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Basic and Applied Ruminant Nutrition


1986 to 1990

  1. Fox, D. G., C. J. Sniffen, and J. D. O'Connor. 1988. Adjusting nutrient requirements of beef cattle for animal and environmental variations. J Anim Sci. 66:1475-1495.

1991 to 1995

  1. Fox, D. G., C. J. Sniffen, J. D. O'Connor, J. B. Russell, and P. J. Van Soest. 1992. A net carbohydrate and protein system for evaluating cattle diets: III. Cattle requirements and diet adequacy. J Anim Sci. 70:3578-3596.
  2. Russell, J. B., J. D. O'Connor, D. G. Fox, P. J. Van Soest, and C. J. Sniffen. 1992. A net carbohydrate and protein system for evaluating cattle diets: I. Ruminal fermentation. J Anim Sci. 70:3551-3561.
  3. Sniffen, C. J., J. D. O'Connor, P. J. Van Soest, D. G. Fox, and J. B. Russell. 1992. A net carbohydrate and protein system for evaluating cattle diets: II. Carbohydrate and protein availability. J Anim Sci. 70:3562-3577.
  4. Ainslie, S. J., D. G. Fox, T. C. Perry, D. J. Ketchen, and M. C. Barry. 1993. Predicting amino acid adequacy of diets fed to Holstein steers. J Anim Sci. 71(5):1312-1319.
  5. O'Connor, J. D., C. J. Sniffen, D. G. Fox, and W. Chalupa. 1993. A net carbohydrate and protein system for evaluating cattle diets: IV. Predicting amino acid adequacy. J Anim Sci. 71:1298-1311.
  6. Lana, R. P., D. G. Fox, J. B. Russell, and T. C. Perry. 1997. Influence of monensin on Holstein steers fed high-concentrate diets containing soybean meal or urea. J Anim Sci. 75(10):2571-2579.
  7. Mertens, D. R. 1997. Creating a system for meeting the fiber requirements of dairy cows. J Dairy Sci. 80(7):1463-1481.

1996 to 2000

  1. Pitt, R. E., J. S. Van Kessel, D. G. Fox, A. N. Pell, M. C. Barry, and P. J. Van Soest. 1996. Prediction of ruminal volatile fatty acids and pH within the net carbohydrate and protein system. J Anim Sci. 74(1):226-244.
  2. Van Kessel, J. S. and J. B. Russell. 1996. The effect of amino nitrogen on the energetics of ruminal bacteria and its impact on energy spilling. J Dairy Sci. 79:1237-1243.
  3. Pitt, R. E. and A. N. Pell. 1997. Modeling ruminal pH fluctuations: interactions between meal frequency and digestion rate. J Dairy Sci. 80(10):2429-2441.
  4. Roseler, D. K., D. G. Fox, L. E. Chase, A. N. Pell, and W. C. Stone. 1997. Development and evaluation of equations for prediction of feed intake for lactating Holstein dairy cows. J Dairy Sci. 80(5):878-893.
  5. Fox, D. G. and T. P. Tylutki. 1998. Accounting for the effects of environment on the nutrient requirements of dairy cattle. J Dairy Sci. 81(11):3085-3095.
  6. Fox, D. G., M. E. Van Amburgh, and T. P. Tylutki. 1999. Predicting requirements for growth, maturity, and body reserves in dairy cattle. J Dairy Sci. 82(9):1968-1977.
  7. Tedeschi, L. O., D. G. Fox, L. E. Chase, and S. J. Wang. 2000a. Whole-herd optimization with the Cornell net carbohydrate and protein system. I. Predicting feed biological values for diet optimization with linear programming. J Dairy Sci. 83:2139-2148.
  8. Tedeschi, L. O., D. G. Fox, and J. B. Russell. 2000b. Accounting for the effects of a ruminal nitrogen deficiency within the structure of the Cornell net carbohydrate and protein system. J Anim Sci. 78:1648-1658.
  9. Tedeschi, L. O., D. G. Fox, and J. B. Russell. 2000c. Accounting for ruminal deficiencies of nitrogen and branched-chain amino acids in the structure of the Cornell net carbohydrate and protein system. Proceedings of Cornell Nutrition Conference for Feed Manufacturers, Rochester, NY:224-238.

2001 to 2005

  1. Ruiz, R., G. L. Albrecht, L. O. Tedeschi, G. Jarvis, J. B. Russell, and D. G. Fox. 2001. Effect of monensin on the performance and nitrogen utilization of lactating dairy cows consuming fresh forage. J Dairy Sci. 84:1717-1727.
  2. Tedeschi, L. O., A. N. Pell, D. G. Fox, and C. R. Llames. 2001. The amino acid profiles of the whole plant and of four residues from temperate and tropical forages. J Anim Sci. 79:525-532.
  3. Mertens, D. R. 2002. Measuring fiber and its effectiveness in ruminant diets. in Proc. Plains nutrition conference, San Antonio, TX.
  4. Muscato, T. V., L. O. Tedeschi, and J. B. Russell. 2002. The effect of ruminal fluid preparations on the growth and health of new-born, milk-fed dairy calves. J. Dairy Sci. 85:648-656.
  5. Tedeschi, L. O., C. Boin, D. G. Fox, P. R. Leme, G. F. Alleoni, and D. P. D. Lanna. 2002a. Energy requirement for maintenance and growth of Nellore bulls and steers fed high-forage diets. J Anim Sci. 80:1671-1682.
  6. Chalupa, W. and R. Boston. 2003. Development of the CNCPS and CPM models: The Sniffen affect. Pages 15-24 in Proceedings of Cornell Nutrition Conference for Feed Manufacturers, Syracuse, NY. New York State College of Agriculture & Life Sciences, Cornell University.
  7. Fox, D. G. and L. O. Tedeschi. 2003. Predicting dietary amino acid adequacy for ruminants. Pages 389-410 in Amino Acids in Animal Nutrition. J. P. F. D'Mello, ed. CABI Publishing, Cambridge, MA.
  8. Cannas, A., L. O. Tedeschi, D. G. Fox, A. N. Pell, and P. J. Van Soest. 2004. A mechanistic model for predicting the nutrient requirements and feed biological values for sheep. J. Anim Sci. 82(1):149-169.
  9. Fox, D. G., L. O. Tedeschi, T. P. Tylutki, J. B. Russell, M. E. Van Amburgh, L. E. Chase, A. N. Pell, and T. R. Overton. 2004. The Cornell Net Carbohydrate and Protein System model for evaluating herd nutrition and nutrient excretion. Anim. Feed Sci. Technol. 112(1-4):29-78.

2006 to 2010

  1. Cannas, A., L. O. Tedeschi, A. S. Atzori, and D. G. Fox. 2006. Prediction of energy requirements for growing sheep with the Cornell Net Carbohydrate and Protein System. Pages 99-113 in Modeling Nutrient Utilization in Farm Animals. J. Dijkstra, ed. CABI Publishing, Cambridge, MA.
  2. Tedeschi, L. O., S. Seo, D. G. Fox, and R. Ruiz. 2006. Accounting for energy and protein reserve changes in predicting diet-allowable milk production in cattle. J. Dairy Sci. 89:4795-4807.
  3. Chizzotti, M. L., S. C. Valadares Filho, L. O. Tedeschi, F. H. M. Chizzotti, and G. E. Carstens. 2007. Energy and protein requirements for growth and maintenance of F1 Nellore x Red Angus bulls, steers, and heifers. Journal of Animal Science. 85:1971-1981.
  4. Fernandes, M. H. M. R., K. T. Resende, L. O. Tedeschi, J. S. Fernandes, Jr., H. M. Silva, G. E. Carstens, T. T. Berchielli, I. A. M. A. Teixeira, and L. Akinaga. 2007. Energy and protein requirements for maintenance and growth of Boer crossbred kids. J. Anim. Sci. 85:1014-1023.
  5. Seo, S., C. Lanzas, L. O. Tedeschi, and D. G. Fox. 2007. Development of a mechanistic model to represent the dynamics of liquid flow out of the rumen and to predict rate of passage of liquid in dairy cattle. J. Dairy Sci. 90:840-855.
  6. Tedeschi, L. O., D. G. Fox, and J. B. Russell. 2007. Development of mathematical models to estimate animal performance and feed biological values. Pages 223-252 in International Symposium of Advances in Research Techniques for Ruminant Nutrition, 1, Pirassununga, SP, Brazil. Studium 5D Marketing e Comunicação.
  7. Vieira, R. A. M., L. O. Tedeschi, and A. Cannas. 2007a. A generalized model for describing fiber dynamics in the ruminant gastrointestinal tract. 1. The heterogeneity of the pool of fiber particles in the ruminoreticulum. 2007 Beef Cattle Report in Texas. Texas A&M University, College Station, TX. 97-102 p.
  8. Vieira, R. A. M., L. O. Tedeschi, and A. Cannas. 2007b. A generalized model for describing fiber dynamics in the ruminant gastrointestinal tract. 2. Accounting for heterogeneous pools in the ruminoreticulum. 2007 Beef Cattle Report in Texas. Texas A&M University, College Station, TX. 103-110 p.
  9. Vieira, R. A. M., L. O. Tedeschi, and A. Cannas. 2007c. A generalized model for describing fiber dynamics in the ruminant gastrointestinal tract. 3. Estimating digestion-related kinetic parameters. 2007 Beef Cattle Report in Texas. Texas A&M University, College Station, TX. 111-120 p.
  10. Chizzotti, F. H. M., O. G. Pereira, L. O. Tedeschi, S. C. Valadares Filho, M. L. Chizzotti, M. I. Leão, and D. H. Pereira. 2008. Effects of dietary nonprotein nitrogen on performance, digestibility, ruminal characteristics, and microbial efficiency in crossbred steers. Journal of Animal Science. 86:1173-1181.
  11. Fernandes, M. H. M. R., K. T. Resende, L. O. Tedeschi, J. S. Fernandes, Jr., I. A. M. A. Teixeira, G. E. Carstens, and T. T. Berchielli. 2008. Predicting the chemical composition of the body and the carcass of 3/4 Boer x 1/4Saanen kids using body components. Small Ruminant Research. 75:90-98.
  12. Tylutki, T. P., D. G. Fox, V. M. Durbal, L. O. Tedeschi, J. B. Russell, M. E. Van Amburgh, T. R. Overton, L. E. Chase, and A. N. Pell. 2008. Cornell net carbohydrate and protein system; A model for precision feeding of dairy cattle. Anim. Feed Sci. Technol. 143:174-202.

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Growth and Development


1981 to 1985

  1. Fox, D. G. and J. R. Black. 1984. A system for predicting body composition and performance of growing cattle. J Anim Sci. 58(3):725-739.

1986 to 1990

  1. Abdalla, H. O., D. G. Fox, and M. L. Thonney. 1988. Compensatory gain by Holstein calves after under feeding protein. J Anim Sci. 66:2687-2695.
  2. Rayburn, E. B. and D. G. Fox. 1990. Predicting growth and performance of Holstein steers. J Anim Sci. 68:788-798.

1991 to 1995

  1. Perry, T. C., D. G. Fox, and D. H. Beermann. 1991. Effect of an implant of trenbolone acetate and estradiol on growth, feed efficiency, and carcass composition of Holstein and beef steers. J Anim Sci. 69:4696-4702.
  2. Tylutki, T. P., D. G. Fox, and R. G. Anrique. 1994. Predicting net energy and protein requirements for growth of implanted and nonimplanted heifers and steers and nonimplanted bulls varying in body size. J Anim Sci. 72:1806-1813.

1996 to 2000

  1. Perry, T. C. and D. G. Fox. 1997.Predicting carcass composition and individual feed requirement in live cattle widely varying in body size. J Anim Sci. 75:300-307.

2001 to 2005

  1. Fox, D. G., L. O. Tedeschi, and P. J. Guiroy. 2001a. Determining feed intake and feed efficiency of individual cattle fed in groups. Pages 80-98 in Beef Improvement Federation, San Antonio, TX.
    Fox, D. G., L. O. Tedeschi, and P. J. Guiroy. 2001b. A decision support system for individual cattle management. Pages 64-76 in Proc. Cornell Nutr. Conf. Feed Manuf., Rochester, NY. Cornell University, Ithaca, NY.
  2. Fox, D. G., L. O. Tedeschi, and M. J. Baker. 2002a. Determining post-weaning efficiency of beef cattle. Pages 44-66 in Beef Improvement Federation, 34th, Omaha, NE.
  3. Guiroy, P. J., L. O. Tedeschi, D. G. Fox, and J. P. Hutcheson. 2002. The effects of implant strategy on finished body weight of beef cattle. J Anim Sci. 80:1791-1800.
  4. Tedeschi, L. O., D. G. Fox, and P. J. Guiroy. 2004a. A decision support system to improve individual cattle management. 1. A mechanistic, dynamic model for animal growth. Agric. Syst. 79:171-204.
  5. Abdelsamei, A. H., D. G. Fox, L. O. Tedeschi, M. L. Thonney, D. J. Ketchen, and J. R. Stouffer. 2005. The effect of milk intake on forage intake and growth of nursing calves. J. Anim. Sci. 83:940-947.

2006 to 2010

  1. Baker, M. J., L. O. Tedeschi, D. G. Fox, W. R. Henning, and D. J. Ketchen. 2006. Using ultrasound measurements to predict body composition of yearling bulls. J. Anim. Sci. 84:2666-2672.
  2. Carstens, G. E. and L. O. Tedeschi. 2006. Defining feed efficiency in beef cattle. Pages 12-21 in Beef Improvement Federation, 38, Choctaw, Mississippi.
  3. Tedeschi, L. O. and D. G. Fox. 2006. Using mathematical nutrition models to improve beef cattle efficiency. 2006 Beef Cattle Report in Texas. Texas A&M University, College Station, TX. 95-103 p.
  4. Tedeschi, L. O., M. L. Chizzotti, D. G. Fox, and G. E. Carstens. 2006a. Using mathematical nutrition models to improve beef cattle efficiency. Pages 461-484 in International Symposium of Beef Production, V, Viçosa, MG, Brazil. Suprema Gráfica e Editora Ltda.
  5. Tedeschi, L. O., D. G. Fox, M. J. Baker, and D. P. Kirschten. 2006b. Identifying differences in feed efficiency among group-fed cattle. J. Anim. Sci. 84:767-776.
  6. Tedeschi, L. O., D. G. Fox, M. J. Baker, and K. Long. 2006c. A model to evaluate beef cow efficiency. Pages 84-98 in Nutrient Digestion and Utilization in Farm Animals: Modeling Approaches. E. Kebreab, J. Dijkstra, A. Bannink, W. J. J. Gerrits and J. France, ed. CABI Publishing, Cambridge, MA.
  7. Vasconcelos, J. T., L. O. Tedeschi, J. E. Sawyer, and L. W. Greene. 2007. Application of mathematical models to individually allocate feed of group-fed cattle. Professional Animal Scientist.23:340-348.
  8. Ribeiro, F. R. B., L. O. Tedeschi, J. R. Stouffer, and G. E. Carstens. 2008. Technical note: A novel technique to assess internal body fat of cattle by using real-time ultrasound. Journal of Animal Science. 86:763-737.

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Feedstuffs


1996 to 2000

  1. Doane, P. H., A. N. Pell, and P. Schofield. 1997a. The effect of preservation method on the neutral detergent soluble fraction of forages. J Anim Sci. 75(4):1140-1148.
  2. Doane, P. H., P. Schofield, and A. N. Pell. 1997b. Neutral detergent fiber disappearance and gas and volatile fatty acids production during the in vitro fermentation of six forages. J Anim Sci. 75:3342-3352.
  3. Doane, P. H., A. N. Pell, and P. Schofield. 1998. Ensiling effects on the ethanol fractionation of forages using gas production. J Anim Sci. 76:888-895.
  4. Traxler, M. J., D. G. Fox, P. J. Van Soest, A. N. Pell, C. E. Lascano, D. P. D. Lanna, J. E. Moore, R. P. Lana, M. Velez, and A. Flores. 1998. Predicting forage indigestible NDF from lignin concentration. J Anim Sci. 76:1469-1480.
  5. Chen, Y. K., A. N. Pell, L. E. Chase, and P. Schofield. 1999. Rate and extent of digestion of the ethanol-soluble and neutral detergent-insoluble fractions of corn grain. J Anim Sci. 77:3077-3083.
  6. Juarez-Lagunes, F. I., D. G. Fox, R. W. Blake, and A. N. Pell. 1999. Evaluation of tropical grasses for milk production by dual-purpose cows in tropical Mexico. J Dairy Sci. 82(10):2136-2145.
  7. Van Soest, P. J., M. E. Van Amburgh, and L. O. Tedeschi. 2000. Rumen balance and rates of fiber digestion. Proceedings of Cornell Nutrition Conference for Feed Manufacturers, Rochester, NY:150-166.

2001 to 2005

  1. Tedeschi, L. O., D. G. Fox, A. N. Pell, D. P. D. Lanna, and C. Boin. 2002b. Development and evaluation of a tropical feed library for the Cornell Net Carbohydrate and Protein System model. Scientia Agricola. 59:1-18.

2006 to 2010

  1. Tedeschi, L. O., D. G. Fox, and P. H. Doane. 2005a. Evaluation of the tabular feed energy and protein undegradability values of the National Research Council nutrient requirements of beef cattle. The Professional Animal Scientist. 21:403-415.
  2. Seo, S., L. O. Tedeschi, C. G. Schwab, and D. G. Fox. 2006a. Development and evaluation of empirical equations to predict feed passage rate in cattle. Anim. Feed Sci. Technol. 128:67-83.
  3. Seo, S., L. O. Tedeschi, C. G. Schwab, and D. G. Fox. 2006b. Evaluation of the passage rate equations in the 2001 Dairy NRC Model. J. Dairy Sci. 89:2327-2342.
  4. Lanzas, C., D. G. Fox, and A. N. Pell. 2007a. Digestion kinetics of dried cereal grains. Anim. Feed Sci. Technol. 136:265-280.
  5. Lanzas, C., C. J. Sniffen, S. Seo, L. O. Tedeschi, and D. G. Fox. 2007b. A revised CNCPS feed carbohydrate fractionation scheme for formulating rations for ruminants. Anim. Feed Sci. Technol. 136:167-190.
  6. Lanzas, C., L. O. Tedeschi, S. Seo, and D. G. Fox. 2007c. Evaluation of protein fractionation systems used in formulating rations for dairy cattle. J. Dairy Sci. 90:507-521.

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Environment and Nutrient Management


1996 to 2000

  1. Bannon, C. D. and S. D. Klausner. 1997. Application of the Cornell Nutrient Management Planning System: Predicting crop requirements and optimum manure management. Proc. Cornell Nutr. Conf. Feed Manuf., Rochester, NY:36-44.
  2. Kilcer, T. F. 1997. Application of the Cornell Nutrient Management Planning System: Optimizing crop rotations. Proc. Cornell Nutr. Conf. Feed Manuf., Rochester, NY:45-53.
  3. Tylutki, T. P. and D. G. Fox. 1997. Application of the Cornell Nutrient Management Planning System: Optimizing herd nutrition. Proceedings of Cornell Nutrition Conference for Feed Manufacturers, Rochester, NY:54-65.
  4. Hutson, J. L., R. E. Pitt, R. K. Koelsch, J. B. Houser, and R. J. Wagenet. 1998. Improving dairy farm sustainability II: Environmental losses and nutrient flows. J Prod Agric. 11(2):233-239.
  5. Klausner, S. D., D. G. Fox, C. N. Rasmussen, R. E. Pitt, T. P. Tylutki, P. E. Wright, L. E. Chase, and W. C. Stone. 1998. Improving dairy farm sustainability I: An approach to animal and crop nutrient management planning. J Prod Agric. 11(2):225-233.
  6. Wang, S.-J., D. G. Fox, D. J. R. Cherney, S. D. Klausner, and D. R. Bouldin. 1999. Impact of dairy farming on well water nitrate level and soil content of phosphorus and potassium. J Dairy Sci. 82:2164-2169.
  7. Tylutki, T. P. and D. G. Fox. 2000. Managing the dairy feeding system to minimize manure nutrients. Northeast Agricultural Engineering Service, Bulletin 130. NRAES, Ithaca, NY. p. 1-16.
  8. Wang, S.-J., D. G. Fox, D. J. R. Cherney, L. E. Chase, and L. O. Tedeschi. 2000a. Whole herd optimization with the Cornell net carbohydrate and protein system. II. Allocating home grown feeds across the herd for optimum nutrient use. J. of Dairy Sci. 83:2149-2159.
  9. Wang, S.-J., D. G. Fox, D. J. R. Cherney, L. E. Chase, and L. O. Tedeschi. 2000b. Whole herd optimization with the Cornell net carbohydrate and protein system. III. Application of an optimization model to evaluate alternatives to reduce nitrogen and phosphorus mass balance. J. of Dairy Sci. 83:2160-2169.

2001 to 2005

  1. Fox, D. G., T. P. Tylutki, G. L. Albrecht, P. E. Cerosaletti, and L. O. Tedeschi. 2002b. Environmental protection and the Cornell University nutrient management planning system: Future perspectives. Proc. of Cornell Nutr. Conf. Feed Manuf., Syracuse, NY:79-98.
  2. Tylutki, T. P., D. G. Fox, and M. Mcmahon. 2002. Implementation of the cuNMPS: development and implementation of alternatives. Pages 57-70 in Proc. Cornell Nutr. Conf. Feed Manuf., Syracuse, NY. Cornell University, Ithaca, NY.
  3. Tylutki, T. P., D. G. Fox, and M. Mcmahon. 2004. Implementation of nutrient management planning on a dairy farm. The Professional Animal Scientist. 20:58-65.

2006 to 2010

  1. Fox, D. G., T. P. Tylutki, L. O. Tedeschi, and P. E. Cerosaletti. 2006. Using a nutrition model to implement the NRCS feed management standard to reduce the environmental impact of a concentrated cattle feeding operation. Page 15 p. in Visions for Animal Agriculture and the Environment, Kansas City, MO. Department of Animal Science at Iowa State University.
  2. Vasconcelos, J. T., L. W. Greene, N. A. Cole, M. S. Brown, F. T. McCollum III, and L. O. Tedeschi. 2006. Effects of phase feeding of protein on performance, blood urea nitrogen concentration, manure nitrogen:phosporus ratio, and carcass characteristics of feedlot cattle. J. Anim. Sci. 84:3032-3038.
  3. Vasconcelos, J. T., L. O. Tedeschi, D. G. Fox, M. L. Galyean, and L. W. Greene. 2007. Review: Feeding nitrogen and phosphorus in beef cattle feedlot production to mitigate environmental impacts. The Professional Animal Scientist. 23:8-17.

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Application of Mathematical Models


1991 to 1995

  1. Roseler, D. K. 1991. The use of nutrition models in the commercial feed industry. Proc Cornell Nutr Conf Feed Manuf, Rochester, NY:66-72.
  2. Stone, W. C., L. E. Chase, and D. G. Fox. 1992. System model in a progressive dairy herd. Proc Cornell Nutr Conf Feed Manuf, Rochester, NY:168-179.
  3. Nicholson, C. F., R. W. Blake, C. I. Urbina, D. R. Lee, D. G. Fox, and P. J. Van Soest. 1994a. Economic comparison of nutritional management strategies for Venezuelan dual-purpose cattle systems. J Anim Sci. 72:1680-1696.
  4. Nicholson, C. F., D. R. Lee, R. N. Boisvert, R. W. Blake, and C. I. Urbina. 1994b. An optimization model of the dual-purpose cattle production system in the humid lowlands of Venezuela. Agric Sys. 46:311-334.
  5. Fox, D. G., M. C. Barry, R. E. Pitt, D. K. Roseler, and W. C. Stone. 1995. Application of the Cornell net carbohydrate and protein model for cattle consuming forage. J Anim Sci. 73:267-277.

1996 to 2000

  1. Cerosaletti, P. E., D. G. Fox, L. E. Chase, A. N. Pell, and W. A. Knoblauch. 1998. Application of the Cornell net carbohydrate and protein system on a pasture-based dairy farm. Proc Cornell Nutr Conf Feed Manuf, Rochester, NY:197-211.

2001 to 2005

  1. Fox, D. G. and L. O. Tedeschi. 2002. Application of physically effective fiber in diets for feedlot cattle. Pages 67-81 in Proc. Plains nutrition conference, San Antonio, TX.
  2. Rueda-Maldonato, B. L., R. W. Blake, C. F. Nicholson, D. G. Fox, L. O. Tedeschi, A. N. Pell, E. C. M. Fernandes, J. F. Valentim, and J. C. Carneiro. 2003. Production and economic potentials of cattle in pasture-based systems of the western Amazon region of Brazil. J. Anim Sci. 81(12):2923-2937.
  3. Tedeschi, L. O., D. G. Fox, and T. P. Tylutki. 2003. Potential environmental benefits of ionophores in ruminant diets. J. Environ. Qual. 32:1591-1602.
  4. Cerosaletti, P. E., D. G. Fox, and L. E. Chase. 2004. Phosphorus reduction through precision feeding of dairy cattle. J. Dairy Sci. 87:2314-2323.
  5. Lana, R. P., R. H. T. B. Goes, L. M. Moreira, A. B. Mâncio, D. M. Fonseca, and L. O. Tedeschi. 2005. Application of Lineweaver-Burk data transformation to explain animal and plant performance as a function of nutrient supply. Livest. Prod. Sci. 98:219-224.

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Model Evaluation


1991 to 1995

  1. Knowlton, K. F., R. E. Pitt, and D. G. Fox. 1992. Dynamic model prediction of the value of reduced solubility of alfalfa silage protein for lactating dairy cows. J Dairy Sci. 75:1507-1516.
  2. Knowlton, K. F., R. E. Pitt, and D. G. Fox. 1993. Model-predicted value of enzyme-treated alfalfa silage for lactating dairy cows. J Prod Agric. 6(2):280-286.
  3. Traxler, M. J., D. G. Fox, T. C. Perry, R. L. Dickerson, and D. L. Williams. 1995. Influence of roughage and grain processing in high-concentrate diets on the performance of long-fed Holstein steers. J Anim Sci. 73:1888-1900.

1996 to 2000

  1. Kolver, E. S., M. C. Barry, J. W. Penno, and L. D. Muller. 1996. Evaluation of the Cornell Net Carbohydrate and Protein System for dairy cows fed pasture-based diets. Proceedings of the New Zealand Society of Animal Production:251-254.
  2. Roseler, D. K., D. G. Fox, A. N. Pell, and L. E. Chase. 1997. Evaluation of alternative equations for prediction of intake for Holstein dairy cows. J Dairy Sci. 80(5):864-877.
  3. Van Amburgh, M. E., D. G. Fox, D. M. Galton, D. E. Bauman, and L. E. Chase. 1998a. Evaluation of National Research Council and Cornell Net Cabohydrate and Protein Systems for predicting requirements of Holstein heifers. J Dairy Sci. 81:509-526.
  4. Van Amburgh, M. E., D. M. Galton, D. E. Bauman, R. W. Everett, D. G. Fox, L. E. Chase, and H. N. Erb. 1998b. Effects of three prepubertal body growth rates on performance of holstein heifers during first lactation. J Dairy Sci. 81:527-538.
  5. Guiroy, P. J., D. G. Fox, D. H. Beerman, and D. J. Ketchen. 2000. Performance and meat quality of beef steers fed corn-based or bread by-products-based diets. J Anim Sci. 78:784-790.

2001 to 2005

  1. Jonker, J. S., D. G. Fox, L. E. Chase, and D. J. R. Cherney. 2001. Effects of variations in grass protein fractions and degradation rates on metabolizable protein allowable milk production. J. Appl. Animal Res. 20:189-196.
  2. Knaus, W. F., D. H. Beermann, P. J. Guiroy, M. L. Boehm, and D. G. Fox. 2001. Optimization of rate and efficiency of dietary nitrogen utilization through the use of animal by-products and(or) urea and their effects on nutrient digestion in Holstein steers. J Anim Sci. 79:753-760.
  3. Jonker, J. S., D. J. R. Cherney, D. G. Fox, L. E. Chase, and J. H. Cherney. 2002. Orchardgrass versus alfalfa for lactating dairy cattle: Production, digestibility and nitrogen balance. J. Appl. Animal Res. 21:81-92.
  4. Knaus, W. F., D. H. Beermann, L. O. Tedeschi, M. Czajkowski, D. G. Fox, and J. B. Russell. 2002. Effects of urea, isolated soybean protein and blood meal on growing steers fed a corn-based diet. Anim. Feed Sci. Technol. 102:3-14.
  5. Ruiz, R., L. O. Tedeschi, J. C. Marini, D. G. Fox, A. N. Pell, G. Jarvis, and J. B. Russell. 2002. The effect of a ruminal nitrogen (N) deficiency in dairy cows: evaluation of the Cornell net carbohydrate and protein system ruminal N deficiency adjustment. J Dairy Sci. 85:2986-2999.
  6. Tedeschi, L. O., M. J. Baker, D. J. Ketchen, and D. G. Fox. 2002c. Performance of growing and finishing cattle supplemented with a slow-release urea product and urea. Can. J. of Anim. Sci. 82:567-573.
  7. Aquino, D. L., L. O. Tedeschi, C. Lanzas, S. S. Lee, and J. B. Russell. 2003. Evaluation of CNCPS predictions of milk production of dairy cows fed alfalfa silage. Pages 137-150 in Proc. Cornell Nutr. Conf. Feed Manuf., Syracuse, NY. New York State College of Agriculture & Life Sciences, Cornell University.
  8. Knaus, W. F., D. H. Beermann, L. O. Tedeschi, P. J. Guiroy, M. L. Boehm, and D. G. Fox. 2003. Effects of dietary urea and exogenous oestradial-17B on nitrogen utilisation and nutrient digestion in Holstein steers fed a low-protein mixed grass hay-based diet. Can. J. Anim. Sci. 83: 523-531.
  9. Molina, D. O., I. Matamoros, Z. Almeida, L. O. Tedeschi, and A. N. Pell. 2003. Evaluation of the DMI predictions of the Cornell Net Carbohydrate and Protein System model with Holstein and dual-purpose lactating cattle in the tropics. Anim. Feed Sci. Technol. 114:261-278.
  10. Reynoso-Campos, O., D. G. Fox, R. W. Blake, M. C. Barry, L. O. Tedeschi, C. F. Nicholson, H. M. Kaiser, and P. A. Oltenacu. 2004. Predicting nutritional requirements and lactation performance of dual-purpose cows using a continuous model. Agric. Syst. 80:67-83.
  11. Tedeschi, L. O., D. G. Fox, R. D. Sainz, L. G. Barioni, S. R. Medeiros, and C. Boin. 2005b. Using mathematical models in ruminant nutrition. Scientia Agricola. 62:76-91.

2006 to 2010

  1. Tedeschi, L.O., W. Chalupa, E. Janczewski, D. G. Fox, C. J. Sniffen, R. Munson, P. J. Kononoff, and R. Boston. 2008. Evaluation and application of the CPM Dairy nutrition model. J. Agricultural Science. 146:171-182.

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Model Adequacy


1991 to 1995

  1. Hamilton, M. A. 1991. Model validation: an annotated bibliography. Communications in Statistics: Theory & Methods. 20(7):2207-2266.

2001 to 2005

  1. Easterling, R. G. and J. O. Berger. 2002. Statistical foundations for the validation of computer models. Pages 1-28 in Proceedings of the Computer Model Verification and Validation in the 21st Century, Laurel, Maryland. Defense Modeling and Simulation Office.
  2. Sterman, J. D. 2002. All models are wrong: reflections on becoming a system scientist. System Dynamics Review. 18(4):501-531.

2006 to 2010

  1. Tedeschi, L. O. 2006. Assessment of the adequacy of mathematical models. Agric. Syst. 89:225-247.
  2. Boston, R. C., P. A. Wilkins, and L. O. Tedeschi. 2007. Identifiability and Accuracy: Two critical problems associated with the application of models in nutrition and the health sciences. in Mathematical Modeling for Nutrition and Health Sciences. M. Hanigan, ed. Roanoke, VA.

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Theses and Dissertations

  1. Cannas, A. 2000. Sheep and cattle nutrient requirement systems, ruminal turnover, and adaptation of the Cornell Net Carbohydrate and Protein System to sheep. Ph.D. Dissertation, Cornell University, Ithaca.
  2. Tedeschi, L. O. 2001. Development and Evaluation of Models for the Cornell Net Carbohydrate and Protein System: 1. Feed Libraries, 2. Ruminal Nitrogen and Branched-Chain Volatile Fatty Acid Deficiencies, 3. Diet Optimization, 4. Energy Requirement for Maintenance and Growth. Ph.D. Dissertation, Cornell University, Ithaca, NY.
  3. Tylutki, T. P. 2002. Improving herd nutrient management on dairy farms: 1) Daily milk production variance in high producing cows as and indicator of diet nutrient balance. 2) On-farm six sigma quality management of diet nutrient variance. 3) Feedstuff variance on a commercial dairy and the predicted associated milk production variance. 4) A model to predict cattle nitrogen and phosphorus excretion with alternative herd feed programs. 5) Accounting for uncertainty in ration formulation. Ph.D. Dissertation, Cornell University, Ithaca, NY.
  4. Lanzas, C. 2006. Models to Predict Ruminal Carbohydrate and Nitrogen Supply and Nitrogen Excretion in Cattle. Ph.D. Dissertation, Cornell University, Ithaca, NY.
  5. Seo, S. 2006. Development of Models to Predict the Rate of Passage of Digesta out of the Reticulo-Rumen in Dairy Cattle. Ph.D. Dissertation, Cornell University, Ithaca, NY.

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Mimeos

  1. Fox, D. G., T. P. Tylutki, L. O. Tedeschi, M. E. Van Amburgh, L. E. Chase, A. N. Pell, T. R. Overton, and J. B. Russell. 2003. The Net Carbohydrate and Protein System for evaluating herd nutrition and nutrient excretion: Model documentation. Animal Science Mimeograph Series. No. 213. Animal Science Dept., Cornell University, Ithaca, NY. p. 292.
  2. Fox, D. G., L. O. Tedeschi, and M. J. Baker. 2004. Identifying Differences in Efficiency in Beef Cattle. Animal Science Mimeograph Series. No. 225. Animal Science Dept., Cornell University, Ithaca, NY. p. 49.
  3. Tedeschi, L. O., D. G. Fox, and M. J. Baker. 2004b. Unveiling the production efficiency of the beef cow: A systematic approach using nutrition models. Animal Science Mimeograph Series. No. 224. Cornell Cooperative Extension, Corning, NY. 12 p.
  4. Integrating Knowledge to Improve Dairy Farm Sustainability. Animal Science Mimeograph Series. No. 188. Cornell Cooperative Extension, Ithaca, NY. 166 p.

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Extras

  1. Kirkwood, C. W. 1998. System Dynamics Methods: A Quick Introduction. Arizona State University, Phoenix, AZ. (webpage)

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