I f mom enjoys cooking it up for the dogs, tell her to break it up into very small quantities (a Tablespoon or two at most, chopped) and freeze it in individual baggies, then add a baggie to their meal every few days.

Liver is great for dogs, but too much will make them throw up or have gas/diarrhea. Just like hot peppers are great for us, but you wouldn't eat a dozen of them and not expect to get sick.

Take care,
Lisa