Sex: Male
Education:
- Hiroshima University, Hiroshima, Japan, Doctor of Agriculture, 2002
- Hiroshima University, Hiroshima, Japan, Master of Science, 1990
- University of the Philippines, Diliman, Quezon City, Bachelor of Science in Fisheries, 1980
Field of Specialization:
Aquaculture, Aquaculture Fisheries, Fish Breeding, Agricultural Science, Fisheries Science, Project Management, Sustainable Development
Researches:
Golez, M.S.N., Ohno, A., Toledo, J.D., Tanaka, Y., & Ishimaru, T., (2002) Population dynamics of the calanoid copepod, Acartia tsuensis in a brackishwater pond in the Philippines Fisheries Science Volume 68, No. 1
Toledo, J.D., (2002) Status of breeding and larval rearing of groupers. In: Report of the Regional Workshop on Sustainable Seafarming and Grouper Aquaculture. Medan, Indonesia Collaborative APEC Grouper Research Development Network. Network of Aquaculture Centers in Asia Pacific, Bangkok, Thailand, 17-20 April 2000
Toledo, J.D., Naret, E.S.G., & Nakagawa, H., (2005) Comparison of fatty acid profile between cultured and wild-caught grouper, Epinephelus coioides Aquaculture Science Volume 53, No. 2
Toledo, J.D., Caberoy, N.B., Quinitio, G.F., Choresca, C.H., Jr., & Nakagawa, H., (2002) Effects of salinity, aeration and light intensities on oil globule absorption, feeding incidence, growth and survival of early stage grouper Epinephelus coioides larvae Fisheries Science Volume 68, No. 3
Cruz-Lacierda E.R., Toledo, J.D., Tan-Fermin, J.D., & Burreson, E.M., (2000) Marine leech (Zeylanicobdella arugamensis) infestation, in cultured orange-spotted grouper, Epinephelus coioides Aquaculture Volume 185, No. 3-4
Toledo, J.D., Golez, M.S.N., Doi, M., & Ohno, A., (1999) Use of copepod nauplii during early feeding stage of grouper Epinephelus coioides Fisheries Science Volume 65, No. 3
Capinpin, E., Jr., Toledo, J.D., Encena, V., II & Doi, M., (1999) Density dependent growth of the tropical abalone Haliotis asinina in cage culture Aquaculture Volume 171, No. 3-4
De Jesus, E.G.T., Toledo, J.D., & Simpas, M.S., (1998) Thyroid hormones promote early metamorphosis in grouper (Epinephelus coioides) larvae General and Comparative Endocrinology Volume 112, No. 1
Doi, M., Toledo, J.D., Golez, M.S.N., de los Santos, M., & Ohno, A., (1997) Preliminary investigation of feeding performance of larvae of early red-spotted grouper, Epinephelus coioides, reared with mixed zooplankton Hydrobiologia Volume 358, No. 1
Toledo, J.D., Golez, S.N., Doi, M., & Ohno, A., (1997) Food selection of Early Grouper, Epinephelus coioides, Larvae reared by the Semi-Intensive method Aquaculture Science Volume 45, No. 3
Toledo, J.D., Golez, S.N., Doi, M., Bravo, R.S., & Hara, S., (1996) Preliminary studies on the larval rearing of red-spotted grouper, Epinephelus coioides, using copepod nauplii as early food UPV Journal of Natural Sciences Volume 1, No. 2
Toledo, J.D., Nagai, A., & Javellana, D., (1993) Successive spawning of grouper, Epinephelus suillus (Valenciennes), in a tank and floating net cage Aquaculture Volume 115
Cheong, R.M., Gallardo, W.G., & Toledo, J.D., (1992) Market survey of snappers (Genus Lutjanus) from Panay and Palawan waters Phillippine Journal of Science Volume 121, No. 1
Toledo, J.D., & Gaitan, A.G., (1992) Egg cannibalism by milkfish (Chanos chanos Forsskal) spawners in circular floating net cages Journal of Applied Ichtyology Volume 8
Toledo, J.D., Marte, C.L., & Castillo, A.R., (1991) Spontaneous maturation and spawning of sea bass Lates calcarifer in floating net cages Journal of Applied Ichthyology Volume 7, No. 4
Toledo, J.D., Kurokura, H., & Nakagawa H., (1991) Cryopreservation of different strains of euryhaline rotifer Brachionus plicatilis embryos Nippon Suisan Gakkaishi Volume 57
Toledo, J.D., & Kurokura, H., (1990) Cryopreservation of the euryhaline rotifer Brachionus plicatilis embryos Aquaculture Volume 91
Toledo, J.D., Kurokura, H., & Kasahara, S., (1989) Preliminary studies on the Cryopreservation of the Blue Mussel Embryos Nippon Suisan Gakkaishi Volume 55, No. 9
Garcia, L.M.B., & Toledo, J.D., (1988) Critical factors influencing survival and hatching of milkfish (Chanos chanos Forsskal) eggs during simulated transport Aquaculture Volume 72, No. 1-2
Toledo, J.D., (2007) Overview - SEAFDEC International Workshop on Emerging Fish Diseases in Asia; In: Proceedings of the SEAFDEC International Workshop on Emerging Fish Diseases in Asia; 6-7 December 2007; Bangkok, Thailand Israeli Journal of Aquaculture - Bamidgeh Volume 61
Toledo, J.D., Salvacion Golez, M., & Ohno, A., (2005) Studies on the Use of Copepods in the Semi-Intensive Seed Production of Grouper Epinephelus Coioides, in Copepods in Aquaculture (eds C.-S. Lee, P.J. O'Bryen & N.H. Marcus) Blackwell Publishing Professional, Ames, Iowa, USA
Parazo, M.M., Garcia, L.M.B., Ayson, F.G., Fermin, A.C., Almendras, J.M.E., Reyes, D.M., Jr., Avila, E.M., & Toledo, J.D., (1998) Seabass hatchery operations (2nd ed.) Aquaculture Extension Manual, Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo, Philippines Volume 18
Toledo, J.D., Caberoy, N.B., & Quinitio, G.F., (2004) Environmental factors affecting embryonic development, hatching and survival of early stage larvae of grouper (Epinephelus coioides). In M.A. Rimmer, S. McBride, & K.C. Williams (Eds.), Advances in grouper aquaculture ACIAR Monograph Volume 110
Toledo, J.D., Chavez, D., & Rodriquez, J.C., Jr., (2004) Studies on semi-intensive seed production of grouper (Epinephelus coioides). In M.A. Rimmer, S. McBride, & K.C. Williams (Eds.), Advances in grouper aquaculture ACIAR Monograph Volume 110
Toledo, J.D., Quinitio, G.F., Sa-an, A.C., & Tan-Fermin, J.D., (2004) Changes in the gastrointestinal tract and associated organs during early development of the grouper (Epinephelus coioides). In M.A. Rimmer, S. McBride, & K.C. Williams (Eds.), Advances in grouper aquaculture ACIAR Monograph Volume 110
Quinitio, G.F., Sa-an, A.C., Toledo, J.D., & Tan-Fermin, J.D., (2004) Localization of enzymes in the digestive system during early development of grouper (Epinephelus coioides). In M.A. Rimmer, S. McBride, & K.C. Williams (Eds.), Advances in grouper aquaculture ACIAR Monograph Volume 110
Eusebio, P.S., Toledo, J.D., Mamauag, R.E.P., & Bernas, M.J.G., (2004) Digestive enzyme activity in developing grouper (Epinephelus coioides) larvae. In M.A. Rimmer, S. McBride, & K.C. Williams (Eds.), Advances in grouper aquaculture ACIAR Monograph Volume 110
Alava, V.R., Priolo, F.M.P., Rodriguez, J.C., Jr., Quinitio, G.F., Sa-an, A.C., de la Peña, M.R. & Caturao, R.C., (2004) Lipid nutrition studies on grouper (Epinephelus coioides) larvae. In M.A. Rimmer, S. McBride, & K.C. Williams (Eds.), Advances in grouper aquaculture ACIAR Monograph Volume 110
Alava, V.R., Priolo, F.M.P., Arnaiz, M., & Toledo, J.D., (2004) Amino acid and fatty acid profiles of wildsourced grouper (Epinephelus coioides) broodstock and larvae. In S. McBride & K.C. Williams (Eds.), Advances in grouper aquaculture ACIAR Monograph Volume 110
Millamena O.M., & Toledo, J.D., (2004) Development of formulated feeds for grow-out culture of grouper (Epinephelus coioides) - tank and field studies ACIAR Monograph Volume 110
Ahmed, M., Magnayon-Umali, G.A., Valmonte-Santos, R.A., Toledo, J., Lopez, N., & Torres, F., Jr., (2001) Bangus Fry Resource Assessment in the Philippines ICLARM Tech. Rep. Volume 58, No. ix
Toledo, J.D., Quinitio G.F., Duller A.T. and Reyes, Jr., D.M. , (1991) Survival of yolk-sac larvae of grouper (Epinephelus suillus) under simulated transport conditions. Aquaculture Soc. Spec. Publ. Volume 15
Agbayani, R.F., & Toledo, J.D., (2008) Institutional Capacity Development for Sustainable Aquaculture and Fisheries: Strategic Partnership with Local Institutions Fisheries for Global Welfare and Environment
Pomeroy, R.S., Agbayani, R., Duray, M., Toledo, J., & Quinitio, G., (2004) The financial feasibility of small-scale grouper aquaculture in the Philippines Aquaculture Economics and Management Volume 8, No. 1-2
de la Peña, L.D., Morki, K., Quinitio, G.F., Chavez, D.S., Toledo, J.D., Suarnaba, V.S., Maeno, Y., Kiryu, I., & Nakai, T., (2008) Characterization of Betanodaviruses in the Philippines Bulletin of the European Association of Fish Pathologists Volume 28
Seike, S., Toledo, J.D., Umino, T., & Nakagawa, H., (2005) Variation of otolith strontium concentration in elongate surgeonfish, Acanthurus mata International Technology Exchange, Inc. (ITE) Letters on Batteries New Technologies and Medicine Volume 6
Awards:
- DA Secretary's Award - R & D Published Paper, 14th National Research Symposium, Bureau of Agricultural Research, 2002 November
- Best Seminar Presentor, SEAFDEC AQD, Tigbauan, Iloilo, 2000 December
- Career Sub-Professional, Civil Serice Commission, 1980
- Licensed Fisheries Technologist, Professional Regulation Commission, 2006
- Outstanding Professional of the Year (Fisheries Technologist), Professional Regulation Commission, 2009
- Outstanding Monograph Award "Husbandry and Health Management of Groupers", National Academy of Science and Technology, 2004
- Outstanding Fisheries Professional "Gawad Pangisdaan Award", Philippine Fisheries Association, 2003
- Best Published Paper in Marine Fisheries Category "Bangus Fry Assessment of the Philippines", 15th Elvira-Tan Memorial Awards, 2001
- Certificate of Achievement, DOST - FAO/UNDP (GAINEX) Milkfish Broodstock and Hatchery Project, 1999