Jovanovic et al., 1977. Anim. Feed Sci. Technol., 2: 351-360 Document reference Jovanovic, M.; Cuperlovic, M., 1977. Nutritive value of rumen contents for monogastric animals. Anim. Feed Sci. Technol., 2: 351-360Web https://doi.org/10.1016/0377-8401(77)90007-4Citation key Jovanovic et al., 1977