Search Results - "López Greco, LS"

Effect of attractant stimuli, starvation period and food availability on digestive enzymes in the redclaw crayfish Cherax quadricarinatus (Parastacidae) by Sacristán, HJ, Nolasco-Soria, H, López Greco, LS

“…The first objective of this study was to determine whether incorporation of squid meal (SM) in food (base feed, BF) acts as an additional attractant for Cherax…”
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Sperm production in the red claw crayfish Cherax quadricarinatus (Decapoda, Parastacidae) by Bugnot, Ana B., López Greco, Laura S.

“…The objective of this study is to evaluate the effect of body size, temperature and annual cycle on sperm production in Cherax quadricarinatus. Sperm count and…”
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Population features of Microphrys bicornutus Latreille, 1825 (Brachyura, majidae) from Isla Margarita, Venezuela by GRECO, L. S, HERNANDEZ, J. E, BOLANOS, J, RODRIGUEZ, E. M, HERNANDEZ, G

“…The aim of this study is to characterize the population biology (sex ratio, size structure, relative growth of reproductive characters and realised fecundity)…”
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Structural alterations in the male reproductive system of the freshwater crayfish, Cherax quadricarinatus (Decapoda, Parastacidae) by Bugnot, Ana B., López Greco, Laura S.

“…No diseases affecting reproductive performance have been previously reported in freshwater crayfishes. This study aims to characterise one reproductive system…”
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Morphology of the male reproductive system and spermatophore formation in the freshwater 'red claw' crayfish Cherax quadricarinatus (Von Martens, 1898) (Decapoda, Parastacidae) by López Greco, Laura S., Vazquez, Fernanda, Rodríguez, Enrique M.

“…The morphology of the male reproductive system was studied in Cherax quadricarinatus. The testes and vasa deferentia were dissected, fixed, cut and stained…”
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novel spermatozoan ultrastructure in the shrimp Hippolyte obliquimanus Dana, 1852 (Decapoda: Caridea: Hippolytidae) by Terossi, Mariana, Tudge, Christopher, López Greco, Laura S, Mantelatto, Fernando L

“…The aim of this study was to describe and illustrate the morphology of the spermatozoon of the Western Atlantic shrimp, Hippolyte obliquimanus . Individuals…”
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Size at the onset of sexual maturity in the anomuran crab, Aegla uruguayana (Aeglidae) by Viau, Verónica E., López Greco, Laura S., Bond-Buckup, Georgina, Rodríguez, Enrique M.

“…The size at maturity was studied in the crab Aegla uruguayana from the Areco River (31°14′ S, 59°28′ W), Argentina. Size at sexual maturity was determined…”
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Effect of Methyl Farnesoate, Alone and in Combination with Other Hormones, on Ovarian Growth of the Red Swamp Crayfish, Procambarus clarkii, during Vitellogenesis by Rodríguez, Enrique M., López Greco, Laura S., Medesani, Daniel A., Laufer, Hans, Fingerman, Milton

“…The effect of methyl farnesoate (MF) on the ovaries of female red swamp crayfish, Procambarus clarkii, undergoing vitellogenesis was determined both in vivo…”
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Ovarian growth in the crab Chasmagnathus granulata induced by hormones and neuroregulators throughout the year. In vivo and in vitro studies by Zapata, V, López Greco, L.S, Medesani, D, Rodrı́guez, E.M

“…The hormones 17α-hydroxyprogesterone and juvenile hormone III (JHIII), as well as the dopaminergic antagonist spiperone, were assayed both in vivo and in vitro…”
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Toxicity of mercury during the embryonic development of Chasmagnathus granulatus (Brachyura, Varunidae) by Sánchez, María Victoria, Cahansky, Alejandra V., López Greco, Laura S., Rodríguez, Enrique M.

“…Ovigerous females of the estuarine crab Chasmagnathus granulatus were exposed to mercury (0.1 mg/L) during the entire, early, or late embryonic development. A…”
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JUVENILE HATCHING AND MATERNAL CARE IN AEGLA URUGUAYANA (ANOMURA, AEGLIDAE) by López Greco, Laura S, Viau, Verónica, Lavolpe, Mariano, Bond-Buckup, Georgina, Rodriguez, Enrique M

“…Ovigerous females of Aegla uruguayana were observed in the laboratory during the egg incubation period, under controlled conditions. Hatching of juveniles was…”
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Reproductive Performance In Cyrtograpsus Angulatus And Cyrtograpsus Altimanus (Brachyura, Varunidae) From Jabali Island, Argentina by Lopez Greco, LS, Rodriguez, E M

“…The reproductive performance of two Varunidae crabs, Cyrtograpsus angulatus and C. altimanus from Jabali Island (40 degree 32'S, 62 degree 15'W), Argentina,…”
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Juvenile Hatching And Maternal Care In Aegla Uruguayana (Anomura, Aeglidae) by Lopez Greco, LS, Viau, V, Lavolpe, M, Bond-Buckup, G, Rodriguez, E M

“…Ovigerous females of Aegla uruguayana were observed in the laboratory during the egg incubation period, under controlled conditions. Hatching of juveniles was…”
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Annual reproduction and growth of adult crabs Chasmagnathus granulata (Crustacea, Brachyura, Grapsidae) by LOPEZ GRECO, L. S, RODRIGUEZ, E. M

“…Somatic growth and gonadal maturation of Chasmagnathus granulata (Grapsidae, Sesarminae) were studied throughout one year. Spawning and moulting were recorded…”
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Inhibition of Ovarian Growth by Cadmium in the Fiddler Crab, Uca pugilator (Decapoda, Ocypodidae) by Rodríguez, Enrique M., López Greco, Laura S., Fingerman, Milton

“…The effect of cadmium chloride (1 mg/L) on oocyte growth of the fiddler crab, Uca pugilator, was studied during the slow vitellogenesis phase of ovarian…”
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Toxicity of cadmium and copper on larval and juvenile stages of the estuarine crab Chasmagnathus granulata (Brachyura, grapsidae) by LOPEZ GRECO, L. S, SANCHEZ, M. V, NICOLOSO, G. L, MEDESANI, D. A, RODRIGUEZ, E. M

“…The toxicity of cadmium and copper were assayed in the estuarine crab Chasmagnathus granulata. Acute assays were made on the first larvae stage, and both acute…”
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Disruption of endocrine regulation of glycemia levels by cadmium and copper in the estuarine crab chasmagnathus granulata by MEDESANI, D. A, LOPEZ GRECO, L. S, RODRIGUEZ, E. M

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Survival and molting of the pea crab larvae Tunicotheres moseri Rathbun 1918 (Brachyura, Pinnotheridae) exposed to copper by Lopez Greco, LS, Bolanos, J, Rodriguez, E M, Hernandez, G

“…The acute lethal toxicity of copper, as well as its sublethal effect on molting, was studied on larval and postlarval stages of the pinnotherid crab…”
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REPRODUCTIVE PERFORMANCE IN CYRTOGRAPSUS ANGULATUS AND CYRTOGRAPSUS ALTIMANUS (BRACHYURA, VARUNIDAE) FROM JABALÍ ISLAND, ARGENTINA by Lopez Greco, LS, Rodriguez, E M

“…The reproductive performance of two Varunidae crabs, Cyrtograpsus angulatus and C. altimanus from Jabalí Island (40°32′S, 62°15′W), Argentina, were compared…”
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Effects of Copper on Hatching of Larvae and Prezoea Survival of Petrolisthes galathinus (Porcellanidae): Assays with Ovigerous Females and Isolated Eggs by LOPEZ GRECO, L. S, RODRIGUEZ, E. M, HERNANDEZ, G, BOLANOS, J

“…Ovigerous females of the porcellanid crab Petrolisthes galathinus were selected for toxicological bioassays. A first assay was made on isolated eggs, exposing…”
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