Consulta: creatorFacets:"Chiappa-carrara, Xavier"
Registros recuperados: 3
Data/hora: 08/06/2024 13:30:32

Physiological and biochemical changes of wild and cultivated juvenile pink shrimp Farfantepenaeus duorarum (crustacea: penaeidae) during molt cycle
Provedor de dados: 5
Autores: Luis Bonilla-gomez, Jose; Chiappa-carrara, Xavier; Galindo, Carmen; Jeronimo, Gilberto; Cuzon, Gerard; Gaxiola, Gabriela.
Changes in metabolite levels in hemolymph and hepatopancreas were used as indicators of physiological status of juvenile wild and cultivated Farfantepenaeas. duorarum (Burkenroad, 1939), during hyper-osmoregulatory conditions (salinity 22 ppt, 726 mOsm/kg). We analyzed the relationship between biochemical changes of wild and cultivated shrimp at different molt stages by measurement of osmotic capacity, hemocyanin, acylglycerides, cholesterol, glucose, glycogen and total protein. Biochemical analyses of hemolymph (blood) and hepatopancreas showed a decreasing trend in stages closer to molt and an increasing trend before intermolt. Osmotic capacity and blood proteins indicated a significant effect of the molt stage. Stages A. D1' and D''' showed the greatest...
Tipo: Text
Palavras-chave: Biochemical analysis; F. duorarum; Molt stages; Osmoregulation.
Ano: 2012
URL: http://archimer.ifremer.fr/doc/00088/19936/17773.pdf

Physiological and Biochemical Variations during the Molt Cycle in Juvenile Litopenaeus vannamei under Laboratory Conditions
Provedor de dados: 5
Autores: Galindo, Carmen; Gaxiola, Gabriela; Cuzon, Gerard; Chiappa-carrara, Xavier.
Biochemical changes, specifically in hemocyanin and glucose concentrations in hemolymph, glycogen in the digestive gland. were studied throughout the molt cycle in juveniles of Litopenaeus vannamei in a high salinity condition (36), and related to variations in the osmotic capacity of organisms. Increasing hemolymph volume before molting modifies circulating glucose and hemocyanin concentrations acting on the osmotic capacity. Variations in glucose concentrations are indicators of differential energy requirements throughout the molt cycle. Hemocyanin was used as an indirect indicator of the energy consumed by shrimp in various molt processes that affect the osmotic capacity. The co-variability of these metabolites is the result of the biochemical...
Tipo: Text
Palavras-chave: Molt cycle; Litopenaeus vannamei; Hypo osmotic conditions; Biochemistry.
Ano: 2009
URL: http://archimer.ifremer.fr/doc/2009/publication-6899.pdf

Seasonal variability in trypsin and alpha-amylase activities caused by the molting cycle and feeding habits of juvenile pink shrimp Farfantepenaeus duorarum (Burkenroad, 1939)
Provedor de dados: 5
Autores: Aragon-axomulco, Heron; Chiappa-carrara, Xavier; Soto, Luis; Cuzon, Gerard; Arena, Leticia; Maldonado, Carlos; Cardenas, Rene; Gaxiola, Gabriela.
In view of the relationship between shifts in diet composition and the activity of digestive enzymes in penaeid shrimp, the present study focused on the analysis of digestive trypsin and a-amylase activities of wild Farfantepenaeus. duorarum (Burkenroad, 1939) juveniles and their changes in phenotypic expression, during the molt cycle as endogenous factor and their changes due to different feeding regimes (exogenous factor) in relation with delta C-13 and delta N-15 isotopic signature as an index of food assimilation induced by the seasonal availability of food items in the nursery area. Wild juveniles of F. duorarum were captured from April 2007 to February 2008, in the Celestun coastal lagoon, Yucatan, Mexico. Samplings were carried out considering all...
Tipo: Text
Palavras-chave: Coastal lagoons; Digestive enzymes; Farfantepenaeus duorarum; Feeding habits; Pink shrimp.
Ano: 2012
URL: http://archimer.ifremer.fr/doc/00078/18880/16487.pdf