The following should never be given to rats:
Raw dry beans or peanuts
Raw sweet potato
Raw red cabbage and brussel sprouts
Green potato skin and eyes
Raw bulk tofu
contains toxic mold
contains a suspected neurotoxin
contain antinutrients, cause red blood cell clumping (note: the peanuts that you buy in stores are almost always roasted so are okay.... frozen beans from veggie mixes are okay because they've been pre-cooked)
contains cyanide-forming compounds
contain an antinutrient that destroys thiamin
inhibit protein digestion
inhibit starch digestion
contain solanine (toxin)
could carry parasites
high levels of oxalates which bind up calcium
can contain bacteria (packaged tofu is safe)
contains d-limonene which can cause kidney cancer in male rats
can lead to anemia and an upset stomach
Foods that should be fed with caution:
If you want to let your rat try these, be careful:
Rats can't burp! [and why do it anyway?]
It contains stimulants that can lead to heart failure or neurological poisoning in high quantities. A bit of chocolate is okay and can actually temporarily alleviate respiratory distress
This can cause choking in rats. If you want to give your rats some, mix it with some water to make it less sticky.
These are high in fat and are a good treat to feed rats that are in need of "beefing up" (make sure the fruit is ripe). However, the pit, rind, skin and leaves of avocados are toxic. The part of the fruit in contact with
the pit has a higher concentration of toxins.
It can have high levels of fungal contaminates which can lead to liver cancer. A little fresh corn is fine, though it has no nutritional value at all.
Adapted from: Rat Health Care, 7th ed. by Debbie Ducommun. 2001.
Fancy Pet Rats Philadelphia, PA suburbs