Reproductive exhaustion in shrimp (Penaeus vannamei) reflected in larval biochemical composition, survival and growth

Palacios, Elena; Pérez‐Rostro, Carlos Iván; Ramı́rez, José Luis; Ibarra, Ana M.; Racotta, Ilie S.

doi:10.1016/s0044-8486(98)00393-7

Cited by 109 publications

(118 citation statements)

References 34 publications

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“…These diVerences were evaluated by a test of equality of means with heterogeneous variances (carbon, nitrogen, and energy/ dry mass) and by a two-way ANOVA (C/N ratio) As another environmental factor, diVerent average quality and/or quantity of available benthic food sources may cause diVerences in the reproductive traits of separate populations (Harrison 1990). This can aVect the condition of reproducing females and, through carry-over eVects, that of eggs and larvae (see Cahu et al 1995;Cavalli et al 1999;Palacios et al 1998Palacios et al , 1999Lardies et al 2004). C. granulatus feeds on both Spartina plants and soft sediments (Iribarne et al 1997), which may vary qualitatively among habitats.…”

Section: MCmentioning

confidence: 99%

“…Since C. granulatus produces several successive clutches during a season, smaller clutch size, and egg biomass near the end of the reproductive season could also be a consequence of reproductive exhaustion of the females (see Palacios et al 1999). Giménez and Anger (2003) found a signiWcant positive correlation between the initial biomass (measured as dry mass or g C/larva) of recently hatched zoea-I larvae of C. granulatus and subsequent larval survival through metamorphosis to the Wrst juvenile stage.…”

Section: MCmentioning

confidence: 99%

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Seasonal and interpopulational variability in fecundity, egg size, and elemental composition (CHN) of eggs and larvae in a grapsoid crab, Chasmagnathus granulatus

2007

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Reproductive traits at the beginning and the end of the annual reproductive season were compared between two populations of the intertidal crab Chasmagnathus granulatus living in ecologically contrasting habitats: (1) Mar Chiquita (MC) (37°45ЈS, 57°19ЈW), a highly productive estuarine coastal lagoon with strong salinity Xuctuations.(2) San Antonio Bay (SA) (40°46ЈS, 64°50Ј), a physically stable but less productive coastal marine environment. Number, size, and elemental composition (CHN) of eggs and larvae diVered signiWcantly between populations. Regardless of the season, more but smaller eggs and larvae were produced in MC, while eggs and larvae from SA revealed higher dry mass and C/N ratios indicating higher lipid content. A latitudinal temperature gradient cannot explain these patterns, suggesting that other environmental factors including salinity, quality or quantity of benthic food sources and productivity may be responsible. In both populations, fecundity and biomass per egg were higher at the beginning as compared to the end of the reproductive season. As a consequence, the reproductive eVort was consistently maximal at the beginning of the season. At MC, also variability was found between two successive years. IntraspeciWc (both interpopulational and seasonal) variations in reproductive and developmental traits may be important for the formation of physiologically diVerent metapopulations along the wide geographic range of C. granulatus.

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Section: MCmentioning

confidence: 99%

Section: MCmentioning

confidence: 99%

Seasonal and interpopulational variability in fecundity, egg size, and elemental composition (CHN) of eggs and larvae in a grapsoid crab, Chasmagnathus granulatus

2007

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“…The importance of TAG for shrimp reproduction and egg quality is also mentioned in studies by Ž . Palacios et al 1998Palacios et al , 1999a . These authors studied the relationship between reproductive exhaustion and the biochemical composition of eggs, nauplii and postlarvae from domesticated L. Õannamei broodstock.…”

Section: Lipid Classesmentioning

confidence: 99%

Penaeid shrimp broodstock nutrition: an updated review on research and development

et al. 2001

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This paper reviews the current knowledge on shrimp broodstock nutrition with special reference to developments during the last decade. Biochemical studies and diet studies are discussed with the aim of identifying the nutrients that are important to sustain optimal shrimp maturation, reproduction and offspring quality. Additionally, an overview is given of the efforts to reveal the nature of maturation-stimulating factors in fresh food, and of the use and performance of commercial and experimental artificial diets. q

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“…Most of the papers dealing with the determination of the onset of the sexual physiological maturity or histological maturity, taking into account the degree of gonad development (COSTA & NEGREIROS-FRANSOZO, 1998;PINHEIRO & FRANSOZO, 1998;LÓPEZ-GRECO & RODRÍGUEZ, 1999a;SANTOS & NEGREIROS-FRANSOZO, 1999;CASTIGLIONI & SANTOS, 2001;SWINEY & SHIRLEY, 2001;FLORES et al, 2002;CASTIGLIONI & NEGREIROS-FRANSOZO, 2006 among others). However, studies of histological description of gonads are less common (CRONIN, 1947;ADIYODI & SUBRAMONIAN, 1983;MEUSY & CHARNIAUX-COTTON, 1984;WENNER et al, 1987;KROL et al, 1992;LÓPEZ et al, 1997;ANDO & MAKIOKA, 1998), the majority being on Caridea and Penaeoidea (RODRÍGUEZ, 1985;TAN-FERMIN & PUDADERA, 1989;QUINITIO & MILLAMENA, 1992;MORAES, 1994;QUINTERO & GRACIA, 1998;OLIVEIRA et al, 1999;PALACIOS et al, 1999;SAKAJI et al, 2000;SAKAJI, 2001;MOSSOLIN &BUENO, 2002 andDUMONT &D'INCAO, 2004).…”

mentioning

confidence: 99%

Gonad development in females of fiddler crab Uca rapax (Crustacea, Brachyura, Ocypodidae) using macro and microscopic techniques

Castiglioni

Negreiros-Fransozo²,

Greco

et al. 2007

Iheringia, Sér. Zool.

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ABSTRACT. The morphology of the ovaries in Uca rapax (Smith, 1870) was described based on macroscopic and microscopic analysis. Females were collected in Itamambuca mangrove, Ubatuba, state of São Paulo, Brazil. In the laboratory, 18 females had their ovaries removed and prepared for histology. Each gonad developmental stage was previously determined based on external and macroscopic morphology and afterwards each stage was microscopically described. The ovaries of U. rapax showed a pronounced macroscopic differentiation in size and coloration with the maturation of the gonad, with six ovarian developmental stages: immature, rudimentary, developing, developed, advanced and spent. During the vitellogenesis, the amount of oocytes in secondary stage increases in the ovary, resulting in a change in coloration of the gonad. Oogonias, primary oocytes, secondary oocytes and follicular cells were histologically described and measured. In female's ovaries of U. rapax the modifications observed in the oocytes during the process of gonad maturation are similar to descriptions of gonads of other females of brachyuran crustaceans. The similarities are specially found in the morphological changes in the reproductive cells, and also in the presence and arrange of follicle cells during the process of ovary maturation. When external morphological characteristics of the gonads were compared to histological descriptions, it was possible to observe modifications that characterize the process in different developmental stages throughout the ovarian cycle and, consequently, the macroscopic classification of gonad stages agree with the modifications of the reproductive cells. KEYWORDS.Macroscopic analysis, histological analysis, oogonias, primary and secundary oocytes, Uca rapax. RESUMO. Desenvolvimento da gônada em fêmeas do caranguejo-violinistaUca rapax (Crustacea, Brachyura, Ocypodidae) utilizando técnicas macro e microscópicas. A morfologia dos ovários de Uca rapax foi descrita baseada nas análises macroscópica e microscópica. As fêmeas foram coletadas no manguezal de Itamambuca, Ubatuba, Estado de São Paulo, Brasil. No laboratório, os ovários de 18 fêmeas foram retirados e preparados para histologia. Os estágios gonadais foram caracterizados previamente por meio de análises da morfologia externa e macroscopia e posteriormente cada estágio foi descrito microscopicamente. Os ovários das fêmeas de U. rapax apresentaram uma diferenciação macroscópica pronunciada no tamanho e coloração durante o processo de maturação, sendo caracterizados seis estágios de desenvolvimento ovariano: imaturo, rudimentar, em desenvolvimento, desenvolvido, avançado e esgotado. Microscopicamente, estes estágios diferiram quanto ao tamanho, cor e proporção de oogônias e oócitos presentes. Na análise histológica, oogônias, oócitos primários e secundários e células foliculares foram descritos e mensurados. As modificações observadas nos oócitos durante o processo de maturação dos ovários das fêmeas de U. rapax são similares às descrições de gônadas de outras ...

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Reproductive exhaustion in shrimp (Penaeus vannamei) reflected in larval biochemical composition, survival and growth

Cited by 109 publications

References 34 publications

Seasonal and interpopulational variability in fecundity, egg size, and elemental composition (CHN) of eggs and larvae in a grapsoid crab, Chasmagnathus granulatus

Seasonal and interpopulational variability in fecundity, egg size, and elemental composition (CHN) of eggs and larvae in a grapsoid crab, Chasmagnathus granulatus

Penaeid shrimp broodstock nutrition: an updated review on research and development

Gonad development in females of fiddler crab Uca rapax (Crustacea, Brachyura, Ocypodidae) using macro and microscopic techniques

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