1. Outlaw, J., Earle, M., Anderson, D. and Richardson, J. (2017) Economic Impact of the Texas Deer Breeding and Hunting Operations.https://texasdeerassociation.com/wp-content/uploads/2017/06/Economic-Impact-Texas-Deer-Breeding-and-Hunting-Operations.pdf
2. National Academies of Sciences, Engineering and Medicine (2016) Nutrient Requirements of Beef Cattle. 8th Edition, The National Academies Press, Washington DC.
3. National Research Council (2007) Nutrient Requirements of Small Ruminants: Sheep, Goats, Cervids, and New World Camelids. The National Academies Press, Washington DC.
4. Effect of dietary copper and zinc concentrations on white-tailed deer antler growth, body size, and immune system function
5. Gressley, T. (2009) Zinc, Copper, Manganese, and Selenium in Dairy Cattle Rations. Proceedings of the 7th Annual Mid-Atlantic Nutrition Conference, College Park, MD, 20742.