Lineweaver, Joseph A.2015-08-052015-08-051980-01http://hdl.handle.net/10919/55455Excessive days open cost Virginia dairymen an estimated $92.21 per cow during the 1978-79 DHI year. That means that during last year the loss for Virginia's 136,000 Grade "A" cows was $12,540,000. The three following pages summarize the analysis conducted on 877 herds completing the 1978-79 DHI year. Page two gives the analysis by DHI Association and pages three and four are by county.4 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.LD5655.A762Dairying -- PeriodicalsDairy cattle -- PeriodicalsExtension publicationMilk production costs