Replacing fish meal and fish oil in industrial fish feeds

• Type: Chapter or Part of a Book
• Date: 2022

Authors

Oliva Teles, A (Author) FCUP; Enes, P (Author) FCUP; Ana Couto (Author) FCUP; Peres, H (Author) FCUP

Book

Title: Feed and Feeding Practices in Aquaculture, Second Edition

Pages: 231-268

ISBN: 9780128215982; 9780128229927

Indexing

Scopus - 19 Citations

Other information

Authenticus ID: P-00X-HFQ

DOI: 10.1016/b978-0-12-821598-2.00011-4

Abstract (EN): World food fish production has increased significantly during the past decades and it is expected to continue to increase in the future. This puts enormous pressure on the demand for fish meal (FM) and fish oil (FO) for inclusion in aquafeeds with the consequent increase in the price of these commodities. Thus reducing aquafeeds dependency on FM and FO is of utmost importance and a priority for the sustainable growth of aquaculture. Feeds low in FM and FO must ensure adequate growth performance and feed utilization and also ensure fish health and a resultant final product that is nutritionally adequate, safe to eat, and well accepted by consumers. Overall, reducing part of the FM and FO in fish diets is relatively simple. However, severe reductions or total replacement by alternative feedstuffs is more complicated without affecting growth performance and fish health. Furthermore, FO is still the primary commercial source of essential fatty acids for marine fish, thus reducing it might risk becoming a bottleneck for the growth of marine fish production. Hence, it is mandatory to pursue efforts to replace FM and FO in fish feeds and develop strategies that minimize the impact of dietary FO reduction on fish fillet quality for human consumption. This chapter provides a comprehensive review of feedstuffs used in fish feeds, indicating potential advantages and inconveniences of their use. Overall, there is potential for significant sparing of FM and FO in fish diets during the grow-out phase without affecting fish performance. However, more research is required to evaluate the effects of simultaneous replacement of FM and FO in the diets, as well as aspects related to the fish inflammatory and immunological status, oxidative status, health, and disease resistance of animals that are fed these alternative feeds. © 2022 Elsevier Ltd. All rights reserved.

Language: English

Type (Professor's evaluation): Scientific