Supplementation with Whole Sunflower Seeds Before Artificial Insemination in Beef Heifers11This research was conducted under cooperative agreement between USDA-ARS and the Montana Agricultural Experiment Station. The USDA-ARS is an equal opportunity/affirmative action employer, and all agency services are available without discrimination. Mention of a proprietary product does not constitute a guarantee or warranty of the product by USDA, Montana Agricultural Experiment Station, or the authors and does not imply its approval to the exclusion of other products that may also be suitable.