College of Agriculture and Food Science
Institute of Animal Science
College of Agriculture and Food Science
Institute of Animal Science
Sulabo, Rommel C.
Professor 12

Biosketch

Dr. Sulabo is actively working towards the advancement of animal science in the country. He has published more than 50 notable scholarly outputs as author and co-author in both ISI and non-ISI journals. Some of his notable awards include the Outstanding Young Scientist for Animal Science Award (NAST-DOST, 2014), the Outstanding Animal Nutritionist Award (PSAS-Philchema, Inc., 2017), and the most recent Distinguished Researcher in Animal Science Award (PSAS, 2019). As a seasoned scholar, Dr. Sulabo is listed in the World Scientist and University Rankings 2022 of the Alper-Doger Scientific Index. He is the Top 1 scientist in the Philippines for Animal Science, Top 2 in Asia, and Top 241 in the world. The AD Scientific Index is a ranking and analysis system based on the scientific performance and the added value of the scientific productivity of individual scientists.

[email protected]

Fields of Specialization

Swine Nutrition

Educational Background

  • Post-Doctorate, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
  • Post-Doctorate, Kansas State University, Manhattan, Kansan, USA
  • Doctor of Philosophy in Animal Science (Swine Nutrition), Kansas State University, Manhattan, Kansas, USA
  • Master of Science in Animal Science (Swine Nutrition, minor in Physiology), South Dakota State University, Brookings, South Dakota, USA
  • Bachelor of Science in Agriculture major in Animal Science (Poultry Nutrition), University of the Philippines Los Baños, Laguna, Philippines

Publications

  1. Mesina, V.G.R., V. Lagos, R. C. Sulabo, C. L. Walk, and H.H. Stein. 2018. Effects of microbial phytase on mucin synthesis, gastric protein hydrolysis, ileal amino acid digestibility, and degradation of phytate along the gastrointestinal tract of growing pigs. Journal of Animal Science https://doi.org/10.1093/jas/sky439.
  2. Poommarrin, P., R. C. Sulabo, and C. C. Sevilla. 2018. Feeding value of dried cashew nut testa in finishing pigs: Effects on nutrient digestibility and gut morphology. Songklanakarin Journal of Science and Technology. 40(6):1300-1305.
  3. Villanueva, J.J.O. and R. C. Sulabo. 2018. Production, feeding and marketing practices of native pig raisers in selected regions of the Philippines. Glo. Adv. Res. J. Agric. Sci. 7 (12):383-392.
  4. Stein, H. H., G. A. Casas, J. J. Abelilla, Y. Liu and R. C. Sulabo. 2015. Nutritional value of high fiber co-products from the copra, palm kernel, and rice industries in diets fed to pigs. Journal of Animal Science and Biotechnology. 6:56.
  5. Almeida, F. N., R. C. Sulabo, and H. H. Stein. 2014. Amino acid digestibility and concentration of digestible and metabolizable energy in a threonine biomass product fed to weanling pigs. Journal of Animal Science 92:4540-4546.
  6. Frobose, H. L., R. C. Sulabo, J. M. DeRouchey, D. Ryder, M. D. Tokach, S. S. Dritz, R. D. Goodband, and J. L. Nelssen. 2014. The effects of diet blending and feed budgeting on finishing pig growth performance, carcass characteristics, and economic return. Professional Animal Scientist 30:375-392.
  7. Almaguer, B. L., R. C. Sulabo, Y. Liu, and H. H. Stein. 2014. Standardized total tract digestibility of phosphorus in copra meal, palm kernel expellers, palm kernel meal, and soybean meal fed to growing pigs. Journal of Animal Science 92:2473-2480.
  8. Sulabo, R. C., I. Chiba, F. N. Almeida, S. D. Brotzge, R. L. Payne, and H. H. Stein. 2013. Amino acid and phosphorus digestibility and concentration of digestible and metabolizable energy in hydrolyzed feather meal fed to growing pigs. Journal of Animal Science doi:10.2527/jas.2013-6267.
  9. Rodriguez, D. A., R. C. Sulabo, J. C. Gonzalez-Vega, and H. H. Stein. 2013. Energy concentration and phosphorus digestibility in canola, cottonseed, and sunflower products fed to growing pigs. Canadian Journal of Animal Science. 10.4141/CJAS2013-020.
  10. James, B. W., M. D. Tokach, R. D. Goodband, J. L. Nelssen, S. S. Dritz, K. Q. Owen, J. C. Woodworth, and R. C. Sulabo. 2013. Effects of dietary L-carnitine and ractopamine HCl on the metabolic response to handling in finishing pigs. Journal of Animal Science. 91:4426-4439.
  11. James, B. W., M. D. Tokach, R. D. Goodband, J. L. Nelssen, S. S. Dritz, K. Q. Owen, J. C. Woodworth, and R. C. Sulabo. 2013. Interactive effects of dietary ractopamine HCl and L-carnitine on finishing pigs: I. Growth performance. Journal of Animal Science. 91:3265-3271.
  12. James, B. W., M. D. Tokach, R. D. Goodband, J. L. Nelssen, S. S. Dritz, K. Q. Owen, J. C. Woodworth, and R. C. Sulabo. 2013. Interactive effects of dietary ractopamine HCl and L-carnitine on finishing pigs: II. Carcass characteristics and meat quality. Journal of Animal Science. 91:3272-3282.
  13. Almeida, F. N., R. C. Sulabo, and H. H. Stein. 2013. Effects of a novel bacterial phytase expressed in Aspergillus oryzae on digestibility of calcium and phosphorus in diets fed to weanling or growing pigs. Journal of Animal Science and Biotechnology. 4(1):8-18.
  14. Lee, J. W., D. Y. Kil, B. D. Keever, J. Killefer, F. K. McKeith, R. C. Sulabo, and H. H. Stein. 2013. Carcass fat quality of pigs is not improved by adding corn germ, beef tallow, palm kernel oil, or glycerol to finishing diets containing distillers dried grains with solubles. Journal of Animal Science. 91:2426-2437.
  15. Sulabo, R. C., S. Ju, and H. H. Stein. 2013. Amino acid digestibility and concentration of digestible and metabolizable energy in copra meal, palm kernel expellers, and palm kernel meal fed to growing pigs. Journal of Animal Science. 91:1391-1399.
  16. Sulabo, R. C. and H. H. Stein. 2013. Digestibility of phosphorus and calcium in meat and bone meal fed to growing pigs. Journal of Animal Science. 91:1285-1294.
  17. Sulabo, R. C., J. K. Mathai, J. L. Usry, B. W. Ratliff, D. M. McKilligan, J. D. Moline, G. Xu, and H. H. Stein. 2013. Nutritional value of dried fermentation biomass, hydrolyzed porcine intestinal mucosa products, and fish meal fed to weanling pigs. Journal of Animal Science. 91:2802-2811.
  18. Duttlinger, A. J., J. M. DeRouchey, M. D. Tokach, S. S. Dritz, J. L. Nelssen, R. C. Sulabo, and R. D. Goodband. 2012. Effects of increasing crude glycerol and dried distillers grains with solubles on growth performance, carcass characteristics, and fat quality of finishing pigs. Journal of Animal Science. 90:840-852.
  19. Sulabo, R. C., C. K. Jones, M. D. Tokach, R. D. Goodband, S. S. Dritz, D. R. Campbell, B. W. Ratliff, J. M. DeRouchey, and J. L. Nelssen. 2011. Factors affecting storage stability of various commercial phytase sources. Journal of Animal Science. 89:4262-4271.
  20. Schneider, J. D., M. D. Tokach, R. D. Goodband, J. L. Nelssen, S. S. Dritz, J. M. DeRouchey, and R. C. Sulabo. 2011. Effect of restricted feed intake on finishing pigs weighing between 68-114 kg fed twice or six times daily. Journal of Animal Science. 89:3326-3333.
  21. Jacela, J. Y., J. M. DeRouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. M. Nelssen, R. C. Sulabo, R. C. Thaler, L. Brandts, D. E. Little, and K. J. Prusa. 2011. Amino acid digestibility and energy content of deoiled (solvent extracted) corn dried distillers grains with solubles for swine and its effects on growth performance and carcass characteristics. Journal of Animal Science. 89:1817-1829.
  22. Benz, J. M., M. D. Tokach, S. S. Dritz, J. L. Nelssen, J. M. DeRouchey, R. C. Sulabo, and R. D. Goodband. 2011. Effects of increasing choice white grease in corn- and sorghum-based diets on growth performance, carcass characteristics, and fat quality characteristics of finishing pigs. Journal of Animal Science. 89:773-782.
  23. Benz, J. M., M. D. Tokach, S. S. Dritz, J. L. Nelssen, J. M. DeRouchey, R. C. Sulabo, and R. D. Goodband. 2011. Effects of choice white grease and soybean oil on growth performance, carcass characteristics, and carcass fat quality of growing-finishing pigs. Journal of Animal Science. 89: 404-413.
  24. Benz, J. M., M. D. Tokach, S. S. Dritz, J. L. Nelssen, J. M. DeRouchey, R. C. Sulabo, and R. D. Goodband. 2011. Effects of dietary iodine value product on growth performance and carcass fat quality of finishing pigs. Journal of Animal Science. 89:1419–1428.
  25. Sulabo, R. C., M. D. Tokach, J. Y. Jacela, J. L. Nelssen, S. S. Dritz, J. M. DeRouchey, and R. D. Goodband. 2010. Effects of lactation feed intake and creep feeding on sow and piglet performance. Journal of Animal Science. 88:3145–3153.
  26. Sulabo, R. C., M. D. Tokach, S. S. Dritz, R. D. Goodband, J. M. DeRouchey, and J. L. Nelssen. 2010. Effects of varying creep feeding duration on the proportion of pigs consuming creep feed and neonatal pig performance. Journal of Animal Science. 88:3154–3162.
  27. Sulabo, R. C., M. D. Tokach, S. S. Dritz, R. D. Goodband, J. M. DeRouchey, and J. L. Nelssen. 2010. Effects of creep feeder design and feed accessibility on the proportion of pigs consuming creep feed and preweaning pig performance. Journal of Swine Health and Production. 18:174-181.
  28. Sulabo, R. C., M. D. Tokach, J. M. DeRouchey, S. S. Dritz, R. D. Goodband, and J. L. Nelssen. 2010. Influence of feed flavors and nursery diet complexity on preweaning and nursery pig performance. Journal of Animal Science. 88:3918–3926.
  29. Jones, C. K., M. D. Tokach, S. S. Dritz, B. W. Ratliff, N. L. Horn, R. D. Goodband, J. M. DeRouchey, C. Sulabo, and J. L. Nelssen. 2010. Efficacy of different commercial phytase enzymes and development of an available phosphorus release curve for Escherichia coli-derived phytases in nursery pigs. Journal of Animal Science. 88:3631–3644.
  30. Benz, J. M., S. K. Linneen, M. D. Tokach, S. S. Dritz, J. L. Nelssen, J. M. DeRouchey, R. D. Goodband, R. C. Sulabo, and K. J. Prusa. 2010. Effects of dried distillers grains with solubles on carcass fat quality of finishing pigs. Journal of Animal Science. 88:3666–3682.
  31.  Dimaiwat, M. I., G. C. C. Belen, A. F. S. Regaspi, E. P. Angeles, V. A. Magpantay, and R. C. Sulabo. 2017. Correlations Between zinc and heavy metal concentrations in commercially available zinc oxide sources. Philippine Journal of Veterinary and Animal Sciences. 43(2):116-122.
  32. Ung, P., M. E. David, R. C. Sulabo, and A. A. Angeles. 2016. Appropriate Extension Approaches in Disseminating Livestock Production Technology in Cambodia. International Journal of Environmental and Rural Development. 7(1):173-178.
  33. Tadeo, Norberto N., Renato SA Vega, Antonio A. Rayos, Rommel C. Sulabo, Rowena DT Baconguis, Arnel N. del Barrio, and Thelma A. Saludes. 2015. Physico-chemical characteristics of raw milk from water buffaloes fed moringa (Moringa oleifera) leaf meal (MoLM)". PASSAGE Journal. 2:1-15.
  34. Poommarin, P., R. C. Sulabo, and C. C. Sevilla. 2014. Nutritional composition and energy concentration in dried cashew nut testa fed to growing pigs. Proceedings of the 16th AAAP Animal Science Congress Vol. II 10-14, Gadjah Mada University, Yogyakarta, Indonesia pp. 687-690.
  35. Sulabo, R. C., C. K. Jones, M. D. Tokach, R. D. Goodband, S. S. Dritz, D. R. Campbell, B. W. Ratliff, J. M. DeRouchey, and J. L. Nelssen. 2010. Factors affecting storage stability of various commercial phytase sources. Kansas Agric. Exp. Sta. Rep. Prog. 1038:273-289.
  36. Sulabo, R. C., G. A. Papadopoulos, J. R. Bergstrom, J. M. DeRouchey, D. Ryder, M. D. Tokach, S. S. Dritz, R. D. Goodband, and J. L. Nelssen. 2010. Evaluation of feed budgeting, complete diet blending, and corn-supplement blending on finishing-pig performance. Kansas Agric. Exp. Sta. Rep. Prog. 1038:232-241.
  37. Sulabo, R. C., M. D. Tokach, J. R. Bergstrom, J. M. DeRouchey, R. D. Goodband, S. S. Dritz, and J. L. Nelssen. 2009. Effects of creep diet complexity on individual consumption characteristics and growth performance of neonatal and weanling pigs. Kansas Agric. Exp. Sta. Rep. Prog. 1020:51-64.
  38. Bergstrom, J. R., J. L. Nelssen, T. Houser, J. A. Gunderson, A. N. Gipe, J. Y. Jacela, J. M. Benz, R. C. Sulabo, and M. D. Tokach. 2009. Effects of dietary astaxanthin on the growth performance and carcass characteristics of finishing pigs. Kansas Agric. Exp. Sta. Rep. Prog. 1020:239-244.
  39. Sulabo, R. C., J. Quackenbush, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. DeRouchey, and J. L. Nelssen. 2008. Effects of different feeding regimens on growth, longevity, and semen characteristics of working boars in a commercial A. I. stud. Kansas Agric. Exp. Sta. Rep. Prog. 1001:21-30.
  40. Sulabo, R. C., M. D. Tokach, J. M. DeRouchey, C. D. Risley, J. L. Nelssen, S. S. Dritz, and R. D. Goodband. 2008. Influence of organoleptic properties of the feed and nursery diet complexity on preweaning and nursery performance. Kansas Agric. Exp. Sta. Rep. Prog. 1001:31-41.
  41. Sulabo, R. C., M. D. Tokach, J. M. DeRouchey, R. D. Goodband, S. S. Dritz, and J. L. Nelssen. 2008. Validation of control diets for lactose and fish meal replacement studies in nursery pigs. Kansas Agric. Exp. Sta. Rep. Prog. 1001:42-51.
  42. Bergstrom, J. R., J. L. Nelssen, T. Houser, M. D. Tokach, J. A. Gunderson, A. N. Gipe, J. Jacela, J. M. Benz, R. C. Sulabo, J. M. DeRouchey, R. D. Goodband, and S. S. Dritz. 2008. Effects of ractopamine HCL (Paylean) and α-lipoic acid on the growth performance and carcass characteristics of finishing pigs. Kansas Agric. Exp. Sta. Rep. Prog. 1001:21-30.
  43. Sulabo, R. C., M. D. Tokach, J. Y. Jacela, J. L. Nelssen, S. S. Dritz, J. M. DeRouchey, and R. D. Goodband. 2007. Effects of lactation feed intake and creep feeding on sow and piglet performance. Kansas Agric. Exp. Sta. Rep. Prog. 985:24-37.
  44. Sulabo, R. C., M. D. Tokach, E. J. Wiedmann, J. Y. Jacela, J. L. Nelssen, S. S. Dritz, J. M. DeRouchey, and R. D. Goodband. 2007. Effects of varying creep feeding duration on pre-weaning performance and the proportion of pigs consuming creep feed. Kansas Agric. Exp. Sta. Rep. of Prog. No. 985. pp. 38-45.
  45. Sulabo, R. C., M. D. Tokach, J. L. Nelssen, S. S. Dritz, R. D. Goodband, and J. M. DeRouchey. 2007. Effects of different creep feeder designs and feed accessibility on proportion of piglets consuming creep feed and litter performance. Kansas Agric. Exp. Sta. Rep. Prog. 985:46-53.
  46. Sulabo, R. C., M. D. Tokach, S. S. Dritz, E. J. Wiedmann, R. D. Goodband, J. M. DeRouchey, and J. L. Nelssen. 2007. Validation of flank-to-flank allometric equations in predicting weight of lactating sows and lactation weight change. Kansas Agric. Exp. Sta. Rep. Prog. 985:54-59.
  47. Sulabo, R. C., , J. Y. Jacela, J. M. DeRouchey, M. D. Tokach, F. J. Neher, R. D. Goodband, S. S. Dritz, and J. L. Nelssen. 2007. Effects of phytobiotics on nursery pig performance. Kansas Agric. Exp. Sta. Rep. Prog. 985:94-98.
  48. Jacela, J. Y., S. S. Dritz, M. D. Tokach, J. M. DeRouchey, R. D. Goodband, J. L. Nelssen, R. C. Sulabo, and J. R. Bergstrom. 2007. Effects of PCV2 vaccine on growth performance and mortality rate of pigs in a PCV2-positive commercial swine herd. Kansas Agric. Exp. Sta. Rep. Prog. 985:5-9.
  49. Jacela, J. Y., J. M. DeRouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. L. Nelssen, R. C. Sulabo, and R. C. Thaler. 2007. Amino acid digestibility and energy content of corn distillers meal for swine. Kansas Agric. Exp. Sta. Rep. Prog. 985:142-149.
  50. Jacela, J. Y., J. M. DeRouchey, S. S. Dritz, M. D. Tokach, R. D. Goodband, J. L. Nelssen, and R. C. Sulabo. 2007. Amino acid and energy digestibility of two different sources of soy hulls for swine. Kansas Agric. Exp. Sta. Rep. Prog. 985:142-149.
  51. Sulabo, R. C., J. Quackenbush, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. DeRouchey, and J. L. Nelssen. 2006. Validation of flank-to-flank measurements for predicting boar weight. Kansas Agric. Exp. Sta. Rep. Prog. 966:19-23.
  52. Sulabo, R. C., J. Quackenbush, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. DeRouchey, and J. L. Nelssen. 2006. Predicting growth rates of adult working boars in a commercial A. I. boar stud. Kansas Agric. Exp. Sta. Rep. Prog. 966:13-18.
  53. Sulabo, R. C., C. N. Groesbeck, J. M. Benz, R. D. Goodband, M. D. Tokach, S. S. Dritz, J. M. DeRouchey, J. L. Nelssen, and D. McKilligan. 2006. Effects of a liquid (Neolac) and dry feed combination fed in varying durations on weanling pig performance. Kansas Agric. Exp. Sta. Rep. Prog. 966:52-59.
  54. Gottlob, R.O., S. S. Dritz, M. D. Tokach, J. L. Nelssen, R. D. Goodband, J. M. DeRouchey, J. M. Benz, C. N. Groesbeck, and R. C. Sulabo. 2006. Effects of dietary calcium formate and malic acid on nursery pig growth performance. Kansas Agric. Exp. Sta. Rep. Prog. 966:67-71.