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The Cornell University's history of the development of applied mathematical nutrition models (MNM) has been documented in 2003 by Chalupa and Boston, 2006 by Sniffen, and 2014 by Tedeschi and Fox.

 

Ruminant Nutrition


1981 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 2000

  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. 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.
  7. 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.
  8. 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.
  9. Mertens, D. R. 1997. Creating a system for meeting the fiber requirements of dairy cows. J. Dairy Sci. 80(7):1463-1481.
  10. 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.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. 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 2010

  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. 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.
  7. 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.
  8. 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.
  9. 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.
  10. 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.
  11. 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.
  12. 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.
  13. 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.
  14. 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.
  15. 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.
  16. 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.
  17. 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.
  18. 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.
  19. 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.
  20. 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.
  21. Vieira, R.A.M., Tedeschi, L.O., Cannas, A., 2008. A generalized compartmental model to estimate the fibre mass in the ruminoreticulum. 1. Estimating parameters of digestion. Journal of Theoretical Biology (255) 345-356.
  22. Vieira, R.A.M., Tedeschi, L.O., Cannas, A., 2008. A generalized compartmental model to estimate the fibre mass in the ruminoreticulum. 2. Integrating digestion and passage. Journal of Theoretical Biology (255) 357-368.

2011 to 2020

  1. Tedeschi, L. O., D. G. Fox, M. A. Fonseca, and L. F. L. Cavalcanti. 2015. Invited Review: Models of protein and amino acid requirements for cattle. Rev. Bras. Zootec. 44(3):109-132.

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Growth and Development


1981 to 1990

  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.
  2. 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.
  3. Rayburn, E. B. and D. G. Fox. 1990. Predicting growth and performance of Holstein steers. J. Anim. Sci. 68:788-798.

1991 to 2000

  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.
  3. 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 2010

  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.
  2. 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.
  3. 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.
  4. 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.
  5. 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. (Corrigendum)
  6. 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.
  7. 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.
  8. Carstens, G. E. and L. O. Tedeschi. 2006. Defining feed efficiency in beef cattle. Pages 12-21 in Beef Improvement Federation, 38, Choctaw, Mississippi.
  9. 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.
  10. 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.
  11. 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.
  12. 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.
  13. 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. Prof. Anim. Scient..23:340-348.
  14. Chizzotti, M.L., Tedeschi, L.O., Valadares Filho, S.C. 2008. A meta-analysis of energy and protein requirements for maintenance and growth of Nellore cattle. J. Anim. Sci. 86:1588-1597.
  15. 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.
  16. Rhoades, R. D., C. H. Ponce, S. B. Smith, A. D. Herring, L. O. Tedeschi, D. K. Lunt, D. T. Dean, F. R. B. Ribeiro, C. W. Choi, D. G. Riley, and J. E. Sawyer. 2009. Evaluation of growth-based predictions of carcass fat and marbling at slaughter using ultrasound measurements. Prof. Anim. Scient. 25 (4):434-442.
  17. Marcondes, M. I., L. O. Tedeschi, S. C. Valadares Filho, and M. L. Chizzotti. 2012. Prediction of physical and chemical body compositions of purebred and crossbred Nellore cattle using the composition of a rib section. J. Anim. Sci. 90:1280-1290.

2011 to 2020

  1. Ribeiro, F. R. B., L. O. Tedeschi, R. D. Rhoades, S. B. Smith, S. E. Martin, and S. F. Crouse. 2011. Evaluating the application of dual X-ray energy absorptiometry to assess dissectible and chemical fat and muscle from the 9th-to-11th rib section of beef cattle. Prof. Anim. Scient. 27:472-476.

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Feedstuffs


1981 to 1990

  1. Abdalla, H. O., D. G. Fox, and R. R. Seaney. 1988a. Variation in protein and fiber fractions in pasture during the grazing season. J. Anim. Sci. 66:2663-2667.
  2. Abdalla, H. O., D. G. Fox, and R. R. Seaney. 1988b. Protein distribution in four cool-season grass varieties alone or in combination with trefoil. J. Anim. Sci. 66:2325-2329.
  3. Abdalla, H. O., D. G. Fox, and P. J. Van Soest. 1988c. An evaluation of methods for preserving fresh forage samples before protein fraction determinations. J. Anim. Sci. 66:2646-2649.

1991 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. 75:1140-1148.
  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 2010

  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.
  2. 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. Prof. Anim. Scient.. 21:403-415.
  3. 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.
  4. 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.
  5. Lanzas, C., D. G. Fox, and A. N. Pell. 2007a. Digestion kinetics of dried cereal grains. Anim. Feed Sci. Technol. 136:265-280.
  6. 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.
  7. 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


1991 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 2010

  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. Prof. Anim. Scient.. 20:58-65.
  4. 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.
  5. 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:phosphorus ratio, and carcass characteristics of feedlot cattle. J. Anim. Sci. 84:3032-3038.
  6. 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. Prof. Anim. Scient.. 23:8-17.

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Modeling and Simulation


2000 to 2010

  1. Guimarães, V. P., L. O. Tedeschi, and M. T. Rodrigues. 2009. Development of a mathematical model to study the impacts of production and management policies on the herd dynamics and profitability of dairy goats. Ag. Syst. 101:186-196.
  2. Parsons, D., C. F. Nicholson, R. W. Blake, Q. M. Ketterings, L. Ramírez-Avilés, D. G. Fox, L. O. Tedeschi, and J. H. Cherney. 2010. Development and evaluation of an integrated simulation model for assessing smallholder crop-livestock production in Yucatán, Mexico. Ag. Syst. 104:1-12.
  3. Tedeschi, L. O., A. Cannas, and D. G. Fox. 2010. A nutrition mathematical model to account for dietary supply and requirements of energy and nutrients for domesticated small ruminants: The development and evaluation of the Small Ruminant Nutrition System. Small Ruminant Res. 89:174-184.

2011 to 2020

  1. Tedeschi, L. O., C. F. Nicholson, and E. Rich. 2011. Using System Dynamics modelling approach to develop management tools for animal production with emphasis on small ruminants. Small Ruminant Res. 98:102-110.
  2. Turner, B. L., R. D. Rhoades, L. O. Tedeschi, R. D. Hanagriff, K. C. McCuistion, and B. H. Dunn. 2013. Analyzing ranch profitability from varying cow sales and heifer replacement rates for beef cow-calf production using system dynamics. Ag. Syst. 114:6-14.
  3. Tedeschi, L. O., D. G. Fox, and P. J. Kononoff. 2013. A dynamic model to predict fat and protein fluxes associated with body reserve changes in cattle. J. Dairy Sci. 96(4):2448-2463.
  4. Tedeschi, L. O., C. A. Ramirez-Restrepo, and J. P. Muir. 2014. Developing a conceptual model of possible benefits of condensed tannins for ruminant production. Animal. 8(7):1095-1105.

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Application of Mathematical Models


1991 to 2000

  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.
  6. 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.
  7. Lanna, D. P. D., L. O. Tedeschi, and J. A. Beltrame Filho. 1999. Modelos lineares e não-lineares de uso de nutrientes para formulação de dietas de ruminantes. Scientia Agricola. 56:479-488.

2001 to 2010

  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.
  6. Parsons, D., C. F. Nicholson, R. W. Blake, Q. M. Ketterings, L. Ramírez-Avilés, J. H. Cherney, and D. G. Fox. 2010. Application of a simulation model for assessing integration of smallholder shifting cultivation and sheep production in Yucatán, Mexico. Ag. Syst. 104:13-19.

2011 to 2020

  1. Tedeschi, L. O., T. R. Callaway, J. P. Muir, and R. Anderson. 2011. Potential environmental benefits of feed additives and other strategies for ruminant production. Revista Brasileira de Zootecnia. 40:291-309.

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Model Evaluation


1991 to 2000

  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.
  4. 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.
  5. 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.
  6. 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 Carbohydrate and Protein Systems for predicting requirements of Holstein heifers. J. Dairy Sci. 81:509-526.
  7. 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.
  8. 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 2010

  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.
  12. 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.

2011 to 2020

  1. Tedeschi, L. O., L. F. L. Cavalcanti, M. A. Fonseca, M. Herrero, and P. K. Thornton. 2014. The evolution and evaluation of dairy cattle models for predicting milk production: an agricultural model intercomparison and improvement project (AgMIP) for livestock. Anim. Prod. Sci. 54(12):2052-2067.

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Model Adequacy


1991 to 2000

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

2001 to 2010

  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.
  3. Tedeschi, L. O. 2006. Assessment of the adequacy of mathematical models. Agric. Syst. 89:225-247.
  4. 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. (web page)

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