S. Duckett, R. Lacy, J. Andrae, C. Hoveland, J. Bouton, and M. Mccann, “Animal performance, carcass quality and economics of cattle finished after grazing endophyte-infected, endophyte-free or nonergot alkaloid-producing endophyte-infected tall fescue”, NZGA R&P Series, vol. 13, pp. 253–255, Jan. 2007.