Poultry International - April 2018 - 37
PoultryInternational ❙ 37
water temperature was the same as that showing
on the digital display. Water in the second
tank was found to be 2 C lower than what was
shown on the display. This information was not,
however, shared with the processing supervisor
who was asked if all of the daily procedures were
followed prior to starting processing.
He replied that they had been.
I asked if the supervisor had a handheld
thermometer to check the water temperature and
he was surprised that this should be necessary.
So we tested the water temperature together in
various parts of the tank, confirming that
the temperature was two degrees lower
than that shown on the digital display.
To allow processing to restart, the
water temperature was increased and
monitored manually. Birds started to exit
the last plucker without epidermis residues.
At the end of the shift, the tanks were drained
and the temperature sensors checked, and one
was found to be slightly damaged, which could
have happened at the end of the previous day
during cleaning. Further proving the point, with
both tanks drained, the temperature shown
on the control panel display for the first tank
dropped, for the second, however, no change was
Different input, different results
A similar situation arose at a plant where
birds were found to be flapping in the bleed
tunnel for no immediately obvious reason.
The problem became apparent partway though
the shift, and after the contents of five trucks
had been successfully slaughtered with only the
Reducing poultry processing waste maximizes
briefest of wing flapping occurring in the bleed
New trucks arrived with more birds from the
same farm, but this time significant flapping
was occurring in the bleed tunnel, which risked
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