Diseases Rats and Mice Spread
Rats are
known to spread 35 diseases to humans and animals. Some human diseases rats
spread are
Salmonellosis Rabies,
Tularemia, Leptospirosis
Amoebic dysentery 
Trichinosis, Rickettsial pox Lymphocytic Choriomeningitis Ray fungus
Ringworm etc……….
Also, they transport and host
ectoparasites, especially mites. Mites living temporarily on rats and mice in
their nests and burrows can, following treatment of the house and birds for
mites, quickly rein fest the premises with mites. When you sell birds on
mite-infested farms, migrating rodents can transport mites to adjacent farms.
Rats can transport 18 different kinds of mites, lice, fleas, and ticks.
When you market poultry at
the end of a production cycle and clean the poultry house, rats tend to migrate
to other places where they can get feed and water. There are cases, of course,
where feed is left in the feeders or spilled around feed bins and water remains
available in the house or in a stream or pond nearby during cleanout time.
Then, most of the rats will not move elsewhere. But it is believed a lot of
rats do migrate between poultry farms during cleanout or down time, and the
rats may spread some poultry diseases and ecto parasites as they travel.
Using disinfecting foot pans
for poultry caretakers and service persons is good and should be encouraged, as
should other sanitation measures, but you should remember migrating rats do not
use disinfecting foot pans when they enter and exit the house. Also remember
that rats, in most cases, get directly in a feed trough to feed, and they drink
directly from the waterer the chickens use. Therefore, rats can be an ideal
means of transporting diseases from farm to farm.
Estimating
Your Rat and Mouse Population Use this thumb rule to determine your rat
population. If you never see rats but see signs of them, there are from 1 to
100 on the premises. If you see them occasionally at night, there are 100 to
500. Occasional daytime and numerous night sightings indicate 400 to 1,000.
Seeing several in the daytime may indicate a presence of as many as 5,000. When
one farmer sold his laying flock he decided to get rid of the few rats in his
hen house. The score at the end of his extermination program was 1,800 dead
rats.
Rats are
known to spread 35 diseases to humans and animals. Some human diseases rats
spread are
Salmonellosis Rabies,
Tularemia, Leptospirosis
Amoebic dysentery
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