求翻译：　　“这个喂食器最大的好处,就是鸡鸭在吃食的时候,吃多少就淌多少,不吃可以自动关闭。”刘其军说,由于食物都是封闭的,除了可以有效避免浪费粮食外,还避免了暴露在外引起的细菌感染,鸭子不易得传染病。更让刘其军得意的是,用这个喂食器,一次可倒进120公斤料,够2000只鸭子吃三天。而以前,差不多两个小时就得喂食一次,别提多麻烦了。是什么意思？

"Feeder biggest benefit is that when chickens and ducks in eating, eat as much as they liked how much, do not eat can automatically shut down." Said Liu Qijun, because the food is closed, can effectively avoid wasting food, but also to avoid exposed due to bacterial infection, a duck is not easy to