BIO Web Conf.
Volume 42, 2022International Scientific and Practical Conference “Sustainable Development of Traditional and Organic Agriculture in the Concept of Green Economy” (SDGE 2021)
|Number of page(s)||5|
|Section||Agrobiotechnology in Crop and Livestock Production|
|Published online||13 January 2022|
New bacilli-based probiotic for aquaculture: efficacy study on Macrobrachium rosenbergii
EC “Prombiotech”, Altai State University, 656049 Lenin Avenue 61, Barnaul, Russian Federation
2 “Arsal” LLC, 658839 Gagarina Street 1C, Yarovoe, Russian Federation
* Corresponding author: email@example.com
The data on the study of the effectiveness of a new probiotic based on strains B. toyonensis B-13249 and B. pumilus B-13250 when growing shrimps are presented. The experiments were carried out on a private farm in Kazakhstan. The control group of shrimps, which did not receive the probiotic, completed the molting process on the 28th day of the experiment, and the experimental group – 10 days earlier. It was also found that the probiotic has a positive effect on the hydrochemistry of water in recirculating aquaculture system (RAS). The concentration of ammonium (NH3/NH4 +), nitrite (NO2) and nitrate (NO3-) nitrogen in the experimental group did not reach the limit value, in contrast to the control. Based on the obtained results, this probiotic can be recommended for greening aquaculture. The dosage of the probiotic when applied with brine shrimp as feed for shrimp is 1 g/100 g of dry cysts. The dosage of the probiotic when the RAS is added to the water is 5 g/600 l of circulating water once a week.
© The Authors, published by EDP Sciences, 2022
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