Crab apples are a very sour and woody flavoured apple and are often used in cooking.
So can guinea pigs eat crab apples, and if they can how much can they eat.
Lets take a look at their nutritional data and find out a bit more about them.
Amounts Per Selected Serving%DV
Read More http://nutritiondata.self.com/facts/fruits-and-fruit-juices/1874/2#ixzz2swwfqkAj
As you can see crabapples contain a hint of phosphorus, calcium, and have a little acid.
They have a small amount of vitamin c in them as well.
So guinea pigs can eat crabapples, in fact every other day should be fine for them 3-4 times a week. Let’s hope they don’t find them too sour though.