J. F. Calderón-Cortés, V. M. González-Vizcarra, Y. Pétriz-Celaya, L. C. Pujol, A. Barreras, and A. Plascencia, “Energy value of unfermented dried grape pomace as substitute of alfalfa hay in diets for growing lambs”, Austral j vet sci, vol. 50, no. 1, p. PDF, Jan. 2018.