Originally Posted by sugarcatmom
It tends to be the amount of bone content in NV that can cause constipation in some cats.
Perhaps mixing in a little extra raw meat without bone would help.
In the meantime, slippery elm bark syrup could be helpful in lubing things up, if you have any: http://www.littlebigcat.com/index.ph...em=slipperyelm
I know I have dogs and you have cats, but for what it's worth, I think NV and most pre-made raw foods, have too much bone for some animals to handle, which can lead to constipation.
I second the suggestions of slippery elm and adding raw muscle meat to lower the bone % (which is what i do all the time, otherwise the dogs poop rock hard white stool).