alevin


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alevin

advanced fry.
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Children are given responsibility for hatching salmon eggs in the classroom and looking after the alevins [newly spawned salmon].
Contribution a L'etude de Gambusia affinis (Teleosteens, Poeciliidae), Poisson Predateur des Larves de Moustiques: Croissance des Alevins, Etude du Cycle Sexuel et Correlations Metaboliques.
The life of a farmed Atlantic salmon begins in a smolt hatchery, where eggs are hatched and the alevins (the infant stage) are carefully looked after in giant cold vaults containing 1.
Eggs are incubated and the hatched alevins - tiny fish with yolk sacks - are reared in tanks where plastic material mimics the nooks and crannies of a river gravel bed.
Les amateurs de peche sportive construisent une passe migratoire au barrage de la Paton en 1871 et entreprennent l'ensemencement de la riviere avec des alevins de saumon et de truite, deux poissons qui ont abonde longtemps au cours du XIXe siecle (15).
The sudden and dramatic drop in water flows killed thousands of winter steelhead alevins and trout fry.
Chinook salmon alevins were exposed during their labile period for sex differentiation to different concentrations of bleached kraft mill effluent (BKME), primary sewage effluent, secondary sewage effluent (SE), 17[beta]-estradiol, testosterone, and nonylphenol.
Ces journees, visant la vulgarisation des avantages de l'ensemencement en alevins des bassins agricoles, dans la protection de l'environnement et la lutte contre la pollution, devront profiter a une douzaine d'agriculteurs de la region et seront sanctionnees par une attestation de formation dans le domaine, a-t-il ajoute.
At the end the children were asked if they would look after some salmon eggs and hatch them and two weeks after they were delivered the young salmon, known as alevins, hatched and were taken to the EA hatchery to be fed and reared.
Out of 4,500 alevins, only 650 fry will make it to the parr stage.