Fish-breeding and biological indicators of young stager fish with the application of preventive feed with hepatoprotective characteristics

УДК 639.371.2.043
DOI 10.33861/2071-8020-2023-3-54-56

Abramov A. A., Semenenko M. P., Maksim E. A., Kuzminova E. V., Dolgov E. P., Kaloshkina I. M.

Summary. The article describes a production experiment on the use of a complete mixed feed with various concentrations of a complex hepatoprotective agent for growing sterlet fry and assessed the effect of the modified feed on the growth characteristics of fish during a 60-day course of use. It has been determined that the introduction of a hepatoprotector in the selected concentrations into the feed had a positive effect on the fishing and biological parameters of sterlet fry, as evidenced by the differences in a number of the studied parameters of the experimental groups in relation to the control analogues by the end of the experimental period: an increase in body weight gain up to 19.5%, the coefficient fatness up to 11.5%, feed ratio up to 38.5%, gross weight gain by 27.1% while reducing feed consumption to 22.4%. For further research, a compound feed containing the hepatoprotector heprasan-NEO 1.5% per feed mass unit is recommended.

Keywords: aquaculture, sturgeon breeding, compound feed, overgranulation, liver pathology, hepatoprotective agent, sterlet, fish-breeding and biological parameters, feed conversion ratio

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Author affiliation:

Semenenko Marina P., D.Sc. in Veterinary Medicine, docent, Head of the Pharmacology Department of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 1, 1-ya Liniya st., Krasnodar, 350004; phone: 8-918-4612663; е-mail: sever291@mail.ru.

Maksim Ekaterina A., Ph.D. in Biology, Senior Researcher at of the Livestock Breeding Technology department of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 350004, Krasnodar, pos. Znamensky, st. Pervomaiskaya, 4; phone: 8-988-5208295; e-mail: eisk.osetr@mail.ru.

Kuzminova Elena V., D.Sc. in Veterinary Medicine, docent, chief scientific researcher of the Pharmacology Department of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 1, 1-ya Liniya st., Krasnodar, 350004; phone: 8-918-4198369; e-mail: niva1430@mail.ru.

Dolgov Evgeniy P., Ph.D. in Veterinary Medicine, senior scientific researcher of the Pharmacology Department of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 1, 1-ya Liniya st., Krasnodar, 350004; phone: 8-906-4362376; e-mail: edolgov93@mail.ru.

Kaloshkina Inna M., Ph.D. in Veterinary Medicine, head of the department of antiparasitic, veterinary and sanitary measures of the Krasnodar regional station of fighting against animal diseases; 15/1, Kalinina st., Krasnodar, 350004; phone: 8-861-2216091; e-mail: beretarinna@gmail.com.

Responsible for correspondence with the editorial board: Abramov Andrey A., Ph.D. in Veterinary Medicine, senior scientific researcher of the Pharmacology Department of the Krasnodar Research Centre for Animal Husbandry and Veterinary Medicine; 1, 1-ya Liniya st., Krasnodar, 350004; phone: 8-902-4061527; e-mail: abramov1527@mail.ru.