1. Saeki, M., Hiroshi, O., Yoko, S., et al.: Effects of dietary protein source (soybean meal vs. fishmeal) on body weight gain, rumen contents, digestibility, nitrogen balance and carcass composition of Suffolk whether lambs. Sci. Links Japan 55, 11–12 (2004)
2. Mendel, G., Burkart, M.: Sattese Lammermast mit Wintergerste- Ganzpflanzensilage. Der Bayerische Schafhalter 11, 73–75 (1987)
3. Ruppe, D.M.: Effect of Alternating High and Low Concentrate Diets on Performance of Feedlot Lambs. New Mexico State University Agr Exp Station Res. Report 520, pp. 1–5 (1984)
4. Rodriguez, A.B., Bodas, R., Fernandez, B., et al.: Feed intake and performance of growing lambs raised on concentrate-based diets under cafeteria feeding systems. Animal 1(3), 459–466 (2007). https://doi.org/10.1017/S1751731107683803
5. Sahin, A., Keskin, M., Bicer, O., Gul, S.: Diet selection by AWASSI lambs fed individually in a cafeteria feeding systems. Livest. Prod. Sci. 82, 163–170 (2003). https://doi.org/10.1016/S0301-6226(03)00030-7