Check one foodCheck a cage

What can rats eat? A fridge-door chart

69 foods we have checked for rats. Treats are small: the full answer for each food gives the amount.

Yes (8)

  • Broccoli
  • Cauliflower
  • Courgette
  • Green beans
  • Kale
  • Pak choi
  • Peas
  • Rocket

Sometimes (48)

  • Almonds (now and then)
  • Apples (1–2 times a week)
  • Apricots (1–2 times a week)
  • Bananas (1–2 times a week)
  • Beans (1–2 times a week)
  • Beef (1–2 times a week)
  • Blueberries (1–2 times a week)
  • Bread (now and then)
  • Butternut squash (1–2 times a week)
  • Cabbage (1–2 times a week)
  • Carrots (1–2 times a week)
  • Cat food (now and then)
  • Celery (1–2 times a week)
  • Cheese (now and then)
  • Cherries (1–2 times a week)
  • Chicken (1–2 times a week)
  • Chickpeas (1–2 times a week)
  • Cucumber (1–2 times a week)
  • Eggs (1–2 times a week)
  • Kiwi (1–2 times a week)
  • Lentils (1–2 times a week)
  • Lettuce (1–2 times a week)
  • Mealworms (1–2 times a week)
  • Mushrooms (now and then)
  • Oats (1–2 times a week)
  • Pasta (1–2 times a week)
  • Peaches (1–2 times a week)
  • Peanut butter (now and then)
  • Peanuts (now and then)
  • Pears (1–2 times a week)
  • Peppers (1–2 times a week)
  • Plums (now and then)
  • Popcorn (1–2 times a week)
  • Raspberries (1–2 times a week)
  • Rice (1–2 times a week)
  • Salmon (now and then)
  • Seeds (1–2 times a week)
  • Spinach (1–2 times a week)
  • Squash (1–2 times a week)
  • Strawberries (1–2 times a week)
  • Sunflower seeds (1–2 times a week)
  • Sweet potato (1–2 times a week)
  • Sweetcorn (1–2 times a week)
  • Tomatoes (1–2 times a week)
  • Turkey (1–2 times a week)
  • Watermelon (1–2 times a week)
  • Weetabix (now and then)
  • Yoghurt (now and then)

No (13)

  • Avocado
  • Chocolate
  • Dark chocolate
  • Grapes
  • Guinea pig food
  • Hamster food
  • Iceberg lettuce
  • Mango
  • Marshmallows
  • Oranges
  • Rabbit food
  • Raisins
  • Yoghurt drops

Rat cage sizes

Minimum for up to 4 rats80 × 50 × 80 cm (31.5 × 20 × 31.5 in) (Woodgreen)
Recommended for 2 to 5 rats90 × 60 × 120 cm (35 × 24 × 47 in) living space (Blue Cross)
Bar spacing1 cm (0.4 in); no rat should fit its head through (Woodgreen, RSPCA)
FloorSolid, not wire mesh (RSPCA, PDSA)
Room temperature19 to 23°C (66 to 73°F) (RSPCA)
HidesOne more than the number of rats, each with two exits (RSPCA)
Number of ratsAt least two; never one alone
Time out of the cageAn hour or so a day, supervised (RSPCA)

Sources include ASPCA Poison Control, Blue Cross, Burgess, Burgess Pet Care, Chewy, Cornell Animal Science, NFRS, Ontario SPCA, PDSA, PetMD, Public Health England, RSPCA, RSPCA Australia, RSPCA Australia Knowledgebase, Rat Guide, Rat and Mouse Club of America, Supreme Petfoods, The Vet Desk, UK legislation, Unusual Pet Vets, VCA Animal Hospitals, Walkerville Vet, WebMD, Weetabix, Woodgreen, Woodgreen Pets Charity. Each answer and its sources: bruxlings.com/pages/what-can-rats-eat. General guidance for healthy adult animals, checked 13 November 2026.
Free to print, share and put on your website under CC BY 4.0: please credit Bruxlings with a link.