Using fermented mixture of macrophytes in the technology of compound feed for industrial cultivation of juvenile sea cucumber <i>Apostichopus japonicus</i>

Author:

Kadnikova I. A.1ORCID,Aminina N. M.1ORCID

Affiliation:

1. Pacific branch of VNIRO (TINRO)

Abstract

Enzymatic hydrolysis of seaweed and seagrass (anfeltia Ahnfeltia tobuchiensis, laminaria Saccharina japonica, and eelgrass Zostera marina) is investigated. The enzyme preparation Viskoferm was the most effective for the mixture of these macrophytes, with high content of laminaria and eelgrass, under conditions of temperature 65 оC and pH 6.0. The hydrolysis in 16 hours reduced content of high-molecular polysaccharides and increased the portion of easily hydrolysable carbohydrates. Feeding of the sea cucumber juveniles by compound feeds with this fermented mixture of macrophytes had a positive effect on their physiological state; the food was easily digested by the animals and provided good gains. The average daily weight gain of juvenile sea cucumber in hatchery conditions had increased by 1.2 times in case of using the starter compound feed and by 1.5 times — for breeding with the productional compound feed.

Publisher

FSBSI TINRO Center

Subject

General Medicine

Reference17 articles.

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3. Mokretsova, N.D., Viktorovskaya, G.I., Sukhin, I.Yu., Dzizyurov, V.D., Kurgansky, G.N., and Gostyukhina, O.B., Instruktsiya po tekhnologii polucheniya zhiznestoykoy molodi trepanga v zavodskikh usloviyakh (Instructions for the technology of obtaining viable sea cucumber fry in the factory), Vladivostok: TINRO-Tsentr, 2012.

4. Kadnikova, I.A., Aminina, N.M., Mokretsova, N.D., and Rogov, A.M., Use of various algae species in the feed composition for sea cucumber juvenils, Vestnik Astrakh. Gos. Tekh. Univ., Ser. Ryb. khoz-vo, 2015, no. 4, pp. 62–68.

5. Kadnikova, I.A., Aminina, N.M., and Rogov, A.M., Enzymatic processing of seaweed is a promising method for obtaining feed additives for mariculture, in Novyye dostizheniya v khimii i khimicheskoy tekhnologii rastitel’nogo syr’ya : mat-ly 6-y Vseros. konf. s mezhdunar. uchast. (New achievements in chemistry and chemical technology of plant raw materials: materials of the 6th All-Russian. conf. from the international participation), N.G. Bazarnova, V.I. Markin, eds, Barnaul: Alt. gos. un-t, 2014, pp. 415–416.

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