Evaluation of the effects of synchronising the availability of N and energy on rumen function and production responses of dairy cows – a review Ana Rita Jordão Cabrita, Richard James Dewhurst, José Manuel Fernandes Abreu and António José Mira FonsecaAnim. Res., 55 1 (2006) 1-24DOI: https://doi.org/10.1051/animres:2005045