Alfalfa Hay Guide
While alfalfa hay is a nutrient-rich feed for rabbits , there are potential drawbacks to consider when feeding it to them. One of the main concerns is excessive calcium intake, which can lead to urinary tract problems and kidney stones in rabbits .
Alfalfa hay is extremely high in calcium (1.3%) and should be avoided in rabbits with urinary tract problems . Another way you can reduce your rabbit's calcium intake is by substituting some of its hay with fresh grass.
7 Best Safe Forages for Rabbits Prone to Bladder Sludge
Spinach: Rich in oxalates Alfalfa Hay : Suitable only for young or pregnant rabbits Pro Tip: Always research new forage items before feeding them to your pet. FAQs What are the safest greens for rabbits prone to bladder sludge? Low-calcium greens like cilantro, dandelion greens, and wild plantain are excellent options. Can rabbits eat clover ...

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Alfalfa is sometimes fed as a hay substitute, particularly for young rabbits , unlike grass- hays it has high calcium content (1.3%) so should be avoided in rabbits with calcium related urinary tract issues.
Rabbit Urinary Sludge & Stones
Never feed adult rabbits alfalfa hay , unless they have a need for an increased calcium diet (pregnancy, lactation or growth of young rabbits ). Limit the amount of high calcium vegetables offered and never use a calcium/mineral supplement/block.
The best way to prevent a UTI in rabbits is to offer alfalfa in small, limited quantities, and to remove it entirely from the diet of rabbits that have had UTIs in the past.

Alfalfa Benefits for Bunnies
However, because alfalfa hay contains high levels of calcium and specific nutrients, improper feeding can lead to health issues such as obesity, urinary complications, and digestive problems , particularly if not balanced with other types of rabbit food.
Rabbits and Alfalfa Hay
Alfalfa hay is nutrient-dense: It's packed with protein, calcium, and fiber, making it ideal for young rabbits under 6 months. Not for adult rabbits long-term: High calcium can lead to urinary issues, so switch to grass hays after weaning.
This single issue makes the alfalfa - to -grass- hay transition one of the most important dietary changes in a rabbit's life. Understanding when to use alfalfa and when to stop using it applies primarily to herbivorous small mammals including rabbits , guinea pigs, and chinchillas, though the timing and reasoning differ slightly between species.