Utilization of oil seed meal as Candidate Fish Meal Substitutes for marine fish nutrition

Document Type : مقاله ترویجی

Author

Aquaculture Research Center-South of IRAN, Iranian Fisheries Science Research Institute, Agricultural Research Education and Extension Organization (AREEO), Ahvaz, Iran

Abstract

Fish meal is the most important protein source in the marine carnivorous fish diet. The need for this protein source has increased with the increase in aquaculture industry production, reciprocally. During these years, the supply of trash fish to produce fish meal decreased significantly. Reduced access to fishmeal and rising demand, followed by increasing prices, is a challenge to the sustainability and development of the marine fish culture. Accordingly, the study of finding new protein sources for complete or partial replacement of fish meal has become an important issue in the fish nutrition industry. Oilseed meal is one of the plant protein sources with moderate protein content (30 -50%). The use of oilseed meal up to 40% replacement of fish meal has resulted in growth performance, feed and economic efficiency comparable to diets containing fish meal as the main protein source. Decreasing the half level of fish meal in the marine fish diet by using this economical meal reduces the cost of formulated feed. Therefore, the cost of marine fish culture will be reduced, and the possibility of sustainable development of this industry will be provided.

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