Effects of the addition of water-filled bladders or volatile fatty acids to the rumen on the feeding behaviour in lactating dairy cows at different stages of lactation P. Faverdin, T. Aubert, JL Peyraud and BP WidyobrotoAnn. Zootech., 42 2 (1993) 186DOI: https://doi.org/10.1051/animres:19930252