Effects of rapeseed oil duodenal infusion on dairy cow performances and blood metabolites during early lactation Y. Chilliard, G. Gagliostro, A. Ollier, D. Bauchart, E. Girard, R. Lefaivre, C. Legay, JN Rampon and G. Sauvage Reprod. Nutr. Dev., 30 Suppl. 2 (1990) 229s DOI: 10.1051/rnd:19900850