APPARATUS FOR PREVENTION OF TASTING PIGS TO BE HELD IN PIG BREEDING COMPANIES, AND THE APPLICATION'S USE AS A MESSAGE DEVELOPMENT AT THE BIRTH OF THE MOTHER'S FOOD PROGRESS

摘要

Apparatus for preventing shoats from being crushed to death in hog breeding operations with at least one microphone associated with a farrowing pen accommodating the dam and the shoat, a noise detector which is connected to the microphone and which releases an electrical pulse based upon a stored acoustic signal serving as a comparison signal, and with a warning unit adapted to be actuated by the pulse released by the said noise detector. This apparatus may be used as a device for indicating the onset of the dam's birthing procedure.