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| Safe? | No |
| How much | None, dry or soaked |
| How often | Never |
| Best served | Not at all: keep cereal boxes and bowls out of reach |
| Watch out for | Eating less, smaller or fewer droppings, soft droppings |
Why can't rabbits eat Weetabix?
Because a rabbit's gut is built for grass, not grain. PDSA and the RSPCA both put hay and grass at about 85% of a healthy rabbit's diet. That long fibre keeps food moving through the gut and wears down teeth that never stop growing. Weetabix is wholegrain wheat pressed into a biscuit, with malted barley, sugar and salt added. Wholegrain sounds healthy, and it is for people, but for a rabbit it is a dense lump of starch with short, ground fibre that does nothing for the teeth.
Starchy, sugary food also fills a rabbit up, so it eats less hay. Rabbit.org lists breakfast cereals, bread, crackers and pasta together as processed foods to avoid for exactly this reason. Our rabbit diet guide explains how the gut works and what a balanced day looks like.
Is one biscuit going to hurt?
Probably not, but it is still a no. Weetabix contains nothing poisonous to rabbits, so a few crumbs stolen from the breakfast table are very unlikely to cause harm. The danger is in repeat feeding: regular starchy treats push out hay, which over time leads to overgrown teeth, weight gain and a sluggish gut. PDSA warns that a gut that slows down or stops (gut stasis) is an emergency that can be fatal if not treated quickly.
My rabbit ate Weetabix: what now?
- Remove the rest. Pick up the bowl and any crumbs or soggy pieces.
- Offer hay and water. A fresh pile of hay at least as big as your rabbit, plus clean water, keeps the gut moving.
- Watch for 24 hours. Check your rabbit is eating and passing normal, round droppings.
- Ring your vet if anything drops. PDSA says to call straight away if your rabbit eats less than normal, and as an emergency if it stops eating.
What to give instead
If your rabbit loves a crunchy treat, use a few of its own pellets from the daily allowance, or a sprig of a favourite herb such as basil or coriander (cilantro). Our rabbit safe food list has the full range. For the other kitchen cupboard favourites, see why bread, biscuits and crackers are also a no. Our rabbit care guide covers everything else.
Weetabix and rabbits: questions
My rabbit ate some Weetabix. What should I do?
Take the rest away, put out fresh hay and water, and watch for the next 24 hours. You want to see your rabbit eating normally and passing plenty of round, dry droppings. PDSA says to contact your vet straight away if a rabbit is eating less than normal, and treats a rabbit that has stopped eating as an emergency.
Can rabbits eat Weetabix soaked in milk?
No. Milk adds a second problem: the RSPCA lists dairy among foods rabbits should avoid, as well as cereals. Rabbits are weaned onto plants and do not need milk after that. Soaking the cereal makes it no gentler on the gut.
Can rabbits eat Shreddies, cornflakes or porridge oats?
No to all three as food. They are all breakfast cereals, which Rabbit.org lists among processed foods to avoid, and cornflakes are made from corn (maize), which the RSPCA names separately as a food to avoid. Rabbits get the fibre they need from hay, not from grain.
Can baby rabbits eat Weetabix?
No. Young rabbits have an even more delicate gut than adults, and Rabbit.org advises no vegetables at all before 12 weeks, let alone cereal. Baby rabbits should have unlimited hay, their mother's milk until weaned, and a measured portion of pellets made for young rabbits.
