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					in the drumsticks. The environment in the hanging area
and the structure of the slaughter line can lead to                    Bone dislocations and fractures are
excessive movement and struggling, increasing the                      predominant defects produced during
frequency of defects such as bruises in the internal areas             hanging.
of the wings, as well as dislocations and fractures in tibias
and wings. A breast massage device in place from the
very beginning as well as low light intensity helps reduce      dislocations and fractures, bruises and back
animal struggling and, as a consequence, wing damage.           scratches. In addition, losses in meat yield can occur
In general, an environment that optimizes quality for           (depending on the ambient temperature) because of the
workers tends to improve carcass quality.                       increased generation of body heat, via homeothermic
                                                                processes.
The use of water sprays to wet the birds while still in the
crates on the truck in the holding area is a common             The line transporting birds after hanging should avoid
practice to reduce air dustiness. This is a practice which is   excessive and unnecessary curves. Each change in
welcomed by the hanging personnel. However, it can lead         direction leads to struggle and production of carcass
to stress-related carcass defects when applied during cold      defects such as bone dislocation and bruises. Hanging
weather, including wing bone                                    speed is dependent on line speed and both are potential
                                                                sources of wing defects.




                                 HANGI   17

				
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posted:4/2/2013
language:English
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