1. Aherne, F.X., Foxcroft, G.R., Pettigrew, J.E., 1999. Nutrition of the Sow. In: Straw, B.E., D’Allaire, S., Mengeling, W.L., Taylor, D.J. (Eds.), Diseases of Swine, Iowa State University Press, Ames, IA, pp. 1029–1043.
2. Effect of lactation feed intake on endocrine status and metabolite levels in sows;Baidoo;Can. J. Anim. Sci.,1992
3. tissue effects of glucocorticoids;Baxter;Am. J. Med.,1972
4. Metabolic influence on hypothalamic-pituitary-ovarian function in the pig;Booth;J. Repr. Fertil.,1990
5. Cochran, W.J., Cox, G.W., 1968. Experimental Designs. Wiley, New York, NY.