Frozen veg or vegetables are those vegetables that have been placed in the freezer in order to elongate their life.
Vegetables only have a certain lifespan and can go rotten quickly when they are exposed to the air.
So freezing them for a certain time and then defrosting them means you get to keep them for that bit longer.
Yes, they can eat defrosted veg but it isn’t as good for them as fresh veg.
It loses its nutrients when it is frozen and isn’t as good for them as fresh veg.
It’s far better to feed them fresh veg even when you think it may be going off a little.
For more foods that guinea pigs can and can eat check out our GUINEA PIG FOOD LIST