Forages Can they eat too much Grass??

[Kimberly713]

My phone goes off and I receive a photo from my dad. (My parents are caring for my piggies while I'm in college). I see this:

Not sure how to resize it well, but he says it is 100% Kentucky Bluegrass Grass he grew at work, pesticide free obviously. I asked him to please limit them, since doesn't grass have a lot of fiber? Can they eat too much grass? Clearly they are two VERY happy pigs right now haha.
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[bpatters]

Grass is fine for pigs, and it's almost impossible for them to get too much fiber. And hay is nothing but dried grass. But he shouldn't switch them cold turkey from hay to grass -- they're likely to get bloated. He should start with a small amount per day and work up to a more substantial amount.

 

[Kimberly713]

They still have their hay in the cage too.
Just got off the phone with him, he says they munched for only about 10 minutes then went to the hay anyways. He promises to give them smaller amounts at a time.
THANks