Patent
1975-12-09
1976-12-14
Pitrelli, John F.
17 1E, A22B 306
Patent
active
039966445
ABSTRACT:
A device for rendering pigs unconscious in an automatic manner comprising a chamber holding one pig at a time, and a conical member arranged to move towards and away from the pig's head and provided with two electrodes whereby an electric current is allowed to flow through the pig's head over a chosen period of time, thus rendering the pig unconscious, said funnel cooperating with a sensor which upon retracting of the funnel from the head of the unconscious pig actuates a trap door through which the pig is removed from said chamber.
REFERENCES:
patent: 904089 (1908-11-01), Shaw
patent: 3081483 (1963-03-01), Hughes
patent: 3703743 (1972-11-01), Schmidt
Adams Bruce L.
Burns Robert E.
Lobato Emmanuel J.
Pitrelli John F.
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