LotaV3, Main, Exploration, bibRecord, 000194

The effect of temperature on embryonic and yolk-sac larval development in the burbot Lota lota.

Identifieur interne : 000194 ( Main/Exploration ); précédent : 000193; suivant : 000195

The effect of temperature on embryonic and yolk-sac larval development in the burbot Lota lota.

Auteurs : F. Lahnsteiner [Autriche] ; M. Kletzl ; T. Weismann

Source :

Journal of fish biology [ 1095-8649 ] ; 2012.

RBID : pubmed:22880731

Descripteurs français

KwdFr :
- Analyse de survie (MeSH), Animaux (MeSH), Embryon non mammalien (MeSH), Gadiformes (embryologie), Température (MeSH).
MESH :
- embryologie : Gadiformes.
- Analyse de survie, Animaux, Embryon non mammalien, Température.

English descriptors

KwdEn :
- Animals (MeSH), Embryo, Nonmammalian (MeSH), Gadiformes (embryology), Survival Analysis (MeSH), Temperature (MeSH).
MESH :
- embryology : Gadiformes.
- Animals, Embryo, Nonmammalian, Survival Analysis, Temperature.

Abstract

The present study investigated the effect of various temperature regimes on embryonic and yolk-sac larval development of the burbot Lota lota. At constant temperature regimes a high percentage of ready-to-hatch embryos, hatched larvae and normally shaped larvae was observed at the lowest temperature (2° C), which significantly decreased with increasing temperatures (4 and 6° C). No larvae hatched at 9° C. The stream temperature regime had no effect on the percentage of ready-to-hatch embryos, but significantly decreased the percentage of hatched larvae and of normally shaped larvae. The lake temperature regime did not affect the viability variables. Also an abrupt temperature increase from 2 to 4° C after 8 days and from 2 to 9° C after 48 days had no effect on the evaluated viability variables. For yolk-sac larvae no temperature related mortalities or abnormalities were observed between 2 and 9° C.

DOI: 10.1111/j.1095-8649.2012.03344.x
PubMed: 22880731

Affiliations:

Autriche

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<front><div type="abstract" xml:lang="en">The present study investigated the effect of various temperature regimes on embryonic and yolk-sac larval development of the burbot Lota lota. At constant temperature regimes a high percentage of ready-to-hatch embryos, hatched larvae and normally shaped larvae was observed at the lowest temperature (2° C), which significantly decreased with increasing temperatures (4 and 6° C). No larvae hatched at 9° C. The stream temperature regime had no effect on the percentage of ready-to-hatch embryos, but significantly decreased the percentage of hatched larvae and of normally shaped larvae. The lake temperature regime did not affect the viability variables. Also an abrupt temperature increase from 2 to 4° C after 8 days and from 2 to 9° C after 48 days had no effect on the evaluated viability variables. For yolk-sac larvae no temperature related mortalities or abnormalities were observed between 2 and 9° C.</div>
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Serveur d'exploration Lota lota

The effect of temperature on embryonic and yolk-sac larval development in the burbot Lota lota.

The effect of temperature on embryonic and yolk-sac larval development in the burbot Lota lota.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration Lota lota
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