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Chapter 13. Feeding in hatcheries
Feeds and feeding are crucial to hatchery success. In freshwater, commercial manufactured feeds are successfully fed at first-feeding to many important aquaculture species. These fish typically have large larvae with well-developed digestive tracts and include carp, salmonids and catfish. Almost all marine larvae require a period of feeding on live feeds and can only use manufactured feeds several days after hatch when the larvae have grown larger and have a more advanced digestive tract. Different live feeds and manufactured feeds are introduced in relation to the changing nutritional physiology of larval fish. Current hatchery feeding regimes are outlined for several key species selected to represent different types of fish and aquaculture systems. Future developments and trends will be to: understand quantitative nutrient requirements of larval and early juvenile fish; reduce reliance of marine species for live feeds by increasing co-feeding and starting this earlier in the larval cycle; eventually replace live feeds with manufactured feeds (although this is some time away); adopt approaches for the rapid technology transfer across the multitude of species being investigated as candidates for aquaculture.
History
Publication title
Feed and Feeding Practices in AquacultureEditors
D Allen DavisPagination
317-348ISBN
978-0-08-100506-4Department/School
Institute for Marine and Antarctic StudiesPublisher
ElsevierPlace of publication
United KingdomExtent
15Rights statement
Copyright 2015 Elsevier Ltd.Repository Status
- Restricted