@article{kaspers_burnette_koger_van kempen_van kempen_2002, title={Separating urine from feces may be key to flexibility}, volume={74}, ISBN={0014-9624}, number={21}, journal={Feedstuffs}, author={Kaspers, B. and Burnette, P. and Koger, J. and Van Kempen, M. and Van Kempen, T.}, year={2002}, pages={11} }