EsturgeonV1, PascalFrancis, Corpus, bibRecord, 000373

Influence of egg size on growth and survival of early stages of Siberian sturgeon (Acipenser baeri) under small scale hatchery conditions

Identifieur interne : 000373 ( PascalFrancis/Corpus ); précédent : 000372; suivant : 000374

Influence of egg size on growth and survival of early stages of Siberian sturgeon (Acipenser baeri) under small scale hatchery conditions

Auteurs : E. Gisbert ; P. Williot ; F. Castello-Orvay

Source :

Aquaculture : (Amsterdam) [ 0044-8486 ] ; 2000.

RBID : Pascal:00-0129948

Descripteurs français

Pascal (Inist)
- Biométrie, Oeuf, Croissance, Survie, Stade développement, Larve, Animal élevage, Ecloserie, Acipenser baeri, Acipenseridae.

English descriptors

KwdEn :
- Acipenser baeri, Biometrics, Developmental stage, Egg, Farming animal, Growth, Hatchery, Larva, Survival.

Abstract

A study was conducted to determine the relationships between egg and newly hatched larvae sizes and growth and survival of Siberian sturgeon (Acipenser baeri) during early stages of development. We hypothesised that this may lead to improved rearing techniques and hatchery management. Eggs (mean size 2.8-4.1 mm) were obtained from 20 cultured 13-14 years old females. There was a positive correlation between egg size and total length (TL), body weight (BW) and yolk sac volume of newly hatched larvae. Mortality during the endogenous feeding phase were less than 3.6% and occurred among morphologically deformed fish. First feeding age (9-11 days post-hatch) correlated significantly with egg and newly hatched larvae size (P < 0.05). At the onset of the exogenous feeding, mortality sharply increased in all experimental groups and represented 2.1%-23.5%. Losses were attributed to the change from endogenous nutrition to exogenous feeding based on an artificial commercial diet. Cannibalism was common between 9 and 15 days post-hatch, but was not an important source of larval mortality (2.0%-5.4%). Mortality substantially declined after the transition to exogenous feeding. At the end of the rearing period (20 days post-hatch), the effects of egg and newly hatched larvae sizes were still evident on the TL and BW of larvae (P < 0.05). However, no significant differences (P > 0.05) were found when larval specific growth rates (SGRs) were compared between progeny from different females, revealing the ability of smaller specimens of Siberian sturgeon to grow at the same rate as initially larger fish. Egg size did not provide any advantage for survival of young fish (P > 0.05). We conclude that under generally favourable rearing conditions, egg size has no direct implications for larval survival of Siberian sturgeon.

Notice en format standard (ISO 2709)

Pour connaître la documentation sur le format Inist Standard.

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Format Inist (serveur)

NO :	PASCAL 00-0129948 INIST
ET :	Influence of egg size on growth and survival of early stages of Siberian sturgeon (Acipenser baeri) under small scale hatchery conditions
AU :	GISBERT (E.); WILLIOT (P.); CASTELLO-ORVAY (F.)
AF :	Laboratori d'Aqüicultura, Departament de Biologia Animal, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal, 645/08028 Barcelona/Espagne (1 aut., 3 aut.); Cemagref, Groupement de Bordeaux, 50 avenue de Verdun/33611 Gazinet/France (2 aut.)
DT :	Publication en série; Niveau analytique
SO :	Aquaculture : (Amsterdam); ISSN 0044-8486; Coden AQCLAL; Pays-Bas; Da. 2000; Vol. 183; No. 1-2; Pp. 83-94; Bibl. 1 p.1/4
LA :	Anglais
EA :	A study was conducted to determine the relationships between egg and newly hatched larvae sizes and growth and survival of Siberian sturgeon (Acipenser baeri) during early stages of development. We hypothesised that this may lead to improved rearing techniques and hatchery management. Eggs (mean size 2.8-4.1 mm) were obtained from 20 cultured 13-14 years old females. There was a positive correlation between egg size and total length (TL), body weight (BW) and yolk sac volume of newly hatched larvae. Mortality during the endogenous feeding phase were less than 3.6% and occurred among morphologically deformed fish. First feeding age (9-11 days post-hatch) correlated significantly with egg and newly hatched larvae size (P < 0.05). At the onset of the exogenous feeding, mortality sharply increased in all experimental groups and represented 2.1%-23.5%. Losses were attributed to the change from endogenous nutrition to exogenous feeding based on an artificial commercial diet. Cannibalism was common between 9 and 15 days post-hatch, but was not an important source of larval mortality (2.0%-5.4%). Mortality substantially declined after the transition to exogenous feeding. At the end of the rearing period (20 days post-hatch), the effects of egg and newly hatched larvae sizes were still evident on the TL and BW of larvae (P < 0.05). However, no significant differences (P > 0.05) were found when larval specific growth rates (SGRs) were compared between progeny from different females, revealing the ability of smaller specimens of Siberian sturgeon to grow at the same rate as initially larger fish. Egg size did not provide any advantage for survival of young fish (P > 0.05). We conclude that under generally favourable rearing conditions, egg size has no direct implications for larval survival of Siberian sturgeon.
CC :	002A36B03A
FD :	Biométrie; Oeuf; Croissance; Survie; Stade développement; Larve; Animal élevage; Ecloserie; Acipenser baeri; Acipenseridae
FG :	Milieu eau douce; Aquiculture; Pisces; Vertebrata
ED :	Biometrics; Egg; Growth; Survival; Developmental stage; Larva; Farming animal; Hatchery; Acipenser baeri
EG :	Freshwater environment; Aquaculture; Pisces; Vertebrata
SD :	Biometría; Huevo; Crecimiento; Sobrevivencia; Grado desarrollo; Larva; Animal cría; Acipenser baeri
LO :	INIST-15964.354000086248690080
ID :	00-0129948

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Pascal:00-0129948

Le document en format XML

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<front><div type="abstract" xml:lang="en">A study was conducted to determine the relationships between egg and newly hatched larvae sizes and growth and survival of Siberian sturgeon (Acipenser baeri) during early stages of development. We hypothesised that this may lead to improved rearing techniques and hatchery management. Eggs (mean size 2.8-4.1 mm) were obtained from 20 cultured 13-14 years old females. There was a positive correlation between egg size and total length (TL), body weight (BW) and yolk sac volume of newly hatched larvae. Mortality during the endogenous feeding phase were less than 3.6% and occurred among morphologically deformed fish. First feeding age (9-11 days post-hatch) correlated significantly with egg and newly hatched larvae size (P < 0.05). At the onset of the exogenous feeding, mortality sharply increased in all experimental groups and represented 2.1%-23.5%. Losses were attributed to the change from endogenous nutrition to exogenous feeding based on an artificial commercial diet. Cannibalism was common between 9 and 15 days post-hatch, but was not an important source of larval mortality (2.0%-5.4%). Mortality substantially declined after the transition to exogenous feeding. At the end of the rearing period (20 days post-hatch), the effects of egg and newly hatched larvae sizes were still evident on the TL and BW of larvae (P < 0.05). However, no significant differences (P > 0.05) were found when larval specific growth rates (SGRs) were compared between progeny from different females, revealing the ability of smaller specimens of Siberian sturgeon to grow at the same rate as initially larger fish. Egg size did not provide any advantage for survival of young fish (P > 0.05). We conclude that under generally favourable rearing conditions, egg size has no direct implications for larval survival of Siberian sturgeon.</div>
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<server><NO>PASCAL 00-0129948 INIST</NO>
<ET>Influence of egg size on growth and survival of early stages of Siberian sturgeon (Acipenser baeri) under small scale hatchery conditions</ET>
<AU>GISBERT (E.); WILLIOT (P.); CASTELLO-ORVAY (F.)</AU>
<AF>Laboratori d'Aqüicultura, Departament de Biologia Animal, Facultat de Biologia, Universitat de Barcelona, Av. Diagonal, 645/08028 Barcelona/Espagne (1 aut., 3 aut.); Cemagref, Groupement de Bordeaux, 50 avenue de Verdun/33611 Gazinet/France (2 aut.)</AF>
<DT>Publication en série; Niveau analytique</DT>
<SO>Aquaculture : (Amsterdam); ISSN 0044-8486; Coden AQCLAL; Pays-Bas; Da. 2000; Vol. 183; No. 1-2; Pp. 83-94; Bibl. 1 p.1/4</SO>
<LA>Anglais</LA>
<EA>A study was conducted to determine the relationships between egg and newly hatched larvae sizes and growth and survival of Siberian sturgeon (Acipenser baeri) during early stages of development. We hypothesised that this may lead to improved rearing techniques and hatchery management. Eggs (mean size 2.8-4.1 mm) were obtained from 20 cultured 13-14 years old females. There was a positive correlation between egg size and total length (TL), body weight (BW) and yolk sac volume of newly hatched larvae. Mortality during the endogenous feeding phase were less than 3.6% and occurred among morphologically deformed fish. First feeding age (9-11 days post-hatch) correlated significantly with egg and newly hatched larvae size (P < 0.05). At the onset of the exogenous feeding, mortality sharply increased in all experimental groups and represented 2.1%-23.5%. Losses were attributed to the change from endogenous nutrition to exogenous feeding based on an artificial commercial diet. Cannibalism was common between 9 and 15 days post-hatch, but was not an important source of larval mortality (2.0%-5.4%). Mortality substantially declined after the transition to exogenous feeding. At the end of the rearing period (20 days post-hatch), the effects of egg and newly hatched larvae sizes were still evident on the TL and BW of larvae (P < 0.05). However, no significant differences (P > 0.05) were found when larval specific growth rates (SGRs) were compared between progeny from different females, revealing the ability of smaller specimens of Siberian sturgeon to grow at the same rate as initially larger fish. Egg size did not provide any advantage for survival of young fish (P > 0.05). We conclude that under generally favourable rearing conditions, egg size has no direct implications for larval survival of Siberian sturgeon.</EA>
<CC>002A36B03A</CC>
<FD>Biométrie; Oeuf; Croissance; Survie; Stade développement; Larve; Animal élevage; Ecloserie; Acipenser baeri; Acipenseridae</FD>
<FG>Milieu eau douce; Aquiculture; Pisces; Vertebrata</FG>
<ED>Biometrics; Egg; Growth; Survival; Developmental stage; Larva; Farming animal; Hatchery; Acipenser baeri</ED>
<EG>Freshwater environment; Aquaculture; Pisces; Vertebrata</EG>
<SD>Biometría; Huevo; Crecimiento; Sobrevivencia; Grado desarrollo; Larva; Animal cría; Acipenser baeri</SD>
<LO>INIST-15964.354000086248690080</LO>
<ID>00-0129948</ID>
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Influence of egg size on growth and survival of early stages of Siberian sturgeon (Acipenser baeri) under small scale hatchery conditions

Influence of egg size on growth and survival of early stages of Siberian sturgeon (Acipenser baeri) under small scale hatchery conditions

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