Poultry International - March 2018 - 33
PoultryInternational ❙ 33
HOW TO OPTIMIZE CHICKEN FEATHER PLUCKING DURING PROCESSING
Carcasses should not remain in the blood tunnel for in
excess of 3.30 minutes to avoid rigor mortis.
Carcasses must be properly immersed in the scalder.
If birds remain at the surface of the scalding tank, the tail
and wing feathers will remain above the water line, their
follicles will not properly dilate and the feathers will
not loosen. Similarly, if there is uneven water
turbulence in the scalding tank, and birds are
not fully immersed, the same situation will arise
with other feather follicles.
In addition to the particular difficulties presented by
tail and wing feathers, you will need higher temperatures
for remove effectively those feathers around the head and
the cuticle that covers the thigh joint.
Removal of wing feathers can be aided by angling the
plucker toward the exit, but too often processors choose to
increase the pressure applied by the plucking fingers to remove wing weathers with the risk of carcass damage.
When the above steps are not properly followed, it is
tempting overly adjust the plucking fingers, but care should
be taken not to damage the skin or to dislocate bones, and
Improving plucking during poultry processing
too much adjustment can result in carcass damage.
It is also important to not allow shackled birds to build
up at the entrance to the pluckers as this can result in carcass damage. The shackles should always be vertical, and
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