News last update:6 Aug 2012

Results survey among aquaculture experts

At a recently held aquaculture meeting, organised by Alltech, the participating experts (50) gave their opinion about the current and future issues in the aquaculture business.

These are the results:

? 58% agree GM cereals and proteins will be fed to EU aquaculture within 5 years.
? 51% agree offshore open sea facilities will be prioritised due to EU Maritime zoning policy, with 13% disagreeing.
? 47% believe 1 or 1.5 ppm total Se is required for most fish species (legal limit just 0.5 ppm).
? 65% felt that 15 to 20% fish meal will be standard in salmon starter diets in the future.
? For carnivorous marine species, levels of 30 to 40% were suggested by 70% of the respondees.
? Half the respondees thought a combination of both Viral & Bacterial diseases threaten marine production.
? 65% agreed genetic selection of salmon, tilapia & sea bass has improved growth but reduced immunity and increased disease.

? 48% said all of the following factors are critical in developing aquafeed; identifying effective mineral levels, replacing fishmeal, feed contaminants and raw material prices.
? 51% agree that mycotoxin contamination has become a bigger issue in aquafeeds in the last 3 years.
? 33% thought controlling disease was the biggest threat to the development of aquaculture with rising feed costs and water quality a joint 2nd with 20% each.
? 38% felt that marketing fish as a source of DHA etc. and 37% the reducing wild fish industry were seen as the biggest opportunities for farmed fish producers.
? 66% see between 10% and 20% weight loss in their fish due to sea-lice.

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