Fruits and Vegetables:
* Avocado: The pit, skin, and flesh are all toxic.
* Rhubarb: Both the leaves and stalks are poisonous.
* Potato: Green potatoes and potato sprouts are toxic.
* Tomato: The leaves, stems, and green parts of the tomato plant are poisonous.
* Onions and Garlic: All parts of these plants are toxic.
* Mushrooms: Most wild mushrooms are toxic, and even some edible mushrooms can be harmful to guinea pigs.
* Citrus fruits: Lemons, limes, oranges, and grapefruits can cause stomach upset.
Other Foods:
* Chocolate: Toxic to guinea pigs due to theobromine.
* Candy: Sugar and artificial sweeteners are harmful.
* Alcohol: Toxic to guinea pigs.
* Caffeine: Found in coffee, tea, and soda, can be fatal.
* Nuts: Most nuts, including almonds, walnuts, and peanuts, are toxic.
* Dairy products: Milk, cheese, and yogurt can cause digestive issues.
* Grains: Wheat, barley, and rye are not recommended as guinea pigs are herbivores.
* Processed foods: Avoid giving your guinea pig any human food that is processed or contains added sugar, salt, or fat.
Important Reminders:
* Fresh hay is essential: Guinea pigs need a constant supply of fresh hay for their digestive health.
* Limited treats: Treats should be given in moderation, and only healthy ones that are specifically designed for guinea pigs.
* Consult a vet: If you are unsure about the safety of a food for your guinea pig, always consult a veterinarian.
Note: This list is not exhaustive, and there may be other foods that are toxic to guinea pigs. It's always best to err on the side of caution and only feed your guinea pig foods that are specifically recommended for them.