2009-06-242009-06-241979https://hdl.handle.net/10365/5229The article is a review for the Hei-Gro device that was to be inserted into a a heifer's vaginal area. the company claimed that this device would increase carcass weight and carcass value of crossbred heifers. Two feeding trials at the Dickinson Experiment Station failed to show any advantages with this device.North Dakota State UniversityFeedsLivestock productionArticle