Abstract: The present invention relates to a device for measuring the amount of moisture generated in a livestock shelter flooring material and can measure the amount of moisture generated in a flooring material according to the temperature, relative humidity, wind velocity, and flooring material moisture content conditions inside a livestock shelter.

Abstract: The present invention relates to a ventilation system for pig-raising facilities, comprising: a pig house (110) comprising a plurality of pig rooms (a) in which pigs are raised, and comprising an intermediate ceiling (113) and an upper ceiling (115) which are spaced apart from each other; a pit (120) provided at the bottom of the plurality of pig rooms (a); a plurality of roof exhaust fans (140) arranged at positions corresponding to the plurality of pig rooms (a), along the edge regions of the intermediate ceiling (113); and a plurality of air entry slots (150) provided in a plate surface of the intermediate ceiling (113) at constant intervals. At the front surface of the pig house (110), there are provided a lower window (114) which is provided between the intermediate ceiling (113) and the upper ceiling (115) and through which external air is introduced, and an upper window (116) which is provided between the upper ceiling (115) and a roof (112) and through which external air is introduced.