ABSTRACT

Common canine roundworm. Puppies can acquire large numbers of worms in utero. PPP= Puppies begin shedding eggs as early as 3 to 4 weeks after birth. Dx: Eggs (spheroid, 90 µm long) in feces of dogs of all ages. Eggshell has a characteristic pitted surface. Adult Habitat: Small intestine. Similar Species: The egg of Toxascaris leonina is similar in size, but has a smooth shell and the ovum tends to be lighter in color. Range: World Clinical Signs: Pups: listless, inappetent, large abdomens, poor hair coat. Severe infections: constipation, diarrhea, and possibly abdominal pain (palpation). Large numbers of worms: intestinal blockage or perforation. Potential Zoonosis: Visceral and ocular larva migrans in children. Tx: Large number of products used as per label instructions: