Updated: 10:28 AM PDT May 6, 2021 KCRA Staff Researchers at UC Davis are conducting an experiment — and it involves sheep.The animals were seen Wednesday grazing along the campus gateway on Old Davis Road.Researchers want to see if the sheep can eat weeds and grass, fertilize and control pests as well as or better than traditional landscaping methods."We can see how effective they are at reducing the grass, see if there is a change in the soil composition," said Haven Kiers, assistant professor of landscape architecture in the College of Agricultural and Environmental...