45，Bird, A. R., W. J. Croom, Y. K. fan, L.R. Daniel, B. L. Black, B. W. McBride, E. J.Eisen, L.S. Bull and I.L. Taylor. 1994. Jejunal glucose absorption is enhance d byepidermal growth factor. J. Nutr. 124:231
56，Coffey, R. D. and L.Cromwell.1996.The impact of the environment and antimicro bia lagents on the growth response of early weaned pigs to spray-dried porcine plasma.J.Anim.Sci.73:2532
67，Drew,M.D.and B. D. Owen. 1990. The provision of passive immunity to colostr umdeprived piglets by bovine or porcine serum immunoglobulins. Can. J. Anim. Sc i. 68:1277
