Which type of pesticide is absorbed and moves within an animal?

The term "systemic animal pesticide" refers to a type of pesticide that is absorbed into an organism and then transported throughout its body, often via the bloodstream. This characteristic makes systemic pesticides particularly effective for targeting pests because they can affect the organism from within. When an animal or pest consumes a systemic pesticide, it becomes part of their bodily processes, leading to greater efficacy in controlling pests that may not be easily reached by surface applications.

In contrast, contact pesticides operate by destroying or repelling pests upon direct exposure, meaning they do not penetrate the organism's body and thus do not move within it. Chemical fumigants work as gaseous pesticides that can permeate spaces and materials but aren't absorbed by animals in the way systemic pesticides are. Granular pesticides are typically solids that require moisture or movement to activate, and they also do not function through internal absorption.

Understanding these distinctions is essential for effective pest management strategies, as the choice of pesticide can greatly influence the control of pest populations. Systemic animal pesticides are particularly useful in scenarios where pervasive infestation exists, allowing for a more targeted approach to pest control.