| Improvement of growth performance, digestive enzymes and water quality of common carp (Cyprinus carpio) culture fed with Saccharomyces cerevisiae yeast in biofloc system |
| Paper ID : 1076-ICIAQUA |
| Authors |
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Hossein Adineh *1, hojjatallah jafaryan2, mohammad farhangi3, Zahra Kohestani4, Seyed Amir Mahdi Hashemianfar5 1Associate Professor of Aquaculture, Department of Fisheries Science, Faculty of Agriculture and Natural Resources, Gonbad Kavous University, Golestan, Iran. 2Gonbad Kavous Universtiy 3GONBAD KAVOUS UNIVERSITY 4Gonbad Kavous 5Gonbad kavos |
| Abstract |
| The Saccharomyces cerevisiae yeast is a potential feed ingredient for use in aquafeed owing to its multi‐functional properties, such as being rich, in protein in combination with its probiotic and immune stimulant properties. Besides a nutritionally balanced diet, the water environment is also a very important factor. Currently, there is growing interest in the application of biofloc technology in aquaculture systems to support sustainable development goals. In this study, the effects of low protein diet containing 0 (control), 2% (B1), 4% (B2) and 8% (B3) Saccharomyces cerevisiae on growth and immunity performance of common carp and water quality of the rearing environment were evaluated for 56 days. A total of 204 fish with mean weight (13.14 ± 0.33 g) were distributed into 12 tanks (triplicate treatments). The results showed that 2% of yeast in the diet can significantly increase growth performance, feed efficiency, and Intestinal amylase, lipase, and protease activities, compared to other treatments. Dietary containing 2% yeast significantly increased serum lysozyme and total immunoglobulin, but serum ACH50 had no statistically significant difference between treatments. The total ammonia (TAN) concentration was significantly lower in B1 and B2 biofloc treatments. Based on the present results, diet containing 2% yeast can improve digestive enzymes, growth performance, immune responses of common carp cultured in biofloc environment. |
| Keywords |
| Common carp, Biofloc, Yeast, Physiological function |
| Status: Abstract Accepted (Oral Presentation) |