1WardropI D, Coombe J B. The post - natal growth ofthe visceral organs of the lamb,The growth of thevisceral organs of the grazing lamb from birth to six-teen weeks of age. JA. SCI. , 1960 (54) : 140 - 143.
4ZitnanR, Voigt J, Schonhusen U,et al. Influence ofDietary Concentrate to Forage Ratio on the Develop-ment of Rumen Mucosa in Calves. Arch. Tieremahr,1998,51 (4):279 - 291.
8SangildP T, Fowden A L, Trahair J F. How does thefotal gastrointestinal tract develop inpreparation forenteral nutrition after birth. Livest Prod. Sci. , 2000,66 (2):141 -150.
9HettyM G. Weaning and the weanling diet influencethe villous height and crypt depth in the small intes-tine of pigs and alter the concentrations of short -chain fatty acids in the large intestine and blood. J.Nutr. ,1988(76) :947 -953.
