1. From the UMR INRA 914, Physiology of Nutrition and Feeding Control Unit, Institut National Agronomique Paris-Grignon, Paris, France (ML, CB, CL, SD, HF, DT, and CG); Avicenne Hospital, CRNH Ile de France, Gastro-Enterology Unit, Bobigny, France (GA and RB); and Egg and Milk Science and Technology, Milk Technology Research Laboratory Rennes, France (JL and JF)