Resources

Description

World aquaculture production is dominated by omnivorous fish species that live in freshwater, including various carp and catfish species. Soybean meal is a prominent ingredient used in prepared diets for these species, often constituting 50 to 60% of the total formulation. Such levels of incorporation are possible due to adequate palatability of soybean meal and its excellent nutritional value for these species, including high levels of crude protein, complementary amino acid profile and relatively high nutrient digestibility. For many omnivorous freshwater species cultured throughout the world, soybean meal has largely replaced more costly protein feedstuffs in diet formulations, such as fish meal, while maintaining optimal fish production. As a result, the cost of fish production has been reduced substantially. While aquacultural production continues to expand worldwide to meet the growing demand for seafood, the use of soybean products will play an even more important role in providing high-quality protein for various fish species.

Language
English

Author
Delbert M. Gatlin III
Description

A pond feeding trial was conducted by the American Soybean Association International Marketing (ASA-IM) program, in cooperation with the China National Fisheries Technology Extension Center (NEC) and the Beijing Municipal Fishery Technology Extension Center (BFTEC), to demonstrate the value of soy protein concentrate (SPC) as a substitute for fishmeal in the growout feed for black carp. Three previous ASA-IM feeding trials conducted in 2006 and 2007 had demonstrated the value of the ASA-IM 36/7 1 soy-based feed for culturing black carp. In two trials in 2006, black carp grew from 250 g to 855 g in 113 days with an FCR of 1.08:1, and from 51 g to 693 g in 131 days with an average FCR of 1.32:1 with the 36/7 feed. In a 2007 trial, black carp grew from 600 g to 2.24 kg in 113 days with an FCR of 1.39:1 with the 36/7 feed. The feed in both the 2006 and 2007 trials contained an average of 43% dehulled soybean meal and 13.25% fish meal.

The 2008 black carp feeding trial compared black carp performance with the standard 36/7 feed containing fishmeal that was used in the 2006 and 2007 black carp feeding trials, and a nutritionally equivalent 36/7 feed in which fishmeal was replaced by SPC. The objective was to demonstrate to fish farmers and feed millers that SPC could be used as a substitute for fishmeal to provide a renewable, all-plant protein feed that would allow for greater feed formulation flexibility and improved industry sustainability.

Language
English

Date Published
October 30, 2008

Author
Michael C. Cremer, Zhou Enhua and Zhang Jian
Description

Pond feeding trials conducted cooperatively by the American Soybean Association International Marketing (ASA-IM) program, the Heilongjiang Provincial Fishery Extension Center and the Shenyang Municipal Fishery Research Institute demonstrated the economic value of a soy-based, high protein diet for black carp. Feeding trials were conducted in 2006 in Heilongjiang and Liaoning Provinces to evaluate second and third year growth performance of black carp fed a soy-based, 36% crude protein feed and the resulting economic value to fish farmers in the northeastern region of China.

Language
English

Date Published
October 29, 2006

Author
Michael C. Cremer, Zhou Enhua and Zhang Jian