Toxocara canis

Virtual Microscope

 L3 larvae

Larvae stage 3

Size: 350—400 x 15—20 µm

  • Straight esophagus (extending about a third of the body length)

Egg in dog (!!) feaces


Size: 80—85 µm

  • Golden in color
  • Spherical to slightly pear shaped
  • Thick-shelled
  • Pitted surface

Eggs can persist in the environment for years.

Eggs are found only in the feces of definitive hosts (cats and dogs)