White specks in dog poop could mean tapeworms. Seeing white specks or strings in your dog’s doo could mean a trip to the vet is necessary. Great Pet Care says white specks could be tapeworm eggs ...

Tapeworms are flat, white worms ... around in their poop. These segments die and dry out. Then they’re hard, yellow specks that can stick to the fur around your dog's bottom.

Often, white specks in the stool isn’t cause for concern. They’re most commonly caused by undigested food, which can be resolved in several days with a change in diet.