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  Equipment for electrical stunning in a water bath. Photograph: Lotta Berg, SLU.  
  The modules about Biological principles and on Handling of animals have aimed to give a deeper understanding of the animals we slaughter, through knowledge about basic physiology and important behaviours, and practical handling at the slaughterhouse. From an animal welfare perspective, it is important that basic biological principles are considered when handling and restraining the animal before stunning. Furthermore, the stunning itself needs to be effective, as well as the verification that the animal has lost consciousness before the body is further handled.  
  This module provides more comprehensive knowledge about restraining and stunning methods. The quality of the stunning is evaluated by checking if the animal is unconscious. This is crucial to avoid unnecessary suffering. Of equal importance is the knowledge regarding how to act if the stunning is not adequate, i.e. which alternative method to use. It is also important to being able to perform effective stunning of animals which are handled outside the regular routines, such as emergency killings and killing during unexpected breaks in slaughtering (e.g. technical errors, power outages), or when an animal does not fit the stunning device.  
Swedish flag  According to the Swedish animal welfare legislation, an animal must be rendered unconscious immediately after stunning and remain unconscious until and throughout bleeding. Further steps in the slaughter process are not permitted before the animal is confirmed dead.
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