1.Agricultural Research Council. 1981. The nutrient requirements of pigs. Commonwealth Agricultural Bureaux, Slough, Great Britain.
2.American Society of Agricultural Engineers Standards. 1990. Manure production and characteristics. D-384. Amer. Soc. Agric. Engineers, St. Joseph, Michigan, pp. 463–465.
3.Chung, T.K., and Baker, D.H.. 1991. A chemically defined diet for maximal growth in pigs. J. Nutrition 121:979–984.
4.Chung, T.K., and Baker, D.H.. 1992. An improved ideal protein for 10 kg pigs. J. Animal Sci. Midwest Section 1992:71 (Abstract).
5.Cromwell, G.L. 1979. Availability of phosphorus in feedstuffs for swine. In Proc. Distillers Feed Research Conf., Des Moines, Iowa.
6.Cromwell, G.L. 1989. Requirements and biological availability of phosphorus for swine. In Proc. Pitman Moore Nutrition Conf, Des Moines, Iowa.
7.Cromwell, G.L. 1990. Application of phosphorus availability data to practical diet formulation. In Proc. Carolina Swine Nutrition Conf, Raleigh, North Carolina, Nov. 7–8. pp. 55–75.
8.Cromwell, G.L. 1991. Phytase appears to reduce phosphorus in feed, manure. Feedstuffs 63(41):14–16.
9.Ewan, R.C. 1986. Analysis of feeds and feed ingredients—1985. In ISU Swine Research Report 1986. AS-580. Iowa State Univ., Ames. pp. 57–59.
10.Franz, P., Dreyer, D., Romberg, F.J., and Salewski, A.. 1989. Adapted crude protein and amino acid supply decreases N-excretion in fattening pigs—a contribution to environmentfriendly animal production. Schweinezucht und Schweinemast 37:400–402.
11.Fuller, M.F. 1989. Ideal protein: The concept and its application in swine diets. In Proc. Western Nutrition Conf., Winnipeg, Canada, Sept. 13–14.
12.Fuller, M.F. 1990. Optimum dietary amino acid pattern for maintenance and gain of growing swine. In Proc. Carolina Swine Nutrition Conf., Raleigh, North Carolina, Nov. 7–8.
13.Fuller, M.F., and Wang, T.C.. 1990. Digestible ideal protein—a measure of dietary protein value. Pig News and Information 11(3):353–359.
14.Fuller, M.F., Me William, R., Wang, T.C., and Giles, L.R.. 1989. The optimum dietary amino acid pattern for growing pigs. 2. Requirements for maintenance and for tissue protein accretion. British J. Nutrition 62:255–267.
15.Jongbloed, A.W. 1987. Phosphorus in the feeding of pigs. Institute voor Veevoeding Sonderzoek, Lelystad, Netherlands.
16.Jongbloed, A.W., Mroz, Z., and Kemme, P.A.. 1992. The affect of supplementary Aspergillus niger phytase in diets for pigs on concentration and apparent digestibility of dry matter, total phosphorus, and phytic acid in different sections of the alimentary tract. J. Animal Sci. 70:1159–1168.
17.Knabe, D.A. 1991. Bioavailability of amino acids in feedstuffs for swine. In Miller, E.R., Ullrey, D.E., and Lewis, A.J. (eds). Swine Nutrition. Butterworth-Heinemann, Boston, Massachusetts, pp. 327–340.
18.Koch, F. 1990. Amino acid formulation to improve carcass quality and limit nitrogen load in waste. In Proc. Carolina Swine Nutrition Conf., Raleigh, North Carolina, Nov. 7–8. pp. 76–95.
19.Lenis, N.P. 1989. Lower nitrogen excretion in pig husbandry by feeding: Current and future possibilities. Netherlands J. Agric. Sci. 37:61–70.
20.National Research Council. 1988. Nutrient Requirements of Swine (9th rev. ed.). National Academy Press, Washington, D.C.
21.Nelson, T.S., Ferrarra, L.W., and Storer, N.L.. 1968. Phytate phosphorus content of feed ingredients derived from plants. Poultry Sci. 47:1372–1374.
22.Pearce, G.R. 1979. Quality aspects of livestock wastes in relation to their utilization. Agric. Wastes 1:223–226.
23.Peeler, H.T. 1972. Biological availability of nutrients in feeds: Availability of major mineral ions. J. Animal Sci. 35:696–712.
24.Sauer, W., and Ozimek, L.. 1986. Digestibility of amino acids in swine: Results and their practical applications. A review. Livestock Production Sci. 15:367–388.
25.Smith, L.W. 1973. Recycling animal wastes as protein sources. In Alternative Sources of Protein for Animal Production. National Academy of Sciences, Washington, D.C. pp. 146–173.
26.Stevermer, E.J. 1992. ISU Swine Enterprise Records Program. In 1992 Swine Research Report. ASL-R970. Iowa State Univ., Ames. pp. 99–104
27.Wang, T.C., and Fuller, M.F.. 1989. The optimum dietary amino acid pattern for growing pigs. 1. Experiments by amino acid deletion. British J. Nutrition 62:77–89.
28.Welch, J.G., Cordts, R.H., and VanderNoot, G.H.. 1966. Effect of lysine, methionine and tryptophan supplementation upon nitrogen retention of barrows. J. Animal Sci. 25:806–808.