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Biblioteca(s):  Epagri-Sede.
Data corrente:  16/06/2005
Data da última atualização:  16/06/2005
Autoria:  TSUZUKI, M.Y.; STRUSSMANN, C.A.; TAKASHIMA, F.
Título:  Respiratory metabolism of starved larvae of pejerrey Odontesthes bonariensis and O. hatcheri at diferent salinities.
Ano de publicação:  2000
Fonte/Imprenta:  In: SIMPOSIO BRASILEIRO DE AQUICULTURA, 11. ENCONTRO SULBRASILEIRO DE AQUICULTURA, 4. ENCONTRO CATARINENSE DE AQUICULTURA, 5. FESTIVAL NACIONAL DA OSTRA E DA CULTURA ACORIANA, 2, 2000, Florianopolis, SC. Anais... Florianopolis: BMLP, 2000. CD-ROM.
Idioma:  Português
Conteúdo:  Starved larvae of O. bonariensis (5-days-old) and of O. hatcheri (2- and 5-days-old) were used to compare the oxygen consumption rates at different salinities. Oxygen consumption by larvae of O. hatcheri and O. bonariensis was minimal at 0 and 10 ppt, respectively, possibly salinities where these species at this stage are naturally found. In both species, oxygen consumption rates thereafter increased with increasing salinity and then abruptly fell at 30 ppt. It is suggested that the lower consumption at extreme salinities was rather a result of reduced activity, which in itself was salinity-modulated. This probably explains results at 30 ppt since fish at this salinity were visibly less active than those at lower. Differences in activity likely explain also the fact that oxygen consumption rates of 5-day-old starved larvae were higher in comparison to 2-day-old starved larvae, which still possessed yolk-sac. Starved larvae probably incurred in higher metabolic expenditure due to continuous swimming in search for food.
Palavras-Chave:  Larva; Metabolismo respiratorio; Odontesthes bonariensis; Salinidade.
Categoria do assunto:  --
Marc:  Mostrar Marc Completo
Registro original:  Epagri-Sede (Epagri-Sede)
Biblioteca ID Origem Tipo/Formato Classificação Cutter Registro Volume Status  
Epagri-Sede37825 - 1ADDPL - --CD 0001/05000014802
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