ABSTRACT
toxascaris leonina Common roundworm of cats (and dogs). Typically not seen in kittens (no prenatal infection). PPP= 2 months. Dx: Egg (ovoid, 90 µm long) in feces has thick, smooth shell with the internal ovum appearing light in color. Eggs develop rapidly. Adult Habitat: Small intestine. Similar Species: Toxocara cati: similar size and shape, but has dimpled eggshell and a darker colored ovum. Range: World, but more common in cooler climates. Clinical Signs: Typically none. Only very rare reports of disease. Potential Zoonosis: Visceral larva migrans in children. Tx: Several OTC products also efficacious; products labeled for Toxocara cati are probably efficacious.
