The sight of cows drinking out of a stream on a hot summer day may seem picturesque, but livestock can pollute water and erode the stream banks. Host Joe Ligo shows how water troughs can help protect both cattle and streams from getting messy. https://www.mpt.org/programs/farm/ https://video.mpt.tv/show/maryland-farm-harvest/ https://www.facebook.com/MarylandFarmHarvest https://twitter.com/mdfarmtv https://www.instagram.com/mdfarmtv/ Episode 803