Along with development of aquaculture industry, farming models also change rapidly from extensive farming with low stocking density using natural feed to semiintensive, intensive and high density farming using processed feed in concentrated regions, producing a volume of products for domestic consumption and export. But the application of new farming models with high stocking density, high output, energy consuming and high production costs has brought about imbalance of natural system, eco-damages and negative impacts on environment.
To continue reading the article, please see the attached file:
The content |