Thanks for the replies! So I took her to the vet Friday afternoon. Also brought along the 'object'. My vet was really surprised by it. She said the only thing she could think of was an aborted fetus. However, I'm positive our other two piggies are girls since we've had those two for 4 months now and per the vet, we definitely would have seen pregnancy before now if one of the other two were boys (that and the previous owner never had any pregnancies and they were raised together, etc). I looked again after our vet visit when I got home with Bubbles, and the other two are girls. That said, the vet was unsure what it could be. She said the only other thing she could think of was a tumor. She dissected it and did a couple smears and was going to do some testing.
As far as the decreased eating, etc, it turns out she broke one of her top front teeth.
I had thought she had been nipped because I had noticed a little blood by her mouth. However, it turns out that (and the blood on the fleece) was from the broken tooth. It broke right by the gum. So she's on Critical Care, antibiotics, pain medication, and medication to keep her GI tract moving along. She's not a fan of taking any of this, but is tolerating it. lol
Yesterday she seemed to be feeling a little better and was eating kale. However today she wouldn't touch anything but a little bit of grass...and that she struggled with because of the tooth. I even tried using a cheese grater to shred down some apple since she loves apples...no luck. She's still getting the Critical Care but I'm adjusting that based on how much other food she's eating.
We would appreciate any prayers. I'm still worried about her. Just nerves I guess. I love her SO much! Oh, and a side note...she turned 3 in October. We've had her since she was 3 months old...