Roland Billard
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Biology
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Biochemistry
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Chemistry Biology
Roland Billard's Degrees
- PhD Biochemistry Stanford University
- Bachelors Chemistry University of California, Berkeley
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(Suggest an Edit or Addition)Roland Billard's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- 7 The Gonadal Steroids (1983) (491)
- Some problems related to the assessment of sperm motility in freshwater fish (1992) (444)
- Biology and conservation of sturgeon and paddlefish (2000) (433)
- Spermatogenesis and spermatology of some teleost fish species (1986) (430)
- Biology of sperm and artificial reproduction in carp (1995) (332)
- Cryopreservation of sperm in marine fish (2000) (303)
- Reproduction in rainbow trout: sex differentiation, dynamics of gametogenesis, biology and preservation of gametes (1992) (279)
- Interactions of catecholamines and GnRH in regulation of gonadotropin secretion in teleost fish. (1986) (272)
- Endocrine Control of Spermatogenesis in Teleost Fish (1982) (260)
- Relationship between sperm ATP content and motility of carp spermatozoa. (1995) (251)
- Trout sperm motility. The transient movement of trout sperm is related to changes in the concentration of ATP following the activation of the flagellar movement. (1987) (233)
- Studying sperm motility in marine fish: an overview on the state of the art (2008) (192)
- Changes in structure and fertilizing ability of marine and preshwater fish spermatozoa diluted in media of various salinities (1978) (191)
- Onset of gonadotropic hormone accumulation in the immature trout pituitary gland in response to estrogen or aromatizable androgen steroid hormones. (1981) (183)
- Marine fish spermatozoa: racing ephemeral swimmers. (2008) (154)
- Stress, environment and reproduction in teleost fish (1981) (152)
- Motility of fresh and aged halibut sperm (1993) (139)
- Cryopreservation and short-term storage of sturgeon sperm, a review (2004) (136)
- Sperm features in turbot (Scophthalmus maximus): a comparison with other freshwater and marine fish species (1994) (132)
- Comparative distribution of somatostatin, LH-RH, neurophysin, and alpha-endorphin in the rainbow trout: an immunocytological study. (1979) (127)
- Rise of internal Ca2+ accompanies the initiation of trout sperm motility (1989) (124)
- Nucleotide content, oxydative phosphorylation, morphology, and fertilizing capacity of turbot (Psetta maxima) spermatozoa during the motility period (1999) (116)
- Plasma 11-oxotestosterone and gonadotropin during the beginning of spermiation in rainbow trout (Salmo gairdneri R.). (1982) (113)
- The ageing phenomenon of turbot spermatozoa: effects on morphology, motility and concentration, intracellular ATP content, fertilization, and storage capacities (1998) (113)
- Artificial insemination in turbot (Scophthalmus maximus): determination of the optimal sperm to egg ratio and time of gamete contact (1995) (106)
- Cryopreservation of turbot (Scophthalmus maximus) spermatozoa. (1997) (106)
- Spawning and management of gametes, fertilized eggs and embryos in Siluroidei (1996) (105)
- Initiation of carp spermatozoa motility and early ATP reduction after milt contamination by urine (1998) (100)
- Cryopreservation of rainbow trout sperm by deep-freezing. (1980) (99)
- Motility and fertilizing capacity of fresh and frozen-thawed spermatozoa in sturgeons Acipenser Baeri and A. ruthenus (1996) (98)
- The culture of sturgeons in Russia: production of juveniles for stocking and meat for human consumption (2001) (96)
- In vitro maturation of the potential for movement of carp spermatozoa (1991) (94)
- Effects of extracellular environment on the osmotic signal transduction involved in activation of motility of carp spermatozoa. (1997) (93)
- Short-term preservation of carp (Cyprinus carpio) semen (1988) (92)
- Effect of urine on semen quality in turbot (Psetta maxima) (1998) (88)
- Rapid and quantitative assessment of trout spermatozoa motility using stroboscopy (1985) (88)
- Effects of osmolality, morphology perturbations and intracellular nucleotide content during the movement of sea bass (Dicentrarchus labrax) spermatozoa. (1999) (87)
- Advancement and synchronisation of spawning in Salmo gairdneri and S. trutta following administration of LRH-A combined or not with pimozide (1984) (85)
- Sperm motility in turbot, Scophthalmus marimus: initiation of movement and changes with time of swimming characteristics (1995) (81)
- Morphology, composition and fertilization of carp eggs: a review. (1995) (80)
- Ultrastructure of trout spermatozoa: Changes after dilution and deep-freezing (2004) (79)
- Stimulation of gonadotropin secretion after castration in rainbow trout. (1977) (79)
- Aquaculture of Cyprinids. (1986) (77)
- On the inhibitory effect of some steroids on spermatogenesis in adult rainbow trout (Salmo gairdneri) (1981) (74)
- Cryopreservation of European catfish (Silurus glanis L.) spermatozoa (1993) (72)
- Gonadotropin release after implantation of anti-estrogens in the pituitary and hypothalamus of goldfish Carassius auratus. (1977) (71)
- Morphological and kinetic changes of carp (Cyprinus carpio) spermatozoa after initiation of motility in distilled water. (1996) (70)
- A stereotaxic atlas and technique for nuclei of the diencephalon of rainbow trout (Salmo gairdneri). (1982) (70)
- Short-term preservation of sperm under oxygen atmosphere in rainbow trout (Salmo gairdneri) (1981) (69)
- Spermatozoa production and volume of semen collected after hormonal stimulation in the carp, Cyprinus carpio (1987) (68)
- cAMP/ATP relationship in the activation of trout sperm motility: their interaction in membrane-deprived models and in live spermatozoa. (1995) (67)
- Elevations in gonadotrophin concentrations and milt volumes as a result of spawning behavior in the goldfish. (1985) (67)
- Effects of photoperiod and temperature on plasma gonadotropin and spermatogenesis in the rainbow trout Salmo gairdnerii Richardson (1977) (66)
- Stimulation of gonadotropin secretion by intraventricular injection of hypothalamic extracts in the goldfish, Carassius auratus. (1976) (66)
- Motility analysis and energetics of the Siberian sturgeon Acipenser baerii spermatozoa (1999) (64)
- The culture of the European catfish, Silurus glanis, in the Czech Republic and in France (2002) (62)
- Degradation of the quality of carp sperm by urine contamination during stripping (1995) (62)
- Long-term effects of the cryopreservation of turbot (Psetta maxima) spermatozoa (1998) (58)
- Testicular feed back on the hypothalamo-pituitary axis in rainbow trout (Salmo gairdneri R.) (1978) (57)
- Synchronous triggering of trout sperm is followed by an invariable set sequence of movement parameters whatever the incubation medium. (1991) (54)
- Temperature and reproduction in tench: effect of a rise in the annual temperature regime on gonadotropin level, gametogenesis and spawning. I. The male. (1980) (52)
- Changes in the flagellum morphology of intact and frozen/thawed Siberian sturgeon Acipenser baerii (Brandt) sperm during motility. (2000) (52)
- Changes in plasma gonadotropin after ovariectomy and estradiol supplementation at different stages at the end of the reproductive cycle in the rainbow trout (Salmo gairdneri R.). (1981) (51)
- Chemical and biochemical composition of caviar from different sturgeon species and origins. (2000) (51)
- Stimulation of spermiation by LHRH analogue in carp. (1984) (51)
- Immunoreactive gonadotropin-releasing hormone-like material in the brain and the pituitary gland during the periovulatory period in the brown trout (Salmo trutta L.): relationships with the plasma and pituitary gonadotropin. (1986) (51)
- Rhythms of reproduction in teleost fish (1978) (51)
- PRELIMINARY EXPERIMENTS ON SEX CONTROL IN TROUT : PRODUCTION OF STERILE FISHES AND SIMULTANEOUS SELF-FERTILIZABLE HERMAPHRODITES (1975) (49)
- 1H-NMR and (31)P-NMR analysis of energy metabolism of quiescent and motile turbot (Psetta maxima) spermatozoa. (2000) (48)
- Seasonal effects of exposure to temperature and photoperiod regimes on gonad growth and plasma gonadotropin in goldfish (Carassius auratus) (1978) (46)
- Influence of testosterone on precocious sexual development in immature rainbow trout. (1985) (46)
- Changes in the number of germ cells in the gonads of the rainbow trout (Salmo gairdneri) during the first 10 post-hatching weeks. (1982) (45)
- Spermiation and sperm quality of European catfish (Silurus glanis L.) after implantation of GnRH analogues and injection of carp pituitary extract (1994) (45)
- Stimulation of spermiation and induction of ovulation in pike (Esox lucius) (1980) (44)
- Pituitary response to LH-RH at different stages of gametogenesis in the rainbow trout (Salmo gairdneri) (1978) (43)
- Survival of ovulated oocytes of the European catfish (Silurus glanis) after in vivo and in vitro storage or exposure to saline solutions and urine (1995) (43)
- Reproduction of pike: gametogenesis, gamete biology and early development (1996) (43)
- The reproductive cycle of male and female brown trout (Salmo trutta fario): a quantitative study (1987) (42)
- Movements of fish sperm flagella studied by high speed videomicroscopy coupled to computer assisted image analysis (1997) (41)
- Spermiogenesis in the rainbow trout (Salmo gairdneri) (1983) (39)
- Chromosomal and morphological abnormalities caused by oocyte ageing in Silurus glanis (1998) (39)
- A new technique of artificial insemination for salmonids using a sperm diluent (1977) (38)
- Ultrastructural changes in the spermatogonia and spermatocytes of Poecilia reticulata during spermatogenesis (2004) (38)
- Resorption of spermatozoa in the sperm duct of rainbow trout during the post-spawning period. (1983) (38)
- Biology of gametes and artificial reproduction in common tench, Tinca tinca [L.]. A review (1995) (36)
- A quantitative analysis of spermatogenesis in the trout, Salmo trutta fario (2004) (35)
- The micropyle of trout eggs and its reaction to different incubation media (1974) (35)
- Ultrastructural studies on experimentally induced vitellogenesis in juvenile rainbow trout (Salmo gairdneri R.) (1978) (34)
- Diploid gynogenesis induced by heat shocks after activation with UV-irradiated sperm in common carp (1986) (33)
- III. Gonad Differentiation and Gamete Management Structure of Micropyle Surface on Oocytes and Caviar Grains in Sturgeons (2002) (31)
- Biology of the gametes of some teleost species (1986) (30)
- The influence of immature gonads on onset of gonadotropic hormone accumulation in the juvenile rainbow trout pituitary gland. (1982) (30)
- Annual and Daily Changes in Plasma Gonadotropin and Sex Steroids in Relation to Teleost Gonad Cycles (1984) (30)
- The amino acid composition of rainbow trout (Salmo gairdneri) seminal fluid and blood plasma: A comparison with carp (Cyprinus carpio) (1984) (30)
- Sperm motility in rainbow trout, Parasalmo mykiss; effect of pH and temperature. (1988) (28)
- Chapter 5 – Gamete Removal, Fertilization and Incubation (1996) (28)
- Some data on gametes preservation and artificial insemination in teleost fish (1978) (27)
- Effects of LHRH and LHRH-A on plasma GtH levels and maturation/ovulation in the common carp, Cyprinus carpio, kept under various environmental conditions (1984) (27)
- Artifical Insemination in Trout Using a Sperm Diluant (1974) (26)
- Plasma 11-oxotestosterone and gonadotrophin in relation to the arrest of spermiation in rainbow trout (Salmo gairdneri). (1984) (26)
- Control of reproduction in northern pike (1978) (22)
- Delay of gametogenesis and spawning by constant illumination of rainbow trout (Salmo gairdneri) during the first reproductive cycle (1984) (22)
- Endocrinology and fish culture (1989) (22)
- Fatty Acid Composition in Sturgeon Caviar from Different Species: Comparing Wild and Farmed Origins (2002) (22)
- Ultrastructure of the oocyte envelopes of some Eurasian acipenserids (2008) (21)
- Attempts to inhibit testicular growth in rainbow trout with antiandrogens (cyproterone, cyproterone acetate, oxymetholone) and busulfan given during the period of spermatogenesis. (1982) (21)
- Testicular and some hormonal changes during the first four years of life in the mirror carp, Cyprinus carpio L. (1992) (20)
- Observations on a possible pheromonal stimulation of milt production in carp (Cyprinus carpio L.) (1989) (20)
- Hormonal control of sperm production in teleost fish. (1990) (19)
- A stereotaxic atlas and implantation technique for nuclei of the diencephalon of Atlantic salmon (Salmo salar) parr. (1991) (18)
- Stimulation of gonadotropin secretion and spermiation in carp by pimozide-LRH-A treatment: Effects of dose and time of day (1987) (18)
- Stimulation of spermiation following repeated injection of carp pituitary homogenates in the carp (1986) (17)
- Effects of third ventricle injection of prostaglandins on gonadotropin secretion in goldfish, Carassius auratus. (1976) (17)
- Ultrastructural studies of sperm penetration in the egg of the European catfish, Silurus glanis (1994) (16)
- The Energetics of Fish Sperm Motility (2020) (16)
- Delayed gametogenesis and spawning in rainbow trout (Salmo gairdneri) kept under permanent light during the first and second reproductive cycles (1984) (16)
- Artificial insemination and gamete management in European catfish, Silurus glanis L. (1997) (15)
- Trends in Cyprinid polyculture (2004) (15)
- II. Rearing Techniques of Sturgeons The Culture of Live Food for Sturgeon Juveniles, a Mini Review of the Russian Literature (2002) (14)
- Survie in vitro et post mortem des gametes de truite fario (Salmo trutta fario) (1981) (13)
- LA SPERMATOGENÈSE DE POECILIA RETICULATA. II. — LA PRODUCTION SPERMATOGÉNÉTIQUE (1969) (13)
- Use of immunofluorescence for localization of somatostatin-like antigen in the rainbow trout (Salmo gairdneri). Comparative distribution of LH-RF and neurophysin (1978) (13)
- Pituitary and plasma gonadotrophin levels and spermatogenesis in the goldfish Carassius auratus after methallibure treatment. (1973) (13)
- Induction of sperm release in the goldfish by some steroids (1976) (13)
- Effects of changes of photoperiod on gametogenesis in the rainbow trout (Salmo gairdneri). (1981) (13)
- [In vitro stimulation of the release of pituitary gonadotropic hormone by a hypothalamic factor in the carp Cyprinus carpio L]. (1971) (12)
- The current state of research and culture of tench, Tinca tinca Linnaeus [ 1758 ]. Concluding remarks on the workshop (1995) (12)
- Inhibition of Spermatogenesis and Vitellogenesis in Rainbow Trout by Hormonal Additives in the Diet (1982) (12)
- Effect of Some Fish Anesthetics on Gamete Survival during Artificial Insemination of Rainbow Trout (1981) (12)
- Hypophysation of Indian major carps: S.L. Chondar. Satish Book Enterprise, Motihatra, Agra 3, India, 1980, 146 pp (1981) (10)
- [Reciprocal activity of hypothalamic factors of rams (Ovis aries) and of teleostean fishes on the secretion in vitro of gonadotropic hormones c-HG and LH, respectively, by carp and ram hypophyses]. (1972) (10)
- Formation of the chorion in carp oocytes. An analysis of the kinetics of its elevation as a function of oocyte ageing, fertilization and the composition of the dilution medium (1987) (10)
- Hormonal control of gamete production in male teleost fish. (1990) (10)
- Reproduction and artificial insemination in teleost fish. (1980) (9)
- Biochemical and morphological changes in the chorion of the carp (Cyprinus carpio) oocyte, following the cortical reaction (1990) (9)
- Stimulation of spermiation in carp in response to LH-RH and D-Ala6-LH-RH ethylamide (1983) (9)
- [Demonstration of several enzymes in the sperm of the carp (Cyprinus carpio L.)and the trout (Salmo gairdnerii Richardson) and in the coelomic fluid of the trout]. (1974) (9)
- Immunological cross-reaction between pituitary gonadotropin from North Atlantic fish. (1980) (9)
- BIOLOGY AND CONTROL OF REPRODUCTION OF STURGEONS IN FISH FARM (2000) (9)
- INHIBITION DE LA SPERMATOGENÈSE DU GUPPY (POISSON CYPRINODONTIDAE) PAR LE MÉTHALLIBURE (1970) (8)
- Cryopreservation of turbot () spermatozoa (1997) (8)
- Stimulation of gonadotropin secretion in goldfish by elevation of rearing temperature (1977) (8)
- Some Aspects of Spermatogenesis and Spermatology in Teleost Fish (1983) (7)
- Effect of various hormones on sperm release in the hypophysectomized goldfish (1977) (7)
- [Demonstration of the characteristic movement of living microorganisms owing to the study of the inelastic diffusion of light]. (1967) (5)
- [Hypophysectomy and spermatogenesis in Poecilia reticulata (Cyprinodontidae fish)]. (1969) (5)
- [Stimulation of pituitary gonadotropin secretion after castration in rainbow trout: variation of the response during the reproductive cycle]. (1976) (5)
- II. Rearing Techniques of Sturgeons Rearing the Stellate Sturgeon Acipenser stellatus in Mono- and Polyculture with Chinese and Common Carps in Ponds (2002) (4)
- [Maturational glycoprotein gonadotropin and estradiol-17-beta during the reproductive cycle of the female brown trout (Salmo trutta)]. (1983) (4)
- Resorption of spermatozoa in the sperm duct of rainbow trout [Salmo gairdnerii] during the post-spawning period (1983) (4)
- Rearing paddlefish Polyodon spathula to maturity in ponds in the Republic of Moldavia (2002) (4)
- Effects of altered photoperiod on serum gonadotrophin levels and spawning in female rainbow trout [proceedings]. (1978) (3)
- [Free and peptide amino acid composition in the seminal fluid of the carp (Cyprinus carpio)]. (1983) (2)
- Control of reproduction and fish farming (1985) (2)
- [Biological assay of gonadotropic hormones of fishes by the test of maturation in vitro of trout ovocytes]. (1974) (2)
- New data on the possibilities of controlling reproduction in teleost fish by hormonal treatment (1978) (1)
- Maturational gonadotropin hormone [ GtH ] and gonadotropin releasing hormone [ GnRH ] changes during growth and sexual maturation of female carp [ Cyprinus carpio L.] (1992) (1)
- [Glycogen during the formation and transit of spermatozoa in the male and female genital tract of the guppy (Poisson poecilide)]. (1973) (1)
- [Preliminary molecular phylogeny of the fishes based on sequence analysis of 28S ribosomal RNA]. (1989) (1)
- Induction of sperm release in rana esculenta by LH/FSH releasing hormone (1975) (1)
- Aquaculture of cyprinids = L'aquaculture des cyprinidés (1986) (1)
- Present status and prospects of pond culture. (1980) (1)
- Daniel Gerdeaux (ed.), Gestion piscicole des grands plans d'eau (Fish Management in Large Water Bodies) (2004) (1)
- [Potentiation by pimozide of the effects of LHRH-A on hypophyseal gonadotropin secretion, ovulation and spermiation in the common carp (Cyprinus carpio)]. (1983) (1)
- Some whys and wherefores in fish endocrinology? (1993) (1)
- Effects of pimozide and LHRH-Aa on carp (Cyprinus carpio L.) oocyte maturation and ovulationin vivo (1986) (1)
- [Method for the quantitative analysis of spermatogenesis in teleost fish]. (1974) (0)
- Circadian changes in GtH secretion in carp males in contact or not with another male or hypophysed female (1988) (0)
- Present situation of fish production in freshwater ponds in some regions of France. (1980) (0)
- Pituitary preparations in fish culture : acquisition and use. (1980) (0)
- Acknowledgements for refereeing (2004) (0)
- Detritus and agents of decomposition in aquatic ecosystems. (1980) (0)
- Preface: Internat. Rev. Hydrobiol. 5–6/2002 (2002) (0)
- Nutritional requirements of fish, with particular reference to the common carp; addendum. (1980) (0)
- [Regeneration of the spermatogenesis of the hypophysectomized cyprid Carassius auratus. L. by a highly purified carp gonadotropic factor]. (1970) (0)
- [Effects of washing gametes on their fertilization in rainbow trout]. (1981) (0)
- Freezing of rainbow trout spermatozoa. (1980) (0)
- [Survival of the gametes of rainbow trout after dilution in saline or sucrose solutions]. (1980) (0)
- Reply to Birstein, DeSalle and Doukakis (2002) (0)
- Methods of production of plant-eating fish in China. (1980) (0)
- [Specificity of action and immunologic relations of gonadotropic hormones of some teleosts]. (1973) (0)
- Influence of the gonads and/or of LHRH analogue on gonadotropic function in testosterone-treated or untreated juvenile rainbow trout (1985) (0)
- [Immunocytology and histochemistry of hypophyseal gonadotropic and thyreotropic cells in the carp Cyprinus carpio]. (1971) (0)
- Level of nutrition during gametogenesis and reproductive performance in the brown trout. (1980) (0)
- Acknowledgements for refereeing (2004) (0)
- Extensive production of juvenile Atlantic salmon (Salmo salar) in lakes and ponds. (1980) (0)
- Project No. 4 : Urban Studies Investigation Programme 1972 (1972) (0)
- [Reproductive cycle of trout and tench: effect of experimental variations of the temperature (author's transl)]. (1975) (0)
- Housing rehabilitation: 2 areas in Carlton, case study (1973) (0)
- Preliminary results of application technologies to achieve the fish farms in Garfagnana: triployds and monosex females in brown trout (Salmo Trutta L.) (2002) (0)
- Induction of ovulation and stimulation of spermation by LHRH or an LHRH analog associated or not with pimozide. Effects on some teleost fish. (1983) (0)
- Impact of environmental factors in fish farm on spermatogenesis and spermatozoa (2000) (0)
- [Non-steroidal regulation of testicular origin of gonadotrope hormone secretion (GtH) in rainbow trout]. (1980) (0)
- Survival of rainbow trout gametes after dilution in saline or sucrose solutions. (1980) (0)
- Administration of a Gonadoliberin Against and of Dopamine Antagonist, in Female Silver Eel Pretreated with Estradiol. General and Comparative Endocrinology (2013) (0)
- New perspectives in Albania to devolop a sustaineable use of renewable water resource: innovative spin-off enterprises for new products and aquaculture in polyculture systems. Examples of correct management (2004) (0)
- Effects of carp hypothalamic extracts and synthetic LH/FSH-RH on the plasma level of gonadotropin in carp (Cyprinus carpio) (1973) (0)
- A discussion of some data on spermatogenesis in fish and on the adaptation of spermatozoa to environmental conditions. (1990) (0)
- [Radioimmunoassay of a gonadotropic hormone of the carp (Cyprinus carpio L.)]. (1971) (0)
- [Effects of the temperature on the level of plasma gonadotropins and spermatogenesis of the goldfish, Carassius auratus]. (1977) (0)
- Some techniques for the production of pond fish. (1980) (0)
- Author's index (2004) (0)
- Acknowledgements for refereeing (2004) (0)
- [Prolongation of the duration of motility and fertilizing ability of rainbow trout spermatozoa by the addition of theophylline to the dilution medium]. (1980) (0)
- NEW PERSPECTIVES IN ALBANIA TO DEVELOP A SUSTAINEABLE USE OF RENEWABLE WATER RESOURCE: INNOVATIVE SPIN-OFF ENTERPRISES FOR NEW PRODUCTS AND AQUACULTURE IN POLYCULTURE SYSTEMS (2004) (0)
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