Iraira, S. P., A. Madruga, M. Pérez-Juan, J. L. Ruíz-de-la-Torre, M. Rodríguez-Prado, S. Calsamiglia, X. Manteca, and A. Ferret. “Performance, Behaviour and Meat Quality of Beef Heifers Fed Concentrate and Straw Offered As Total Mixed Ration or Free-Choice”. Spanish Journal of Agricultural Research, Vol. 13, no. 4, Dec. 2015, p. e0610, doi:10.5424/sjar/2015134-8003.