[header] How to prevent whipworms in dogs [title] Remove feces promptly. [step] The removal of fresh feces is crucial to preventing infection. Fresh feces are not infectious because the eggs are not at the right stage to infect a host. 
Removing them immediately removes the potential source of infection before the eggs can embryonate. If left, eggs can shed from the feces and get into the soil or water, where they may pose an infection risk for years to come.