Yaghobfar, A., Vincze, L., Boldaji, F., & Csapó, J. (2001). Influence of level of feed input and procedure on metabolisable and endogenous energy loss with adult cockerels. Acta Agraria Kaposváriensis, 5(2), 37-45. https://journal.uni-mate.hu/index.php/aak/article/view/1576