So many hogs falls down drains and it so avoidable --willows rescue have been out all night on such a call .Please cover drains--every year we get hogs that have been stuck in them--and they are the lucky ones --smaller hogs dont stand a chance --and even if they get picke d out they are often in a bad way We had a baby last year whose feet had turned purple --he was found in a drainage hole at the side of a very busy road --keep alook out and please get the drain cover s on .