New UC Cooperative Extension Study Examines Dried-On-The-Vine (DOV) Raisin Production Costs. Two new economic studies from the University of California Cooperative Extension (UCCE) are now available for raisin growers interested in producing dried-on-the-vine (DOV) raisins. These studies are available at the UCCE Madera Office. They are also downloadable at http://coststudies.ucdavis.edu.