Scientist Profile

Photo

Libertado C. Cruz

NAST Academician

Expertise: Reproductive Biotechnology, Agriculture, Animal Science

Dr. Libertado Cruz is recognized for his contributions in reproductive biotechnology. His research finds applications on the ovulation, fertilization, and health of farm animals like water buffaloes, beef cows, goats, cattle, and sheep.

Affiliation

Executive Director, Philippine Carabao Center, Nueva Ecija, Philippines

Association

    • International Embryo Transfer Society, Member
    • Philippine Society of Animal Science, Vice President/Vice President
    • American Society of Animal Science, Member
    • Japanese Society of Animal Reproduction, Member
    • American Water Buffalo Association, Member
    • Asian Buffalo Association, President
    • International Buffalo Federation, Vice President/ President/ Executive Officer
    • Asian Biotechnology Network for Animal Production and Health, Member
    • National Ruminant Commodity Team, Team Leader
    • Intensive/Carabeef Production, Team Leader
    • Asian Buffalo Association, Convenor
    • Conservation of Indigenous Animal Genetic Resources, Member
    • Philippine Animal Society of Animal Reproduction, President
    • Food and Agriculture Organization of the United Nations, Consultant

Employment

    • National Dairy Authority, Dept. of Agriculture, OIC-Administrator, 1998 S- 2002 Ag
    • Central Luzon State University (CLSU), Munoz, Nueva Ecija, Professor (Reproductive Physiology), 1986 Mr - 1993 Mr 30
    • Philipine Carabao Research Development Center, Director, 1998 Mr
    • PCC-CLSU, Reproductive Physiologist, 1986 - 1993
    • Dept. of Animal Science, College of Agriculture, CLSU, Nueva Ecija, Department Chairman, 1987 - 1991
    • CLSU, Director of Research, 1987 - 1988
    • Beef Cattle Division, Dept. of Animal Science, CLSU, Nueva Ecija, Division Head
    • Dept. of Animal Science, College of Agriculture, CLSU, Nueva Ecija, Instructor, 1974 - 1982

Award

    • Outstanding Agricultural Scientist, Presidential Citation, Malacanang Palace, 1993 My
    • PANTAS Award, PCARRD, 1992 N 16
    • PSAS Distinguished Fellow Award, PSAS, 1998 O 16
    • Best Paper Award (Large Ruminants Category), SEARCA, 1988 N 17
    • Best Paper Award (Livestock Category), NAPHIRE, 1989 My 10
    • Best Paper Award (Large Ruminants Category), SEARCA, 1989 N 16-17
    • Dangal ng Lipi ng Bulacan, Municipality of Bulacan, 1998
    • Best Poster Paper Award, PSAS
    • Outstanding Alumnus Award, University of the Philippines at Los Banos (UPLB), 2003 O 12
    • R.F. Chandler Scholarship and Study Grant, UPLB, 1966-1969
    • EDPITAF World Bank Scholarship, UPLB, 1976-1977
    • UNDP-FAO Fellowship, University of Illinois, 1982-1985

Research

    • Somatic cell nucliear transfer (SCNT) - in water buffaloes [On-going]
    • Propagation of purebred meat and dairy type goat through super-ovulation and embryo transfer [On-going]
    • Development of gone-based test for foot and mouth disease (FMD) [On-going]
    • Production of superior genetic dairy buffaloes through the OPU/IVF from pre-pubertal animals [On-going]
    • Production of high genetics dairy buffaloes through the use of reproduction biotechnologies [Ongoing]
    • Cyrobanking of animal genetics resources in the philippines [Ongoing]

Papers Presented

    • Relationship of GnRH-induced LH and FSH Profiles on the Ovulation Response and on Cl Function of Postpartum Suckled Beef Cows , 11th International Congress On Animal Reproduction and Artificial Insemination, University College, Dublin, Ireland
    • Effect of PGF2v, on Gonadotropin Release and on Subsequent Pituitary Response to Exogenous GnRH in Anestrous and Cyclic Beef Cows, 12th PSAS Annual Convention
    • Problems and Prospects of Southeast Asian Agriculture: Aspects of Large Ruminants, Asian Agricultura Symposium, Kyushu Tokai University, Kumamoto, Japan
    • Successful Transfer of Murrah Buffalo Embryos into Philippine Swamp Buffalo Recipients, 3rd World Buffalo Congress, Varna, Bulgaria
    • Abnormalities of CL Function in Postpartum Water Buffaloes Following Early Induction of Ovulation with GnRH , 3rd World Buffalo Congress, Varna, Bulgaria
    • Ovulation Response of Water Buffaloes Treated with Gonadotropin for Superovulation on Day 9 or Day 15 of the Cycle , 3rd World Buffalo Congress, Varna, Bulgaria
    • Status of Research and Development Related to Reproductive Biotechnology in Buffaloes in the Philippines, FAO Workshop on Biotechnology of Reproduction in Buffaloes, Varna, Bulgaria
    • Ovarian Follicular Dynamics and Responses to Superovulatory Treatments in Buffaloes , 28th PSAS Annual Convention, PICC, Manila
    • Ovarian Follicular Population and Responses to Gonadotropin Stimulation in Water Buffaloes , Asia-Pacific Agricultural Biotechnilogy Congress, Beijing, China
    • Effective Utilization and Conservation of Indigenous Animal Genetic Resources: Development of the carabaos in the Philippines, ILRI Consultation on Livestock Research in Southeast Asia, IRRI, Los Banos, Laguna, Philippines
    • Conservation of Genetic Diversity, Application of Ex situ Techniques , 13th Regional Annual Scientific Meeting, PSAS Visayas Chapter, Cebu City, Philippines
    • Conservatism of Indigenous Animal Genetic Resources: Program for Carabaos in the Philippines, UPLB IAS DTRI Graduate Seminar
    • Development of Water Buffaloes in the Philippines, 2nd Asian Buffalo Association Congress, Mania, Philippines
    • Embryo Transfer Technology in Water Buffaloes, 8th AAAP Animal Science Congress, Chiba, Tokyo, Japan
    • Reproductive Biotechniques in Water Buffaloes, 8th, World Congress on Animal Production, Seoul National University, Seoul, Korea
    • Current Developments on Water Buffaloes in the Philippines, Regional Workshop on Water Buffalo Development in Asia, Surin, Thailand
    • Ovarian Follicular Dynamics in Water Buffalo (Bubalus bubalis) and its Exploitation Towards Better Ovarian Responses, International Seminar on Biotechniques Applied to Water Bufflaoes, Bogor, Indonesia
    • Biotechnology for the Livestock Industry, 10th APEC Biotechnology Forum, Manila, Philippines
    • Transforming swamps buffaloes to producers of milk and meat through crossbreading and backcrossing with the riverine breed, 6th Asian Buffalo Congress, Lahore, Pakistan
    • Fertility and Ovulation Response of Cyclic Beef Cows to One Injection of PGF2 Followed by GnRH Treatment and Artificial Insemination at One Predetermined Times , Illinois Agric. Expt. Station, DSAC
    • Ovarian Response of Anestrous Cow and Cyclic Postpartum Cows to One Injaction of PGF2 and GnRH, Illinois Agric. Expt. Station, DSAC
    • Facts that Enhance Pituitary and Ovarian Functions in Postpartum Beef Cows, Ph.D. Dissertation, Uliversity of Illinois, USA
    • Production Responses in Swamp Buffaloes for Draft, Meat and Milk, International Symposium On Buffalo Genotypes for Small Farms in Asia, Kuala Lumpur, Malaysia
    • A Method to Sustain the Release of Indomethacin and its Effect on Luteial Dysfunction, 13th International Symposium On Controlled Release of Bioactive Materials
    • The Effect of the GnRH Burst Release on the Efficacy of GnRH Microcapsules , 13th International Symposium On Controlled Release of Bioactive Materials
    • GnRH Treatment for Infertility: The Importance of the Delivery Profile of Preovulatory Gonadotropins to the Ovary, 14th International Symposium On Controlled Released of Bioactive Materials, Toronto, Canada
    • Constant Delivery of GnRH to Infertile or Subfertile Females with Hypothalamic Pituitary Axis that Release Hormones in Episodic Burst, 14th International Symposium On Bioactive Materials Toronto, Canada
    • Comparative Training and Work Persistency of Philippine Carabao (PC) and its F1 Crosses, 2nd PSAS Convention, Manila
    • Lambing Performance of Indigenous Sheep under Grazing Conditions, 27th PSAS Convention, Manila
    • A Survey on the Prevalence of Helminthes and Eimeria spp. In sheep (Outsaries) Raised at Laur, Nueva Ecija, 27Th PSAS Convention, Manila
    • Estrus and Ovulation Parameters at the Philippine Indigenous Ewes , 27th PSAS Convention, Manila
    • Optimizing Handling and Processing Techniques for Production of Quality Semen, V. Production of Frozen Semen Following Improved Freezing Method, 27th PSAS Convention, Manila
    • Production Responses of Crossbred Buffaloes for Meat, Milk and Draught, 5th AAAP, Taipei
    • Ovarian Follicular Population in Swamp Buffaloes at Various Ages, 3rd World Buffalo Congress, Varna, Bulgaria
    • Development of per Vaginal Route of Serial Observations of Ovarian Activities in Buffaloes Using Simple Fiberscope , 3rd World Buffalo Congress, Varna, Bulgaria
    • Impact Assessment of Buffalo Upgrading in the Philippines, AAAP Congress, Bangkok, Thailand
    • Observation on Some Factors Affecting the Gestation Length of Water Buffalo (Bubalus bubalis, Linn.), 29th Annual Convention of the Philippine Society of Animal Science, BSWM, Quezon City
    • The Effect of Work on Matter Intake, Feed Digestibility and Milk Production in Lactating Philippine Carabao Cows, 29th PSAS Convention, BSWM, Quezon City
    • Growth and Milk Production of Philippine Swamp Buffalo x Murrah Crossbreds and their Response to Some Nutritional Strategies, 7th World Conference on Animal Production, Edmonton, Canada
    • Genetic Merits of the Philippine Carabao and its Crosses for Growth, Milk, and Draft , 1st ABA Congress, Khon Kaen, Thailand
    • Nutrient characteristics of Philippine na ive sheep diets as influenced by methods of collection, 8th Japanese Soc. Zootech. Science Fujisawa, Japan
    • Diets of the Philippine Indigenous Sheep and Goats Grazed in Common Pasture, 7th AAAP Congress, Bali, Indonesia
    • Sustained-release Mineral Bolus for Philippine Grazing Goats, Soc. Nutr. Physiol.
    • Multipurpose Tree Leaves and Fruits in the Diets of Small Ruminants During Dry Season, International Workshop on Sustainable
    • Monthly Variation in Crude Protein, Fibre Fractions and Mineral Composition of Paragrass (Brachiaria mutica, Forsk.) and Stargrass (Cynodon plectostachyum Pilgera , 4th International Symposium on the Nutrition of Herbivores, II IRA, France
    • Pregnancies After Transfer of Embryos Produced by In Vitro Maturation and In Vitro Fertilization of Buffalo Oocytes, 2nd Asian Buffalo Association (ABA) Congress, Makati City, Philippines
    • Ultrasonic scanning for estimating the carcass traits of live buffaloes, 34th PSAS Annual Convention, PICC
    • Embryo development rate of in vitro matured swamp buffalo oocytes crossfertilized in vitro with riverine buffalo semen, 34th PSAS Annual Convention, PICC, Manila
    • In vitro production of pre-implantation storage embryos, 34th PSAS Annual Convention, PICC, Manila
    • Effects of some physical parameters can embryo development of buffalo oocytes matured and fertilized in vitro , 34th PSAS Annual Convention, PICC, Manila
    • Some physical factors affecting developments of buffalo oocytes matured and fertilized in vitro , 3rd Asian-Australians Symposium in Animal Biotechnology (AASAB), Seoul Korea
    • Efficient vitrification of mammalian embryos using an ethylene glycol-based solution, 3rd Asia-Australians Symposium of Animal Biotechnology, Seoul, Korea
    • Blastocyst formation in serum supplemented culture medium in vitro matured swamp buffalo oocytes cross-fertilized in vitro with riverine buffalo semen, 5th World Buffalo Congress, Caserta, Italy
    • The use of ultrasound fog evaluating the carcass traits of live water buffaloes, R&D Highlights, RET, CLSU, Munoz
    • The role of water buffaloes in the crop-livestock fanning system, 8th World Coryress on Animal Production, Seoul, Korea
    • Quantification of the Ovarian Follicles of Water Buffalos with Age, Inaugural Conference, West African Society for animal Production (WASAP), Nigeria
    • In Vitro Nuclear Progression of Immature Swamp Buffalo Oocytes after Cryopreservation by Vitrification Method, 35th PSAS Annual Convention, PICC, Manila
    • Nuclear Progression of Immature Swamp Buffalo Oocytes in Minimum Essential Medium after Cryopreservation by Vitrification Method, 4th Asian Symposium on Animal Biotechnology Kamiina, Japan
    • Breeding, Reproduction and Milk Production Performance of Bulgarian Murrah Buffaloes , 36th Annual Convention PSAS Heritage Hotel, Manila
    • Cryopreservation of In Vitro Produced Swamp Buffalo Blastocyst by Virification Method, 36th PSAS Convention Heritage Hotel, Manila
    • Cryopreservation of in vitro produced buffalo blastocyst by vitrification method using ethylene glycol based solution , 36th PSAS Convention Heritage Hotel, Manila
    • Cryopreservation of In-Vitro Produced Swamp Buffalo Blastocysts by Vitrification Method Usinc Ethelyne Glycol-Based Solution, 3rd Asian Buffalo Association Congress Kandy, Sri Lanka
    • Pregnancies from In-vitro Produced and Vitrified Buffalo Embryos after Embryos Transfer, Annual Convention of Philippine Society of Animal Science, Heritage Hotel, Pasay City, Metro Manila
    • Pregnancy Culmination and Birth of Live Calves Out of In Vitro Produced Water Buffalo Embryos after Vitrification and Embryo Transfer, 39th Annual Convention and 20th Visayas Chapter Scientific Seminar, Cebu City, Philippines
    • Viability of In Vitro Produced Water Buffalo Embryos after Vitrification and Embryos Transfer, 9th International Congress on Biotechnology of Animals Reproduction, Chennai, Thailand, India
    • IVEP and Embryo Cyropreservation Technology to Facilitate Buffalo Genetic Improvement, 39th National and 20th Visayas Chapter Seminar and Annual Convention, Marriot Hotel, Cebu City, Philippines
    • Successful cyropreservation of in vitro produced water buffalo embryos by ultra-rapid vitrification, 9th International Congress Biotechnology of Animal Reproduction, Chennai, Tamilnadu, India
    • Growth Performance of Crossbred Cattle (Bos indicus L.) and Carabao (Bubalus bubalis L.) I. Feed Intake, Digestibility and Growth Performance, 40th Scientific Seminar and Annual Convention of Philippine Society of Animals Science
    • Effects Leucaena Leucocephala Leaves Supplementation on Mineral Status of Naturally Raised Growing Philippine Goats, 9th World Conference on Animal Production
    • Production Performance, Carcass and Meat Characteristics of the Grade Brahman Cattle (Bos indices) and Crossbred Water Buffalo (Bubalus bubalis) Carcass and Meat Characteristics, 7th World Buffalo Congress
    • Buffalo Meat pH and Tenderness, 44th Scientific Seminar and Convention of the Philippine Society of Animal Science
    • Tamaraw Habitat and Population , 44th Scientific Seminar and Convention of the Philippine Society of Animal Science
    • Animal Industries in the Philippines and their Responses to Trade Liberalization, 8th Animal Science Congress, Chiba, Tokyo, Japan
    • Ultrasonic scanning for estimating carcass traits of live water buffaloes, Phil. Soc. of Anim. Sci., 34th Annual. Con., PICC Manila
    • Breeding, Reproduction and Milk Production Performance of Bulgarian Murrah Buffaloes, 36th Annual Convention PSAS Heritage Hotel, Manila
    • Pregnancy Culmination and Birth of Live Calves Out of In Vitro Produced Water Buffalo Embryos after Vitrification and Embryo Transfer, 20th Visayas Chapter Seminar and Annual Convention, Marriot Hotel, Cebu City, Philippines
    • Combastat LH/FSH and Bovine Gonadotropins, Micromedic Research Report, University of Illinois, Urbana, Illinois
    • The Burst of GnRh Released from GnRH Microcapsules, CEVA Research Report, University of Illonois, Urbana, Illonois
    • LH and FSH Concentrations in Response to GnRH in Microcapsules, CEVA Research Report, university of illonois, Urbana, Illinois
    • Transformation of Philippine Swamp buffaloes to Producers milk and meat, International Buffalo Seminar,Brebes, Indonesia
    • Current and recommended applications of livestock biotechnologies in the Philippines, Central Mindanao University, Musuan, Bukidnon
    • Overview of animals biotechnology R&D in the Philippines in Advocacy Forum on Growth Potentials, PCARRF-DOST and PCC, Bayview Hotel, Manila

Education

    • University of Wisonsin, Madison, Wisconsin, USA, Post Doctoral (Reproductive Biotechnology), 1992
    • University of Illinois at Urbana - Champaign, Urbana, Illinois, USA, Ph.D. in Animal Science-Reproductive Biotechnology, 1986
    • University of the Philippines at Los Banos, College, Laguna, M.S. Animal Science, 1982
    • University of the Philippines at Los Banos, College, Laguna, B.S. Agriculture (Animal Science), 1971
    • Bulacan National Agricultural School, San Ildefonso, Bulacan, Associate in Agriculture (Animal Husbandry), 1966

Publication

    • Cruz, L.C., Calub, A.D., Alferez, A.C. , (1979) Performance of grade weanliny calves in confinement or in native grassland (Themeda triandra, Forsk) with and without supplementation nutritive value of Themeda during the dry season
    • Philippine Journal Veterinary And Animal Science Volume 4
    • Cruz, L.C., Valle, E.R., Kesler, D.J., (1985) The effect of PGF2 alpha on LF1 and FSH concentrations and on GnRH-induced LH and FSH releases in postpartum suckled beef cows
    • Journal Dairy Science Volume 68
    • Cruz, L.C., Valle, E.R., Esarey, J.C., Cmarik, J.F., Faulkner, D.V., Ott, R.S., Kesler, D.J., (1985) Ovulation response and fertility of cyclic beef cows to one injection of PGF2 alpha (Lutalyse or Alfaprostol) followed by GnRH treatment and artificial insemination at pre-determined tunes
    • Journal Animal Science Volume 61
    • Cruz, L.C., Vale, E.R., Esarey, J.C., Kesler, D.J., (1985) The effect of indornethacin administered via one subcutaneous injection on the incidence of short luteal phases and on progesterone secretion in postpartum suckled beef cows induced to ovulate with GnRH
    • Journal Animal Science Volume 61
    • Cruz, L.C., Valle, E.R., Kesler, D.J. , (1985) Ovulation response of anestrous and cyclic postpartum suckled beef cows to one injection of PGF2 followed by GnRH treatment
    • Journal Animal Science Volume 61
    • Cruz, L.C., Valle, E.R., Esarey, D.C., Kesler, D.J. , (1985) The effect of naloxone and calf removal on the GnRH-inducec LH and FSH releases in postpartum suckled beef cows
    • Journal Animal Science Volume 61
    • Cruz, L.C., Valle, E.R., Kesler, D.J., Ott, R.S., Cmarik, G.F. , (1986) Effect of Indomethacin administered in a sustained release form on corpus luteum function and on pregnancy of postpartum beef cows treated with PGF2 and GnRH for ovulation control
    • Philippine Journal Veterinary Animal Science Volume 12
    • Cruz, L.C., Kesler, D.J. , (1986) The effect of GnRH-induced LH and FSH profile on ovulation response and corpus lutteum function in postpartum suckled beef cows
    • Phil Journal Veterinary Animal Science Volume 12:
    • Cruz, L.C., Valle, E.R., Ott, R.S., Kesler, D.J. , (1986) The effect of naloxone or short term calf removal on the pituitary responsiveness to exogenous GnRH in suckled beef cows
    • Philippine Journal Veterinary Animal Science Volume 12
    • Cruz, L.C., Kesler, D.J. , (1987) The relationship of GnRH-induced LH and FSH profile on ovulation response and corpus luteum function of postpartum suckled beef cows
    • Journal of Animal Science
    • Cruz, L.C., Kesler, D.J., ( 1987) The involvement of oxytocin in luteal regression
    • Philippine Journal Veterinary And Animal Science Volume 13, No. 13
    • Cruz, L.C., Kesler, D.J., (1987) Neurotransmitters, sexual differentiation and puberty
    • CLSU Science Journal Volume 7(2), No. 2
    • Cruz, L.C., Duran, P.G., Venturina, H., Aquino, E., Hufana, D., Rellin, F., Smith, O.F., Mamuad, F. , (1988) Ovarian responses of carabaos treated with PGF2 followed by GnRH and Al at one predetermined time
    • Philippine Journal Veterinary Animal Science Volume 16(4)
    • Cruz, L.C., Aquino, F., Duran, P., Macalandag, E., Matsumoto, T., Mamuad, F., Cuaresma, R. , ( 1989) Frozen buffalo semen handling and thawing practices of Al technicians and their effects on semen quality
    • Philippine Veterinary Animal Science Volume 16
    • Cruz, L.C., Smith, O.F., Adriano, F.A., Venturina, H.V., Lorenzo, N., Mamuad, F.V., Atabay, A.C., Duran, P.G., (1992) Ovarian follicular dynamics and responses to superovulaiory treatments in water buffaloes
    • Philippine Journal Veterinary Animal Science Volume 18(1)
    • Cruz, L.C. , (1993) Nuclear anc Gene Transfers in farm animals: Potentials and current limitations
    • CLSU Science Journal
    • Cruz, L.C. , (1994) Sex pre-selection of offspring in farm animals
    • Animal Husbandry and Agricultural Journal Volume 27
    • Cruz, L.C., Valle, E.R., Kesler, D.J., (1997) Effect of prostaglandin Hot and gonadotropin releasing hormone induced luteinizing releases on ovulation and corpus luteum function of beef cows
    • Animal Reproduction Science
    • Cruz, L.C., (1995) State of the art Biotechnology on livestock production: Animal breeding and reproductive physiology
    • PCARRD/DOST Livestock SOA-AB Series Volume 9
    • Cruz, L.C. , (1992) Carabao Production in the Philippines
    • UNDP/FAO PCARRD
    • Quines, O.D., De Leon, D.A., Blanchard, T., Cruz, L.C., ( 1979) Surgical technique for esophageal fistula in young calves
    • Philippine Journal of Veterinary and Animal Science Volume 3
    • Kesler, D.J., Cruz, L.C., Troxel, T.R., ( 1985) The effect of indomethacin on progesterone secretion by bovine corpora lutea, subcutaneous sustained release vs. intrauterine infusions
    • Journal Animal Science Volume 61
    • Valle, E.R., Cruz, L.C., Cmarik, G.F., Ott, R.S., Patterson, L.A., Kesler, D.J., (1986) The effect of short term calf removal, GnRH and its method of administration on ovulation response, corpus leteum function and fertility of postpartum suckled beef cpws synchronized with norgestomet and PGF2
    • Journal of Animal Siennce Volume 62
    • Kesler, D.J., Arganosa, A.S., Acorda, J.A., Cruz, L.C., Cmarik, G.F., (1986) The effect of GnRH on pregnancy rates of postpartum suckled beef cows synchronized with synchromate B and inseminated once at pre-determined time
    • Journal of Animal Science Volume 62
    • Chen, S.W., Kesler, D.J., Cruz, L.C. , (1986) Development of simple, rapid and sensitive quantification of progesterone via enzyme imunoassay
    • Philippine Journal Veterinary And Animal Science Volume 12
    • Duran, P.G., Cruz, L.C., Khoployklang, Matsumoto, T., Aquino, F., Cuaresma, R., Duran, P.G., Venturina, H., Mamuad, P.V. , (1986) Some reproductive parameters of Murrah buffalo kept under semi commercial herd
    • Philippine Journal Veterinary Animal Science Volume 12
    • Cruz, L.C., (1987) The effect of varying levels of glycerol and equilibration time on revivability of frozen buffalo semen
    • Philippine Journal Veterinary Animal Science Volume 13(4)
    • Duran P.G., Cruz, L.C., Venturina, H., Mamuad, F.V. , (1987) Occurrence of estrus, LH surge and ovulation in buffalo cows treated with PGF2 or PRID
    • Philippine Journal Veterinary Animal Science Volume 13(4)
    • Mamuad, F.V., Cuaresma, R.O., Matsumoto, T., Aquino, F., Cruz, L.C. , (1988) Minimizing reduction in fertilizing capac ty of frozen buffalo semen due to improper handling techniques
    • Philippine Journal Veterinary Animal
    • Ocampo, M.B., Uenishi, R.S., Valdez, C.A., Pastor, J., Cruz, L.C., Kanagawa, H. , (1988) Non-surgical embryo recoveiy in water buffalo
    • Journal Journal Veterinary Res. Volume 36
    • Kesler, D.J., Cruz, L.C., Sargent, G.F., Mc Kenzie, J.A., (1988) The effect of constant delivery of GnRh on the episodic secretion of of equine LH
    • Journal of Cont. Rel. Volume 8
    • Matsumoto, T., Cuaresma, R., Aquino, F., D Dela Cruz, P., Atabay, E., Venturina, H. , (1989) Assessment of libido, semen production and quality of Murrah and crossbred (50 MB x 50 P) bulls under two feeding regimes
    • Philippine Jounal of Veterinary and Animal Science Volume 16
    • Pastor, J., Eyadan, J., Ocampo, M., Valdez, C., Uenishi, R., Atabay, E., Duran,P., Kanagawa, H., Cruz, L.C. , (1989) Premilinary study on superovulation and non-surgical embryo recovery techniques in water buffaloes
    • Philippine Journal Veterinary Animal Science Volume 16
    • Aquino, E.J., Duran, P.G., et.al., (1989) Effect of time of GnRH administration on ovulation response and on CL function in postpartum buffalo cows treated with PC F2alpha for synchronization of estrus
    • Philippine Journal of Veterinary and Animal Science Volume 17
    • Macalandag, E., Faylon, P.S., Ranjhan, S.K., Cruz, L.C. , (1990) Assessment of social and technical factors affecting effective artificial insemination of buffaloes in Regions III and VII
    • Philippine Journal Veterinary Animal Science Volume 16
    • Serra, A., Serra, F.B., Faylon, P.S., Cruz, L.C. , (1990) On-faun study of lambing pattern of indigenous sheep under glazing conditions
    • Philippine Journal Veterinary Animal Science Volume 16
    • Duran, P.G., Venturina, H., Cruz, L.C. , ( 1990) Onset of estrus, occurrence of ovulation and estrous cycle length of yclic water buffaloes after PGF2 alpha or PRID treatments
    • Philippine Journal Veterinary Animal Science Volume 16
    • Duran, P.G., Venturina, H., Cruz, L.C. , (1990) Onset of estrus, occurrence of ovulation and estrous cycle length of water buffaloes after PGF2 alpha or PRID treatments
    • Philippine Journal Veterinary Animal Science Volume 16
    • Rellin, F.T., Cruz, L.C., Duran, P.G., Matsumoto,T., Cuaresma, R., Aquino, F., Dela Cruz, P., Atabay, E. , (1990) The influence of varying number of false mounts on semen production, quality and reaction time in MB and CB
    • Philippine Journal of Veterinary and Animal Science Volume 16
    • Smith, 0.F., Adrian, F., Duran, P., Atabay, E., Jha, S., Niwat, T., Serra, P., Cruz, L.C. , (1990) Ovarian structures and follicular population in water buffaloes (Bubalus bubalis)
    • Philippine Journal of Veterinary and Animal Science Volume 16
    • Dela Cruz, P.C., Aquino, D.L., Neric, S.P., Ranjhan, K., Cruz, L.C. , (1990) Development and evaluation of urea-molasses mineral lick for grazing buffaloes. II. Forage intake, digestibility and ADG fed formation of UMMB and concentrates
    • Philippine Journal Veterinary Animal Science Volume 16
    • Fujihara, T., Matsumoto, T., Hayashi, S., Robles, A.Y., Serra, A.B., Cruz, L.C., Shimizu, H. , (1992) Mineral status of grazing Philippine goats. I The nutrition of calcium, magnesium, and phosphorus of goats in Luzon Island
    • Aust. Asia Journal Animal Science Volume 5(2)
    • Fujihara, T., Matsumoto, T., Hayashi, S., Robles, A.Y., Serra, A.B., Cruz, L.C., Shimizu, H. , (1992) Mineral status of grazing Philippine goats II. The nutrition of selenium, copper, and zinc of goats in Luzon island
    • Aust. Asia Journal of Animal Science Volume 5(2)
    • Troxel, T.R., Cruz, L.C., Ott, R.S., Kesler, D.J., (1993) Norgestomet and gonadotropin releasing hormone enhance corpus luteum function and fertility of postpartum suckled beef cows
    • Journal of Animal Science Volume 71
    • Serra, A.B., Sera, S.D., Serra, F.B., Domingo, I.J., Cruz, L.C., Fujihara, T. , (1995) Diets of the Philippine Indigenous sheep: Its comparison to indigenous goat diets and influence of sampling methods
    • AJAS Volume 8, No. 2
    • Favero, R.J., Cruz, L.C., Kesfer, D.J., (1995) The effect of constant delivery of gonadotropin releasing hormone on fertility of cattle
    • Drug Delivery and industry Pharmacy Volume 21(20)
    • Serra, A.B., Serra, S.D., Fujihara, M., Orden, E.A., Cruz, L.C., Ichinohe, T., (1996) Monthly nutrient variation of Paragrass (Brachiaria mutica) and Stargrass (Cynodon plectostachyum) collected iron pastures grazed by goats
    • Asian-Australasian Journal of Animal Sciences Volume 9
    • Do Valle, E.R., Cruz, L.C., Kesler, D.J. , (1997) Gonadotropin releasing hormone enhances the calving rate of beef fE iiales administered norgestomet and alfaproslol for estrus synchronization
    • Journal of Animal Science Volume 75
    • Serra, A.B., Serra, S.D., Orden, E.A., Cruz, L.C., Nakamura, K., Fujihara, T. , (1997) Variability in ash, crude protein, detergent fiber and mineral content of some minor plant species collected pastures grazed by goats
    • Asian-Australasian Journal of Animal Sciences Volume 10
    • Duran, D.H., Aquino, F.P., De Vera, R.V., Pedro, P.B., Cruz, L.C. , (1998) Effects of some physical parameters of embryo development of Buffalo oocytes matured and fertilized in vitro
    • Philippine Journal of Veterinary and Animal Science Volume 24, No. 1-2
    • Orden, E,A.,Serra, A.B., Nakamura, K., Cruz, L.C., Fujihara, T. , (2000) Direct effects of cooper and selenium suplementation and its subsequent effects on other plasma minerals, body weight and hematocrit count of grazing Philippine goats
    • Asian-Australasian Journal of Animal Sciences Volume 13
    • Hayashida, M., Orden, E.A., Cruz, E.M., Cruz, L.C., Fujihara, T. , (2003) Effects of intaruminal soluble glass bolus or blood selenium and plasma mineral level of grazing does under backyard conditions in selected areas in Nueva Ecija, Philippines
    • Asian Journal of Animal Science Volume 16 (2)
    • Hayashida, M., Orden, E.A., Cruz, E.M., Cruz, L.C., Fujihara, T. , (2004) Effects of concentrate supplementation on blood mineral concentration of growing upgraded Philippine Goats
    • Animal Science Journal Volume 75 (2)
    • Chinohe T., Orden, E.A., Del Barrio, A.N., Lapitan, R.M., Fujihara, T., Cruz, L.C., Kanai, Y. , (2004) Comparison of voluntary feed intake, rumen passage and degradation kinetics between crossbred Brahman cattle (Bos Indicus) and swamp buffalo (Bubalus bubalis) fed a fattening diet based on corn silage
    • Animal Science Journal Volume 75
    • Lapitan, R.M., Del Barrio, A.N., Katsube, O., Ordern, E.A., Robles, A.Y., Fujihara, T., Cruz, L.C., Kanai, Y. , (2004) Comparison of feed intake, digestibility and fattening performance of Brahman grade cattle (Bas Indicus) and crossbred water buffalo (Bubalus bubalis)
    • Animal Science Journal Volume 75
    • Koga, A., Sugiyana, M., Del Barrio, A.N., Lapitan, R.M., Arenda, B.R., Robles, A.Y., Cruz, L.C., Kanai, Y. , (2004 ) Comparison of thermoregulatory response of buffaloes and tropical cattle, using fluctuations at rectal temperature, skin temperature and haernatocrit as an index
    • Journal of Agriculture Science Volume 142
    • Ban-Tokuda, Tomomi, Orden, E.A., Del Barrio, A., Lapitan, R.M., Delavacid, C., Chilliard, Y., Fujihara, T., cruz, L.C., Homa, H., Kania, Y., (2006) Effects of species and sex on plasma hormone and metabolite concentrations in crossbred brahman cattle and crossbred water buffalo
    • Livestock Science Volume 107
    • Huffana-Duran, D., duran, P.G., Kania, Y., Takashashi, Y., Cruz, L.C., (2005) Effect of density gradient sperm separation techniques on in-vitro fertilization potential in water buffalo semen with low post thaw mortalities
    • Philippine Agricultural Scientist Volume 88, No. 4
    • Atabay, E.P., Atabay, E.C., Duran, H.D., De Vera, R.V., Cruz, L.C. , (2006) Enhanced developmental competence of Buffalo oocytes in the presence of hormones and epidermal growth factor during in vitro maturation
    • Philippine Journal Veterinary Animal Science Volume 32 , No. 2
    • Neath, K.E., Del Barrio, A., Lapitan, R.M., Herrera, J.R., et. al., (2006) Difference in tenderness and pH decline between water buffalo meat and beef dairy postmortem aging
    • Meat Science Volume 75
    • Lapitan, R.M., Del Barrio, A., et. al. , (2007) Comparison of carcass and meat characteristics of Brahman grade Cattle (Bos indices) and crossbred water buffalo (Bubalus bubalis)
    • Animal Science Journal Volume 78
    • Lapitan, R.M., Del Barrio, A., et. al., (2007) Comparison of fattening performance of Brahman grade cattle (Bos Indices) and crossbred water buffalo (bubalus bubalis) fed on high roughage diet
    • Animal Science Journal Volume 79
    • Neath, K.E., Del Barrio, A., et. al., (2007) Protease activity higher in postmortem water buffalo meat than Brahman beef
    • Meat Science Volume 77
    • Orden, E.A., Serra, A.B., Serra, S.D., Aganon, C.P., Cruz, E.M., Cruz, L.C., Fujihara, T. , (1999) Mineral concentration in blood of grazing goats and some forage in lahar-laden area in Central Luzon, Philippines
    • Asian-Australasian Journal of Animal Sciences Volume 12

Trainings

    • In-vivo apiration of Immature Bovine Oocytes and Eventual IVM/IVF, Jl 1994 - Ag 1994, Miyasaki University and Kagoshima University, Japan
    • Nuclear Transfer Cloning and Gene Transfer Techniques in Bovine Embryos, 1992, Dept. of Meat and Animal Science, University of Wisconsin, Madison, USA
    • In-vitro Maturation, Fertilization, and Cryopreservation of Murine Embryos, 1990, Institute of Medical Science, University of Tokyo, Japan
    • Antibody Production and Purification Techniques, 1989, Hormone Assay Center, Gunma University, Japan
    • Enzyme Immunoassay of Steroid Hormones (Includes steroid-proteien conjugation), 1984, Physiology Research Laboratory, University of Illinois, Urbana, Illinois, USA
    • Drug Delivery System (for steroids and non-steroids anti-inflamatory substances), 1985, UIUC, Champaign, USA
    • Enzyme Immunoassay of Macromolecules, 1988, Miyasaki Medical School, Miyazaki, Japan
    • Radio Immunoassay of Peptide, Protein and Steroid Hormones, 1983, UIUC, Champaign, USA
    • Superovulation, Embryo Collection, Cryopreservation and Transfer Techniques in Bovine, 1983, Dept. of Dairy Science, University of Illinois, Urbana, Illinois, USA
    • Radioisoptopes in Laboratory and Animal Research, 1982, UIUC, Champaign, USA
    • American Society of Animal Science, 1984 Ag 7 - 1984 Ag 10, University of Missouri, Columbia, Missouri USA
    • Methods for Improving of Fertility in Cows Postpartum, 1984 N 5 - 1984 N 6, University of Michigan, East Lansing, Michigan, USA
    • 10th International Congress on Animal Reproduction and Artificial Insemination, 1984 Je, University of Illinois, Urbana, Illinois, USa
    • 18th Annual Meeting, American Society of Animal Science, Midwestern Section, 1985 Mr 25 - 1985 Mr 27, American Congress Hotel, Chicago, Illinois,USA
    • 80th Annual Meeting American Dairy Science Association, 1985 Je 9 - 1985 Je 12, University of Illinois, Urbana, Illinois, USA
    • 77th Annual Meeting American Society of Animal Science, 1985 Ag 12 - 1985 Ag 16, University of Georgia, Anthens, Georgia
    • 19th Annual Meeting American Society of Animal Science, 1986 Mr 24 - 1986 Mr 26, Midwestern Section, des Moines Iowa
    • International seminar on Prospects and Problems of Asian Buffalo Development, 1988Ap 18 - 1988 Ap 23, PCARRD Los Banos, Laguna, Philippines
    • Annual Scientific Meeting of the Japanese Society of Animal Reproduction, 1988 Ap 01, Tokyo, Japan
    • 11th International Congress on Animal Reproduction and Artificial Insemination, 1988 Je 26 - 1988 Je 30, University College Dublin, Ireland
    • International Conference on Science Policy for Developing Countries, 1988 Jl 14, Manila Hotel, Manila, Philippines
    • Annual Meeting of the Japanese Society of Animal Reproduction, 1989 Ap 02, Tokyo, Japan
    • International Symposium on Buffalo Genotypes for Small Farms in Asia, 1989 My 15 - 1989 My 20, Holiday Inn, Kuala Lumpur, Malaysia
    • symposium on Bovine Postpartum Physiology, 1990 F 20, Tokyo, Japan
    • 7th Asian Agriculture Symposium, 1990 N 12 - 1990 N 15, Kumamoto, Japan
    • 3rd World Buffalo Congress, 1991 My 13 - 1991 My 18, Varga, Bulgaria
    • FAO Roundatable Discussion on Reproduction Biotechnology in Buffalo, 1991 My 15 - 1991 My 18, Varna, Bulgaria
    • Symposium on Steroid Receptor Super Family, 1992 My 02 - 1992 My 04, University of Wisconsin, Madison
    • 2nd Endocrinology Reproductive Physiology Program Symposium, 1992 S 10, Wisconsin Center, University of Wisconsin Madison
    • World Dairy Expo, 1992 O 01 - 1992 O 04, Madison, Wisconsin,USA
    • 6th AAAP Congress, 1992 N 23 - 1992 N 28, Sukhothai Thammathirat Open University,Bangkok Thailand
    • Annual Scientific Meeting, Japanese Society of Animal Reproduction, 1993 Mr 29, Tokyo, Japan
    • 1st Asian Buffalo Association Congress, 1994 Ja 17 - 1994 Ja 22, Khon Kaen,Thailand
    • 4th World Buffalo Congress, 1994 Je 27 - 1994 Je 30, Sao Paolo, Brazil
    • The Conference of Minister of Food and Agriculture of the Non-aligned Movement on Food Security, 1994 O 07 - 1994 11, Bali, Indonesia
    • International Livestock Research Institute Consultation on Livestock Research on Southeast Asia, 1995 My 10 - 1995 My 13, IRRI, Philippines
    • International Seminar on Indigenous Feed Resources for Sustainable Livestock Productivity, 1995 Je 19 - 1995 Je 24, FFTC-DA, BSWM, Quezon City, Philippines
    • Inaugural Meeting of the Joint Committee on Cooperation in Agriculture, 1995 Je 26 - 1995 Je 28, Kuala Lumpur ,Malaysia
    • Inaugural Meeting Cooperative Research on Intensive Beef/Carabeef Production, 1995 Je 23 - 1995 Je 30, Miyazaki University, Miyazaki , Japan
    • 2nd Asian Buffalo Association Congress, 1996 O 09 - 1996 O 12, Manila, Philippines
    • 8th Animal Science Congress of the AAAP, 1996 O 12 - 1996 O 18, Tokyo, Japan
    • 8th World Congress on Animal Production, 1998 Je 28 - 1998 Jl 04, Seoul National University, Seoul Korea
    • 3rd Asian Buffalo Congress, 2000 Ap 26 - 2000 Ap 30, Kandi, Sri Lanka
    • Aquintania 2000, 2000 My 21 - 2000 My 30, France
    • Regional Workshop on Buffalo Development in Asia, 2001 F 06 - 2001 F 11, Surin, Thailanad
    • 6th World Buffalo Congress, 2001 My 20 - 2001 My 23, Macaraibo, Venezuela
    • 4th Asian Buffalo Congress, 2002 F 25 - 2002 F 28, New Delhi, India
    • 12th Buiatric Congress, 2002 Ag 19 - 2002 Ag 22, Hannover, Germany
    • 5th EAAP Congress, 2003 Ag 28 - 2003 Ag 30, Rome, Italy
    • 7th WBC Congress, 2004 O 20 - 2004 O 23, Manila, Philippines
    • International Seminar on Artificial Reproductive Biotechniques for Buffaloes, 2006 Ag 29 - 2006 Ag 31, Bogor, Indonesia
    • 10th Asian Pacific Economic Cooperation Research Development, 2006 N 05 - 2006 N 11, Manila, Philippines
    • 3rd International Conference on Agriculture Education and Environment, 2007 N 04 - 2007 N 07, PCC, Nueva Ecija, Philippines