due to thermoregulation demands. The seed heads present in oat hay are calorie-dense, so it should be offered in limited quantities alongside the primary timothy or orchard grass ration rather than replacing them. For Continental Giants under twelve months of age, alfalfa hay may be offered as a supplementary hay to support the rapid skeletal growth characteristic of giant breeds, but it must be transitioned out of the diet by adulthood due to its high calcium and protein content, which can contribute to urinary sludge and excessive weight gain in mature rabbits.
Buying hay in bulk is almost always necessary for Continental Giant owners due to the volume consumed, and proper storage directly affects nutritional value and safety. Hay should be kept in a cool, dry, well-ventilated area away from direct sunlight, ideally in breathable containers or cloth bags rather than sealed plastic bins that trap moisture and promote mold growth. Inspecting each new bale or box upon arrival is essential, as even premium suppliers occasionally ship batches with foreign objects, excessive dust, or early signs of mold that can trigger gastrointestinal distress or respiratory irritation in a breed whose large lung capacity makes them particularly susceptible to airborne particulates.