Are You Buying It: 50 Calorie Packs for Dogs? What will they think of next?! Your eyes aren't fooling you, those are 50 calorie snack pouches for pooches. Filled with a perfect portion of 90 percent lean beef Pup-Peroni, it helps you be confident that you're not going overboard with the indulgences (and even offers a packs per day per pound of dog chart). On the one hand, I do know that pet obesity is a growing problem and on the other, I'm not sure I want to involve my pup in the 100 calorie pack-style feeding frenzy.