Scientist Profile

Photo

Gerald F. Quinitio

Expertise: Biological Sciences, Fish Physiology

Affiliation

Asst. Professor 4, Institute of Marine Fisheries and Oceanology, College of Fisheries and Ocean Sciences, University of the Philippines, Miagao, 5023 Iloilo

Association

    • National Research Couincil of the Philippines, Member
    • Asian Fisheries Society , Full Founding Member
    • Philippine Association of Japanese Ministry of Education Scholars, Member

Employment

    • Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo, Scientist I, 1993 Ja 4-2004 Jl 16
    • Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo, Associate Scientist, 1989 Ap-1990 F
    • Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo, Research Associate, 1981 Jl-1984 Mr
    • Aquaculture Department, Southeast Asian Fisheries Development Center, Tigbauan, Iloilo, Fisheries Technician, 1978 Je-1981 Je

Award

    • Best Research Project Presentor, Bureau of Agricultural Research, 1995 D 15

Research

    • Effects of Dispersed Bunker Oil on the Reproduction of Rabbitfish Siganus guttatus [On-going]

Papers Presented

    • Annual Changes in the Testicular Activity of the River Sculpin Cottus hangiongensis, Meeting of the Japanese Society of Scientific Fisheries, Nihon University, Tokyo, Japan
    • Mariculture Techniques for Epihephelus sp. in the Philippines, 1st Philippine-French Technical Workshop on Advances in Finfish and Shellfish Mariculture, PCAMRD, Los Baños, Laguna, Philippines
    • Review of SEAFDEC/AQD Finfish Seed Production Research, National Seminar-Workshop on Breeding and Seed Production of Cultured Finfishes in the Philippines, SEAFDEC/AQD, Tigbauan, Iloilo, Philippines
    • Survival of Yolk-sac Larvae of Grouper (Epinephelus suillus) Under Simulated Transport Conditions, Larvi '91 - Fish and Crustacean Larviculture Symposium, University of Gent, Gent, Belgium
    • Occurrence of Aberrant Spermatids in Freshwater Sculpin, Cottus nozawae Snyder, 3rd Asian Fisheries Forum and Searanching, World Trade Center, Singapore
    • Breeding of grouper in captivity, National Fisheries Research Program 2nd Annual Research Review, Sulo Hotel, Diliman, Quezon City, Philippines
    • Breeding of grouper in captivity , National Fisheries Research Program, 3rd Annual Research Review, Bureau of Soils, Diliman, Quezon City, Philippines
    • Egg quality of grouper Epinephelus coioides Fed different fatty acid sources, International Congress on the Biology of Fishes, San Francisco State University, U.S.A
    • Status of grouper and other coral reef fishes seed production in the Philippines, Workshop on Aquaculture of Coral Fishes and Sustainable Reef Fisheries, Sabandar Bay Resort, Tuaran, Sabah, Malaysia
    • Osmotic Regulation and Na+,K+-ATPase Activity in Grouper Epinephelus coioides Larvae and Juveniles , 5th Asian Fisheries Forum, Lotus Hotel Pang Suan Kaew, Chiang Mai, Thailand
    • Possible Application of Mibolerone for Sex Inversion of Grouper Epinephelus coioides , Aqua 2000 Conference, Convention Center, Nice, France

Education

    • University of the Philippines, Diliman, Quezon City, B.S. Fisheries, Major in Marine Fisheries, 1976 My
    • University of the Philippines Visayas, Iloilo, M.S. Fisheries (Aquaculture), 1980 Ap
    • Hokkaido University, Hakodate, Hokkaido, Japan, Doctor of Science in Fisheries, 1989 Mr

Publication

    • Quinitio, G.F., Goto, A., Takahashi, H., (1992) A comparison of the annual changes in testicular activity and serum androgen levels between the early and delayed maturing groups of male Cottus hangiongensis
    • Environ. Biol. Fish. Volume 34
    • Quinitio, G.F., Takahashi, H., (1992) An ultrastructural study on the occurrence of aberrant spermatids in the testis of the river sculpin, Cottus hangiongensis
    • Japan Journal of Ichthyology Volume 39
    • Quinitio, G.F., Caberoy, N.B., Reyes, D.M. Jr., (1997) Induction of sex change in female Epinephelus coioides by social control
    • Israel Journal of Aquaculture - Bamidgeh Volume 49
    • Caberoy, N.B. and Quinitio, G.F., (1998) Sensitivity of grouper Epinephelus coioides eggs to handling stress at different stages of embryonic development
    • Israel Journal of Aquaculture-Bamidgeh Volume 50:
    • Caberoy, N.B., Quinitio, G.F., (1998) Sensitivity of grouper Epinephelus coioides eggs to handling stress at different stages of embryonic development
    • Israel Journal of Aquaculture-Bamidgeh Volume 50
    • Caberoy, N.B., Quinitio, G.F. , (2000) Changes in Na+,K+-ATPase Activity and Gill Chloride Cell Morphology in the Grouper Epinephelus coioides Larvae and Juveniles in Response to Salinity and Temperature
    • Fish Physiology Biochemistry Volume 23
    • Quinitio, G.F., Tan-Fermin, J.D., Nagai, A., (2001) Possible application of mibolerone for induced sex inversion of grouper Epinephelus coioides
    • Fisheries Science Volume 67
    • Toledo, J.D., Caberoy,N.B., Quinitio,G.F., Choresca, C.H. and Nakagawa, H., (2002) Effects of salinity, aeration and light intensities on oil globule absorption, feeding incidence, growth and survival of early stages of grouper Epinephelus coioides larvae
    • Fisheries Science Volume 68
    • Pomeroy, R.S., Agbayani, R., Duray, M. Toledo, J., Quinitio, G.F., (2004) The financial feasibility of small-scale grouper culture in the Philippines
    • Aquaculture Economics and Management Volume 8, No. 61-84
    • Juario, J.V., Natividad, M., Quinitio, G.F., Banno, J., (1979) Experiments on the induced spawning and larval rearing of the milkfish, Chanos chanos (Forsskal) in 1979
    • SEAFDEC/AQD Quarterly Research Report Volume 3, No. 1-3
    • Quinitio, G.F., Kawamura, G., (1980) A comparison between the catching efficiency of two milkfish fry collecting gears and their respective modifications
    • SEAFDEC/AQD Quarterly Research Report Volume 4
    • Juario, J.V., Quinitio, G.F., Banno, J.E., Natividad, M., (1980) Effects of exogenous hormone injections on milt consistency in newly caught, wild milkfish
    • Kalikasan, Philippine Journal of Biology Volume 9
    • Quinitio, G.F., Juario, J.V., (1980) Effect of various salinity levels and stock manipulation methods on the survival of milkfish fry (Chanos chanos) during storage
    • Fisheries Research Journal of the Philippines Volume 5
    • Baticados, M.C.L. and Quinitio, G.F., (1984) Occurrence and pathology of an Amyloodinium-like protozoan parasite on gills of grey mullet, Mugil cephalus
    • Helgolander Meeresunters Volume 37
    • Quinitio, G.F., Takemura, A., Goto, A. , (1989) Ovarian development and changes in the vitellogenin levels in the river sculpin, Cottus hangiongensis, during an annual reproductive cycle
    • Bulletin Fac. Fisheries (Hokkaido University) Volume 40
    • Quinitio, G.F., Takahashi, H., Goto, A., (1988) Annual changes in the testicular activity of the river sculpin, cottus hangiongensis Mori, with emphasis on the occurrence of aberrant spermatids during spermatogenesis
    • Journal of Fish Biology Volume 33
    • Toledo, J.D., Caberoy, N.B., Quinitio, G.F. , (2004) Environmental factors affecting embryonic development hatching and survival of early stage larvae of the grouper (Epinephelus coioides)
    • Advances in Grouper Aquaculture, Canberra, ACIAR Monograph No. 110, (M.A. Rimmer, S. McBride and K.C. Williams,eds.)
    • Quinitio, G.F., Sa-an, A.C., Toledo, J.D., Tan-Fermin, J.D. , (2004) Changes in the gastrointestinal tract and associated organs during early development of the grouper Epinephelus coioides
    • Advances in Grouper Aquaculture, Canberra, ACIAR Monograph No. 110, (M.A. Rimmer, S. McBride and K.C. Williams, eds.)
    • 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 the grouper Epinephelus coioides
    • Advances in Grouper Aquaculture, Canberra. ACIAR Monograph No. 110, 37pp., (M.A. Rimmer, S. McBride and K.C. Williams, eds.)
    • Alava, V.R., Priolo, F.M.P., Toledo, J.D., Rodriguez, J.C., Quinitio, G.F., Sa-an, A.C., de la Peña, M.R., Caturao, R.C., (2004) Lipid nutrition studies on grouper (Epinephelus coioides) Larvae. p. 47-52. In
    • Advances in Grouper Aquaculture, Canberra, ACIAR Monograph No. 110 (M.A. Rimmer, S. McBride and K.C. Williams, eds.)
    • de la Peña, L.D., Mori, K., Quinitio, G.F., Chavez, D.S., Toledo, J.D., Suarnaba1, V.S., Maeno, Y., Kiryu, I., Nakai, T., (2008) Characterization of betanodaviruses in the Philippines
    • Bulletin of Eurupean Association of Fish Pathology Volume 28, No. 6

Trainings

    • International Congress on the Biology of Fishes , 1996 Jl 14-18, San Francisco State University, U.S.A
    • Workshop on Aquaculture of Coral Fishes and Sustainable Reef Fisheries, 1996 D 4-8, Sabandar Bay Resort, Tuaran, Sabah, Malaysia
    • Training Course on Propagation of Grey Mullet, 1978 D 29-1979 Ja 24, Tungkang, Marine Laboratory, Taiwan Fisheries Research Institute, Tungkang, Pintung, Taiwan