What to feed your piggy  Sometimes it can be hard to know what to feed your Guinea Pig  so here is a few dos and don'ts for your piggy's diet:   What not to feed your Guinea Pig: Meat because guinea pigs are vegetarians Lighter lettuce  Gassy vegetables Avocado  Onion Grapes or raisins Processed or artificial chemicals  Tomato leaves or stalks Nuts Plants rich in oxalic acid  Garlic Bananas  Seeds  Dairy Chocolate (not only that it contains dairy, but artificial fats or sugars are bad for your piggy Inedible items Beans  What to feed your Guinea Pig: Hay or grass must be readily available  Guinea pig specific pellets or nuggets Vegetables high in vitamin c, which is an important part of their diet as, like humans guinea pigs cannot make their own vitamin c so foods such as celery are very important Lettuce, your probably thinking that I just said not to feed piggy...