Nippon Suisan Kaisha, Ltd.

Taeko Kousaka

Yasuhiro Fukuda

Tsuyoshi Goto

Itaru Shioya

Hideki Nikaido

Yosuke Tanaka

This invention provides a feed for fish farming which is excellent in terms of stability of feed supply and feed shelf life and which has excellent feed intake and feed efficiency. The feed for fish farming has an outer layer and an inner layer, characterized in that a composition constituting the outer layer has a breaking stress of 5&#xd7;10to 1&#xd7;10N/m, a cohesiveness (30%) of 0.4 to 1.0, and a breaking strain of 30 to 80%. The feed for fish farming is characterized by having an outer layer constructed from a heat-induced gel which comprises a protein and/or a starch, and an inner layer comprising a composition which contains nutrient ingredients having fish meal and an oil as essential ingredients.

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Tokyo, Japan

Taeko Kousaka