ESTRUS DETERMINATION DEVICE FOR SOWS, METHOD FOR DETERMINING ESTRUS OF SOWS, AND PROGRAM FOR DETERMINING ESTRUS OF SOWS

摘要

Provided is a feature for accurately determining estrus of sows without relying on experience or intuition of an observer. This estrus determination device for sows comprises a measuring unit that measures the frequency of waking up and going to sleeping per unit time of a sow kept in a stall, and a determination unit that determines estrus of the sow on the basis of a plurality of said frequencies repeatedly measured by the measuring unit over a set period of time.