The present invention has a high air-tightness, for example water and molasses to feed rice, with the addition of lactic acid bacteria are suitable for carrying out the anaerobic fermentation, gripping by forklift, etc., placed in the stability of the high silo, and silo It will provide a system. A silo 20 includes a container body 23 of the upper opening, the protruding portion that protrudes from the side of the container body 23 includes a fitting portion 21 including a predetermined protruding shape that is integrally molded on the upper edge portion of the container body 23 31, and a, a lower discharge section 22 for discharging the at least one outside of the inside air and moisture of the container body 23 provided below the container body 23.BACKGROUND 4.【課題】高い気密性を有し、例えば飼料用米に水分や糖蜜、乳酸菌を添加して嫌気性発酵を行うのに好適で、フォークリフト等による把持、載置の安定性の高いサイロ、及びサイロシステムを提供する。【解決手段】サイロ20は、上部開口の容器本体23と、容器本体23の上端縁部分に一体成型された所定の突出形状を含む嵌合部21を含み容器本体23の側面より突出した突出部31と、容器本体23の下方に設けられ容器本体23の内部の空気と水分の少なくともいずれかを外部に排出するための下方排出部22と、を備えている。【選択図】図4
