SABIIA - Sistema Aberto e Integrado de Informação em Agricultura (Sabiia)

Contribution a l'etude de l'elevage de la crevette rose Palaemon serratus (Pennant) en captivite.

Genard, Bertrand; Pernet, Fabrice; Lemarchand, Karine; Boudry, Pierre; Moraga, Dario; Tremblay, Rejean.

In this paper, biochemical and physiological analyses were used to characterize changes associated with mortality event occurred during veliger development of American oyster, Crassostrea virginica. Biochemical analyses included the evaluation of lipid classes, fatty acid composition and total protein content. Larval physiology was evaluated by studying feeding activity, enzymes related to energy metabolism, oxidative stress levels and enzymatic antioxidant defenses. These analyses were complemented by bacterial community analyses as well as by measuring larval oyster performance. We observed that mortality events coincided with (1) strong changes in the surrounding bacterial community; (2) a progressive decrease in feeding activity; (3) higher levels of...

Tipo: Text

Palavras-chave: Massive mortality; Larvae; Microbial environment; Lipid; Fatty acids; Energy metabolism; Oxidative stress; Antioxidant enzymes; Crassostrea virginica.

Ano: 2011

URL: http://archimer.ifremer.fr/doc/00051/16231/13753.pdf

Influence nutritionnelle de la vitamine A et de la nature des lipides sur la morphogenèse de la larve de bar (Dicentrarchus labrax): implicaton de la voie des rétinoïdes

Campillo, Albert.

The growth of post-larval P. serratus has been studied until the appearance of secondary sexual characters, in order to eliminate the influence of sex ratio on the mean wt. The influence of temp on intermolt period and number of molts was observed in male and female kept individually. Different sorts of food of natural origin have been tested. The rearing of post-larval lots metamorphosed at different times of the yr showed that the growth of P. serratus is conditioned not only by the temp, but also by the season. The food conversion ratio was defined in relation to the sex and age of the prawns. Shelters allowed the author to obtain a ratio of survival which varied post-larvae per square meter. The sex ratio established from several breedings as soon as...

Tipo: Text

Palavras-chave: Phaeodactylum tricornutum; Tetraselmis suecica; Artemia; Palaemon serratus; Crustacean culture; Larval development; Larvae; Induced breeding; Hatching; Controlled conditions; Laboratory culture; Rearing.

Ano: 1975

URL: http://archimer.ifremer.fr/doc/1975/publication-2027.pdf

Can the protozoan parasite Bonamia ostreae infect larvae of flat oysters Ostrea edulis?

Villeneuve, Laure.

The aim of this study was to determine the nutritional effects of vitamin A and PUFA (including EPA and DHA) on sea bass larvae development. An excess of vitamin A in the diet led to malformations affecting the cephalic region linked to an increase of RARgama transcription and the loss of a vertebra when larvae were fed this diet from 8 days post hatch (dph) to 13 dph. A diet containing an excess of PUFA disrupted the development of larvae vertebral column, deformities were correlated to a decrease of RARalpha, RARgama, RXRalpha and BMP4 transcription and an additional vertebra appeared when larvae were fed this diet from 8 dph to 13 dph. A diet containing 31 mg/kg of dry matter of vitamin A and between 1.1 and 2.3% of EPA + DHA allows larvae to develop...

Tipo: Text

Palavras-chave: Malformations; Genes of development; PUFA; Vitamin A; Sea bass Dicentrarchus labrax; Larvae; Malformations; Gènes du développement; AGPI; Vitamine A; Bar Dicentrarchus labrax; Larves.

Ano: 2005

URL: http://archimer.ifremer.fr/doc/2005/these-324.pdf

Regimes Alimentaires et Modifications des Structures Mandibulaires (Leach) (Decapoda, Palaemonidae) Etudiees a l'Aide du Microscope Electronique a Balayage.

Arzul, Isabelle; Langlade, Aime; Chollet, Bruno; Robert, Maeva; Ferrand, Sylvie; Omnes, Emmanuelle; Lerond, Sophie; Couraleau, Yann; Joly, Jean-pierre; Francois, Cyrille; Garcia, Celine.

Bonamia ostreae is an intracellular protistan parasite affecting flat oysters Ostrea edulis. It can be detected in juveniles but mortalities mainly affect oysters which are more than 2 years old. The parasite is usually observed inside haemocytes and sometimes free, notably in gill epithelia suggesting a parasite release through this organ. However, the infective form and ways of entry and release remain undetermined. Flat oysters incubate their larvae in their pallial cavity for 8–10 days before releasing them into the water column. Flat oysters in Bay of Quiberon in South Brittany (France) are known to be infected with B. ostreae since 1979 and is the most important area in France for O. edulis spat collection. Flat oysters incubating larvae were sampled...

Tipo: Text

Palavras-chave: Bonamia ostreae; Flat oyster; Ostrea edulis; Transmission; Larvae; Parasite life cycle.

Ano: 2011

URL: http://archimer.ifremer.fr/doc/00028/13898/12566.pdf

Heral, Maurice; Saudray, Yves.

The object of this study is to complete the knowledge of the mandibles structure in a eucarid: P. varians (Leach). Its rearing has permitted the study, parallell to the evolution of the mandibles structure, of the diet of larvae and adults.

Tipo: Text

Palavras-chave: Palaemonetes varians; Larval development; Adults; Larvae; Diets.

Ano: 1979

URL: http://archimer.ifremer.fr/doc/1980/publication-1939.pdf

Suivi de la reproduction de l'huître creuse Crassostrea gigas et de la moule Mytilus edulis dans le bassin de Marennes-Oléron. Bilan de trois années d'observation de 1997 à 2000. Rappels sur la reproduction de C. gigas et la technique de pêche de larves

Arnaud, Christophe; Faury, Nicole; Bouquet, Jean-paul; Guesdon, Stephane.

Monitoring of reproduction in the oyster Crassostrea gigas, and more particularly in the mussel Mytilis edulis were conducted, in the Marennes-Oléron Bay each year, from June to September. This report gives the main results obtained in 1997, 1998, 1999,2000 and compares the results between years. It also summarises the fishing techniques used and gives information on larval development in the annexes. NOT CONTROLLED OCR

Tipo: Text

Palavras-chave: Marennes Oléron; Larvae; Reproduction; Mussel; Oyster; Marennes Oléron; Larves; Reproduction; Moule; Huître.

Ano: 2000

URL: http://archimer.ifremer.fr/doc/2000/rapport-3883.pdf

Evolutionary side-steps

Naturalis

Sluys, Ronald.

Many of the lower metazoans reach adulthood via complex developmental stages. Each of these stages is described with a specialized terminology, which is different for every major group of organisms. Biologists with a proper training in biodiversity may have learned about these complex issues during their undergraduate days, but many of us do no longer encounter the intricacies of lower metazoan development in later stages of our careers. We may be familiar with the ontogenetic stages in the group on which we specialize, but only a few will have practical knowledge and an overview of the larval stages in such groups as crustaceans, echinoderms, polychaetes, sipunculans, molluscs, flatworms, bryozans, and nemertines. Donald Williamson certainly belongs to...

Tipo: Article / Letter to the editor

Palavras-chave: Ontogeny; Larvae; Evolutionary theory; Parallelism; Homology.

Ano: 1992

URL: http://www.repository.naturalis.nl/record/504508

A revised checklist of Nepticulidae fossils (Lepidoptera) indicates an Early Cretaceous origin

Naturalis

Doorenweerd, C.; Nieukerken, E.J. van; Sohn, J.-C.; Labandeira, C.C..

With phylogenetic knowledge of Lepidoptera rapidly increasing, catalysed by increasingly powerful molecular techniques, the demand for fossil calibration points to estimate an evolutionary timeframe for the order is becoming an increasingly pressing issue. The family Nepticulidae is a species rich, basal branch within the phylogeny of the Lepidoptera, characterized by larval leaf-mining habits, and thereby represents a potentially important lineage whose evolutionary history can be established more thoroughly with the potential use of fossil calibration points. Using our experience with extant global Nepticulidae, we discuss a list of characters that may be used to assign fossil leaf mines to Nepticulidae, and suggest useful methods for classifying...

Tipo: Article / Letter to the editor

Palavras-chave: Baltic amber; Calibration points; Dakota formation; Evolutionary history; Extinction; Fossil record; Larvae; Leaf mining; Plant hosts; Stigmella; Stigmellites.

Ano: 2015

URL: http://www.repository.naturalis.nl/record/648751

Identification of fish nursery areas in a free tributary of an impoundment region, upper Uruguay River, Brazil

Silva,Patrícia Alves da; Reynalte-Tataje,David Augusto; Zaniboni-Filho,Evoy.

This study aims to determine the importance of different environments of the Ligeiro River (upper Uruguay River, Brazil) in fish reproduction. For this purpose, three environments (sampling sites) were selected: rapids, a pool, and the mouth of the Ligeiro River. Ichthyoplankton, zooplankton, and benthos were sampled six times per month from September, 2006 to March, 2007. Zooplankton and ichthyoplankton samples were collected early in the evening with plankton nets (64 µm and 500 µm, respectively). Benthos samples were also collected early in the evening with a Van Veen dredge. Local abiotic variables (temperature, dissolved oxygen, pH, electrical conductivity, water speed, alkalinity, water hardness, and water transparency) were measured simultaneously...

Embryonic development and larval stages of Steindachneridion parahybae (Siluriformes: Pimelodidae): implications for the conservation and rearing of this endangered Neotropical species

Palavras-chave: Eggs; Growth sites; Ichthyoplankton; Larvae; Spawning sites.

Ano: 2012

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252012000200018

Honji,Renato M.; Tolussi,Carlos E.; Mello,Paulo H.; Caneppele,Danilo; Moreira,Renata G..

Steindachneridion parahybae is a freshwater catfish endemic to the Paraíba do Sul River and is classified as an endangered Neotropical species. An increasing number of conservation biologists are incorporating morphological and physiological research data to help conservation managers in rescue these endangered species. This study investigated the embryonic and larval development of S. parahybae in captivity, with emphasis in major events during the ontogeny of S. parahybae. Broodstocks were artificially induced to reproduce, and the extrusion occurred 200-255 degree-hours after hormonal induction at 24°C. Larval ontogeny was evaluated every 10 minutes under microscopic/stereomicroscopic using fresh eggs samples. The main embryogenic development stages...

Temporal distribution of ichthyoplankton in the Ivinhema River (Mato Grosso do Sul State/ Brazil): influence of environmental variables

Palavras-chave: Artificial reproduction; Early development; Eggs; Larvae; Surubim do Paraíba.

Ano: 2012

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252012000200007

Reynalte-Tataje,David Augusto; Nakatani,Keshiyu; Fernandes,Rodrigo; Agostinho,Angelo Antônio; Bialetzki,Andréa.

Information on ichthyoplankton is an important tool in determining reproduction periods that - if associated to environmental variables - allows for inferences about the factors that regulate their intensity, beginning, and ending. In this context, this study aims to establish (i) ichthyoplankton composition; (ii) temporal variations in the overall density of eggs and larvae and among the most important taxa; and (iii) the influence of some abiotic and biotic variables on these organisms' abundance. Ichthyoplankton sampling was undertaken during the period between April 2005 and March 2006 at the Ivinhema River, upper Paraná River basin (MS/Brazil). Differences in the ichthyoplankton's temporal variation were evaluated using unifactorial ANOVAs. Principal...

The effect of rearing temperature in larval development of pejerrey, Odontesthes bonariensis: morphological indicators of development

Palavras-chave: Bryconamericus stramineus; Fish; Floodplain; Larvae; Plagioscion squamosissimus.

Ano: 2011

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000200021

Chalde,Tomás; Fernández,Daniel A.; Cussac,Víctor E.; Somoza,Gustavo M..

It is well known that in pejerrey water temperature not only affects growth rates but also directs the sexual differentiation process. This fact rise the question of how different the development of pejerrey larvae of the same age is when reared at different temperatures. A description of developmental stages for the embryonic and larval periods of the pejerrey, Odontesthes bonariensis, and the influence of rearing temperature on larval development are presented. Then, larval development was studied at three rearing temperatures, and changes in general morphology, fin morphology, and caudal fin structure have been taken into consideration within the thermal range involved in the temperature sex determination of this species. Fin fold reabsorption, caudal...

A new Synbranchus (Teleostei: Synbranchiformes: Synbranchidae) from ilha de Marajó, Pará, Brazil, with notes on its reproductive biology and larval development

Palavras-chave: Atherinopsidae; Fin fold; Larvae; Sexual determination.

Ano: 2011

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000400006

Favorito,Sandra E.; Zanata,Angela M.; Assumpção,Maria I..

Synbranchus lampreia, new species, is described from rio Goiapi, Marajó Island, Pará, northern Brazil. It differs from the other two described species of the genus by its color pattern, which consists of large roundish black blotches scattered over a light brown or yellowish ground pigmentation and presence of inconspicuous brown small spots distributed among the large dark spots. The species is further distinguished from S. marmoratus by a higher number of vertebrae and from S. madeira by a shorter postanal length. Information about reproductive aspects is provided and larval stages are described and illustrated.

Oceanographic and faunistic structures across an Angola Current intrusion into northern Namibia waters.

Palavras-chave: Neotropical; Swamp eels; New species; Reproductive strategies; Larvae.

Ano: 2005

URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000300001

Bioensayo para calcular el CL50 del dispersante de petróleo BP 1100-WD con larvas de camarón Penaeus vannamei

John, H.C.H.; Mohrholz, V.; Lutjeharms, J.R.E..

It is thought that the penetration of Angolan waters through the Angola–Benguela Frontal Zone (ABFZ) into the much cooler Benguela regime may come about by a poleward slope undercurrent as well as by cross-frontal filaments. To test this hypothesis, two zonal transects off the northern Namibian coast were surveyed by CTD casts, current measurements and ichthyoplankton samples during April 1999. Simultaneous sea-surface temperature (SST), chlorophyll-a concentration, and wind data were obtained from satellite. The multidisciplinary results are described.An intense intrusion of the Angola Current into northern Namibian waters occurred with distinct signals of high temperatures and salinities, low chlorophyll-a concentration, and Angolan fish larvae of both...

Tipo: Journal Contribution

Palavras-chave: Oceanographic data; Fauna; Frontal features; Chlorophylls; Temperature; Mesoscale features; Larvae; Surveys; Fish larvae; Hydrography.

Ano: 2004

URL: http://hdl.handle.net/1834/4937

Bioecología de huevos y larvas de peces Cetengraulis mysticetus (Chuhueco), Opisthonema sp. (Pinchagua) y Anchoas en la reserva ecológica manglares Cayapas-Mataje - Ecuador

Villamar, F..

En el presente estudio se realiza un bioensayo para determinar el grado de concentración media letal del dispersante de petróleo BP 1100-WD, utilizando organismos vivos en condiciones de laboratorio. Se describe el método estadístico de Bliss. En definitiva el propósito de realizar bioensayos es la de comparar la toxicidad de diferentes compuestos y conocer la sensibilidad de las diversas especies, para determinar los mecanismos de los efectos de las sustancias ensayadas (Alcazar, 1988).

Tipo: Journal Contribution

Palavras-chave: Bioassays; Toxicity; Larvae; Shrimp fisheries; Bioassays; Toxicity; Larvae.

Ano: 1990

URL: http://hdl.handle.net/1834/2164

Luzuriaga de Cruz, M.; Solano Ch., F.; Cevallos, D..

La presente investigación es parte del Convenio de Cooperación Técnica entre el Fondo Ecuatoriano Populorum Pregressio (FEPP) y el Instituto Nacional de Pesca (INP) y tiene como fin principal el estudio de huevos y larvas de chuhueco (Cetengraulis mysticetus), anchoas (Anchoa sp., Anchovia sp. y Engraulis) y pinchagua (Opisthonema sp.) en relación con abundancia y distribución de la microfauna zooplanctónica presente en los esteros durante el período comprendido entre abril del 2000 y diciembre del 2001.

Tipo: Journal Contribution

Palavras-chave: Zooplankton; Ichthyoplankton; Eggs; Larvae; Mangroves; Zooplankton; Eggs; Larvae; Mangroves; Http://aims.fao.org/aos/agrovoc/c_15490; Http://aims.fao.org/aos/agrovoc/c_2502; Http://aims.fao.org/aos/agrovoc/c_4204; Http://aims.fao.org/aos/agrovoc/c_16190.

Ano: 2007

URL: http://hdl.handle.net/1834/2404

Studien an karibischen Cirripedien I. Ergänzende Beschreibung von Scalpellum regina Pilsbry, 1907

Larval rearing techniques and stock enhancement of silver seabream (Rhabdosargus sarba) in Mauritius

Kaufmann, R..

Se da una descripción suplementaria del Cirrípedo Scalpellum regina, basándose en extremidades orales, Cirros, apéndices abdominales y pene. También por primera vez se describen y figuran la larva Cypris y los machos complementarios de esta especie. Se comentan los sustratos de esta especie béntica y las relaciones parentescas intragenéricas de Scalpellum.

Tipo: Journal Contribution

Palavras-chave: Marine crustaceans; Taxonomy; Organism morphology; Larvae; Taxonomy; Larvae; Http://aims.fao.org/aos/agrovoc/c_7631; Http://aims.fao.org/aos/agrovoc/c_4204.

Ano: 1971

URL: http://hdl.handle.net/1834/3271

International study on Artemia : 48. The effect of temperature on cyst hatching larval survival and biomass production for different geographical strains of brine shrimp Artemia spp.

Baccus, H.; Ramsaha, S.; Rathacharen, S.; Hassea, R.; Auliar, I.; Codabaccus, B..

The silver sea bream (Rhabdosargus sarba), has great commercial value in Mauritius. The species is a potential candidate for aquaculture. The sea bream, a winter spawner, was successfully induced to breed in captivity with HCG (Human Chorionic Gonadotropin) hormone injection (250 IU/kg body weight) in 1989 at the Albion Fisheries Research Centre. In 1997, the Coastal Fisheries Resources and Environment Conservation Project of Japanese International Cooperation Agency (JICA) was launched to enhance the stock of the silver sea bream in the lagoon. This species breeds under hatchery conditions during the spawning season. Annually, the hatchery-produced sea bream fingerlings, of 2.0 to 2.5 cm body length, were released in the coastal areas. The larval rearing...

Tipo: Journal Contribution

Palavras-chave: Rhabdosargus sarba; Aquaculture techniques; Larval development; Aquaculture techniques; Larvae; Http://aims.fao.org/aos/agrovoc/c_28992; Http://aims.fao.org/aos/agrovoc/c_4204.

Ano: 2005

URL: http://hdl.handle.net/1834/1064

OMA

Vanhaecke, P.; Sorgeloos, P..

The effect of temperature on different geographical strains of Artemia has been studied for the following criteria: the hatchability of the cysts, the resistance of the larvae to high temperature (34°C) and the biomass production of larvae cultured under standard conditions. Experimental temperatures ranged from 25° to 37°C for the hatching criteria and from 20° to 32.5°C for the biomass production.Both the hatching percentage and growth performance are affected by temperature. However, the relative and quantitative impact of temperature varies widely among Artemia strains. This is also the case for the temperature resistance of the larvae. The impact of increasing temperatures on cyst hatching as well as the...

International study on Artemia: 14. Growth and survival of Artemia larvae of different geographical origin in a standard culture test

Palavras-chave: Aquaculture techniques; Biomass; Brine shrimp culture; Growth; Larvae; Survival; Temperature effects; Artemia.

Ano: 1989

URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3194

OMA

Vanhaecke, P.; Sorgeloos, P..

For characterization of strains of the brine shrimp Artemia of different geographical origin, a standard culture test has been developed in order to compare statistically growth and survival of larvae of different strains. 25 geographical strains have been studied so far -including, for 3 strains, analyses of cysts harvested at different times. Important differences in rates of growth and survival were observed between strains but not among batches of the same strain. Best performances were noted for strains from Bahia Salinas (Puerto Rico), Buenos Aires (Argentina), Chaplin Lake (Canada), Great Salt Lake (Utah, USA), Galera Zamba and Manaure (Colombia).