Husbandry

Any sushi lover will tell you that salmon and rice are an ideal combination.….

In a recent study Polish researchers have determined what they believe is the optimal feeding level for burbot larvae fed freshly hatched brine shrimp during three different rearing larval stages.

Unlike most recent developments in the application of advanced molecular genetics in animal breeding, Genomic Selection promises to be accessible to relatively modest breeding programmes. This is due in large part to it being less reliant on extensive infrastructure such as separate family tanks and whole-lifetime trait recording.

In the November 2014 issue of Hatchery International, contributor Erich Luening described some recent work from James Cook University in Townsville, Australia, on the shelf life of cultured micro-algal concentrates. The article also described their potential to replace live micro-algae used to enrich rotifers and other live feeds for marine fish larvae.

In Norway the majority of post-smolt Atlantic salmon (Salmo salar) are grown in sea cages, which is where the highest losses occur. According to Sara Calabrese of the University of Bergen, close to 10-15% of the fish die before reaching market size.

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