The Rural Voice, 1987-05, Page 474 i'`l\
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46 THE RURAL VOICE
NEWS
SALMONELLA WORK
BRINGS RESULTS
Several methods for reducing the
incidence of salmonella in raw poultry
are being tested by Agriculture Canada.
One method which has proved ef-
fective involves adding chlorine diox-
ide to the Targe tank where birds are
chilled after being cleaned and evis-
cerated.
"It cuts down considerably on
salmonella levels," says Dr. Frank
Tittiger, chief of meat safety in Agri-
culture Canada's meat hygiene division
in Ottawa, "but you end up with a bird
that looks rather pale. We're not sure
consumers would accept this, so we're
doing further research to come up with
a mixture that won't affect colour."
To combat salmonella at the farm
level, scientists at the department's
Animal Diseases Research Institute in
Nepean are testing the effect of
chlorinating animals' drinking water.
Food irradiation is another tech-
nology starting to attract attention.
The process involves subjecting food
to carefully prescribed doses of radi-
ation that kill bacteria.
Though not yet approved by the
federal health department for use on
poultry, irradiation could be used on
feed, which often includes recycled
waste products from slaughtered birds,
and in the processing plant.
While the salmonella problem is
not getting any better, says Dr.
Tittiger, it's not getting worse. Since
1979, when the federal government
started monitoring salmonella levels,
the contamination rate in poultry has
been around 55 to 60 per cent each
year.
But Dr. Tittiger stresses the dif-
ference between "contaminated" and
"diseased" meat. "Diseased meat comes
from sick animals. These are auto-
matically rejected by federal inspectors
at the slaughterhouse. However, ani-
mals can carry salmonella bacteria
without being sick. Their meat is
perfectly safe and wholesome if
properly cooked."
According the the federal Lab-
oratory Centre for Disease Control,
there are about 9,000 reported cases of
salmonella every year. But the actual
number may be close to 300,000.0