Nielsen, T. T., N. L. Trottier, H. H. Stein, C. Bellaver, and R. A. Easter. 2002. Effect of litter size and day of lactation on amino acid uptake by the porcine mammary glands. J. Anim. Sci. 80(Suppl. 1):131 (Abstr.)
Nielsen, T. T., N. L. Trottier, C. Bellaver, H. H. Stein, and R. A. Easter. 1996. Effect of litter size on mammary gland amino acid uptake in lactating sows. Livestock Prod. Sci. 50:167-168 (Abstr.) Link to abstract (.pdf)
Nielsen, T. T., N. L. Trottier, C. Bellaver, H. H. Stein, and R. A. Easter. 2002. Effect of litter size on mammary gland amino acid uptake in lactating sows. J. Anim. Sci. 80:2402-2411. Link to full text (.pdf)
Stein, H. H., N. L. Trottier, C. Bellaver, and R. A. Easter. 1999. The effect of feeding level and physiological status on total flow and amino acid composition of endogenous protein at the distal ileum in swine. J. Anim. Sci. 77:1180-1187. Link to full text (.pdf)