Can rats eat onions? | EatWeirdThings.com

Can rats eat onions?

Quick Answer

No

Onions are toxic to rats and can cause serious health problems, including damage to red blood cells.

Illustration of moldy bread

What Is It?

Onions are a type of vegetable that belong to the Allium family. They are known for their strong smell and taste.

Why It Can Be Risky

Feeding onions to rats poses several risks.

  • Onions contain a compound called thiosulphate which is toxic to rats.
  • Consumption of onions can lead to a condition called hemolytic anemia, where the red blood cells burst while circulating in their body.
  • Onions can also cause gastrointestinal irritation in rats.

Safe Alternatives

  • Rats can safely eat a variety of fruits and vegetables such as apples, pears, peas, and carrots.
  • Ensure that all food is washed thoroughly to remove any pesticides.