Immunoglobulin G absorption from pooled maternal colostrum, commercial powder and freeze-dried colostrum by newborn calves Aïssata N'Diaye Wereme, Malgorzata Strabel, Jean-François Grongnet and Michel Piot Anim. Res., 50 4 (2001) 315-323 DOI: 10.1051/animres:2001133