Koshak ZV, Ilyashenko AN, Degtyarik SM, Poloz SV, Maksimyuk EV.

Animal Husbandry and Fodder Production. 2025. Vol. 108. No. 4. Р. 261-273.

doi:10.33284/2658-3135-108-4-261

Original article

Comparative evaluation of the efficiency of the probiotic Natupro in feeding trout and sterlet

 

Zhanna V Koshak1, Arthur N Ilyashenko2, Svetlana M Degtyarik3, Svetlana V Poloz4,

Evgeniya V Maksimyuk5

1,3,4,5 RUE "Institute of Fisheries" RUE "Scientific and Practical Center of the National Academy

of Sciences of Belarus on Animal Husbandry", Minsk, Belarus

2 Bioproton Europe Oy, Kaarina, Finland

1koshak.zn@gmail.com, https://orcid.org/0000-0001-8194-8896

2arturbio@yandex.ru, https://orcid.org/0000-0001-6755-5180

3lavrushnek@mail.ru, https://orcid.org/0000-0002-3589-1670

4lana.poloz@gmail.com, https://orcid.org/0000-0001-6722-3573

5jenya_maksimjuk@mail.ru, https://orcid.org/0009-0004-0497-8679

 

Abstract. High thermal stability and a wide range of positive effects provide the possibility of using bacillary probiotics in feed as a tool for increasing fish productivity. Due to the limited choice of drugs with proven efficacy in aquaculture, the study of potential probiotic additives is an important task for the maintenance and development of domestic feed producers. Within the framework of this scientific work, the effect of the Natupro multi-strain probiotic on the cultivation, product quality and health status of young trout and sterlet was studied. It was found that the use of a probiotic at a dosage of 500 g/t increases the growth rate of fish relative to intact control: in two–year-old trout - by 23.8% (P≤0.05), sterlet – by 42.5% (P≤0.05). In all both fish species fed with Natupro, there was a decrease in feed costs per 1 kg of live weight gain: trout – by 10.0 % (P≤0.05), sterlet – by 29.0% (P≤0.05).

Keywords: trout, sterlet, feeding, probiotic, feed additive, Bacillus

For citation: Koshak ZV, Ilyashenko AN, Degtyarik SM, Poloz SV, Maksimyuk EV. Comparative evaluation of the efficiency of the probiotic Natupro in feeding trout and sterlet. Animal Husbandry and Fodder Production. 2025;108(4):261-273. (In Russ.). https://doi.org/10.33284/2658-3135-108-4-261

 

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Information about the authors:

Zhanna V Koshak, Cand.  Sci.  (Technical), Associate Professor, Head of the feed Laboratory, RUE "Institute of Fisheries" RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry", 22 Stebeneva str., Minsk, 220024, tel.: +375 (29) 780-66-08.

Arthur N Ilyashenko, Cand. Sci. (Biology), Scientific consultant on animal feeding, Bioproton Europe Oy, Kaarina, Finland, tel.: +7 (909) 912-77-31.

Svetlana M Degtyarik, Cand. Sci. (Biology), associate professor, head of the laboratory of Fish diseases, RUE "Institute of Fisheries" RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry", 22 Stebeneva str., Minsk, 220024, tel.: +375 (29) 543-52-92.

Svetlana V Poloz, Cand. Sci. (Veterinary), associate professor, leading researcher of the laboratory of Fish diseases, RUE "Institute of Fisheries" RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry", 22 Stebeneva str., Minsk, 220024, tel.: +375 (29) 756-49-51.

Evgeniya V Maksimyuk, Senior Researcher of the laboratory of Fish diseases, RUE "Institute of Fisheries" RUE "Scientific and Practical Center of the National Academy of Sciences of Belarus on Animal Husbandry", 22 Stebeneva str., Minsk, 220024, tel.: +375 (44) 540-92-66.

Contribution of the authors: the authors contributed equally to this article. The authors declare no conflicts of interests.

The article was submitted 03.06.2025; approved after reviewing 01.08.2025; accepted for publication 15.12.2025.

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