I also have some Metamucil in the dog cabinet. That might also be an option.

It's old, though...from Evan's time and he died in 2001

I guess it's time to buy more!
Okay, so we doubled his pumpkin, adding the same amount to his breakfast that we give him for supper. And if that doesn't work, I can try flax or All Bran or Metamucil...

I hope I don't have to resort to lactose intolerance!