Thiamin dynamics during the adult life cycle of Atlantic salmon (Salmo salar)

[Glalaksen]

Thiamin dynamics during the adult life cycle of Atlantic salmon (Salmo salar)

 

 

Thiamin is an essential water-soluble B vitamin known for its wide range of metabolic functions and antioxidant properties.

Over the past decades, reproductive failures induced by thiamin deficiency have been observed in several salmonid species worldwide, but it is unclear why this micronutrient deficiency arises.

Few studies have compared thiamin concentrations in systems of salmonid populations with or without documented thiamin deficiency.

Moreover, it is not well known whether and how thiamin concentration changes during the marine feeding phase and the spawning migration.

Therefore, samples of Atlantic salmon (Salmo salar) were collected when actively feeding in the open Baltic Sea, after the sea migration to natal rivers, after river migration, and during the spawning period.

To compare populations of Baltic salmon with systems without documented thiamin deficiency, a population of landlocked salmon located in Lake Vänern (Sweden) was sampled as well as salmon from Norwegian rivers draining into the North Atlantic Ocean.

 

Link:

https://brage.nina.no/nina-xmlui/handle/11250/3107089

 

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