I mean specifically cat food. I haven’t look at dog food labels, not having a dog. There’s beef, chicken, turkey, fish, but as far as I can tell, no pork.
Do we process pigs as human food, “using everything but the squeal” as Upton Sinclair’s The Jungle puts it, leaving nothing for the pets? Seems unlikely.
According to PetCo, it is because of the fat, or the specific composition thereof:
I am not exactly sure what they mean by this statement though; fat globules? Once your body digests it, it won’t be in “globules” anymore and I don’t think cat capillaries (or blood cells, which must fit through them) are smaller than human capillaries. The latter makes sense though (it is also bad for people), but won’t be present in unprocessed meat (but not limited to pork, which by itself doesn’t need any, only in preserved and cured meats and cold cuts).