FIELD: agriculture.
SUBSTANCE: group of inventions intended for usage in poultry-processing industry. Method of controlling bird gas stun, in which a group of birds is moved in and out of a stunning area and where for optimum stunning concentration stunning gas in stunning area is measured and regulated. Gas concentration is measured at several measurement points in stunning area and visual observation of birds is carried out in two or more measurement points by means of visual observation, for example a chamber which moves into stunning area together with a group of birds. Group of birds is preferably held cells. Device for visual observation can be part of control device, additionally a containing gas sensor, wherein said control device is used for simultaneous measurement of concentration of stun gas and observation of birds in two or more control points.
EFFECT: invention enables to optimise process of stunning and provide minimum discomfort for each stunned bird.
16 cl, 3 dwg
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