vertebrate pest. But they are marvelous athletes and
flour sifter or salt and pepper
successful survivors as well. Successful longterm rat
control is not simple. The key is to control rat
Do not use tracking powders in
suspended ceilings, around air
populations, not individual rats.
The two most common pest rats are the Norway
ventilators, or near food or food
rat and the roof rat. To be controled they must be
preparation areas. The powder can
understood. Two of the most important biological
become airborne and drift into nontarget
factors to help control rats are (1) their fear of new
areas. [The rodenticide in tracking
objects and (2) their large foraging range of 100-150
powders is generally 5 to 40 times more
feet or more from their nest.
concentrated than that in baits.]
Successful rat control programs usually use a
Tracking powders can be made with
combination of tools and procedures to knock down a
acute poisons or slower acting poisons.
rat population and keep it down. Longterm, the most
successful form of rat control is to build them out, also
called rat-proofing. Other control tactics include
trapping and poisons. When using rodenticide baits
Rats have adapted to nearly all human
and tracking powders, care must be taken to avoid
environments, Along the way, they have caused more
risks to people, children, pets, and nontarget animals.
human suffering and economic damage than any other
Module Three Chapter 2, Pg 10