| Issue |
BIO Web Conf.
Volume 37, 2021
International Scientific-Practical Conference “Agriculture and Food Security: Technology, Innovation, Markets, Human Resources” (FIES 2021)
|
|
|---|---|---|
| Article Number | 00168 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/bioconf/20213700168 | |
| Published online | 27 October 2021 | |
Efficiency of Using Natural Zeolites in Cultivation of African Catfish
Ulyanovsk State Agrarian University named after P.A. Stolypin, Ulyanovsk, 432017, Russia
* Corresponding author: vvr-emr@yandex.ru
The article represents the results of studies in zeolite use in fish feeding. The influence of zeolites on the exterior and interior characteristics of African catfish grown in high-technological industrial aquaculture was evaluated. Zeolites were introduced into fish feed in the amount of 3 % and 5 %. The use of zeolites in feeding of African catfish has had a positive impact on the growth, exterior and interior indicators of fish. In five-month-old catfish, when using zeolites, the average daily growth increased by 4.15 g (with 3 % addition of zeolites) and by 4.68 g (with 5 % addition of zeolites), compared to fish that did not receive zeolites. In the experimental groups, there was also an increase in absolute growth by 124.4 g-with 3 % addition of zeolites and 140.2 g-with 5 % addition of zeolites. The commercial weight of fish using zeolites increased by 24.05 % and 35.52 %, respectively. The results show that when growing commercial fish, the use of zeolites in the feed composition fastens its growth and significantly reduces feed costs. 1
© The Authors, published by EDP Sciences, 2021
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