The aim of this study was to evaluate the effects of probiotic bacteria Lactobacillus plantarum, ... more The aim of this study was to evaluate the effects of probiotic bacteria Lactobacillus plantarum, Bacillus subtilis and their mix additives on growth performance, body composition, immune response and hematological parameters of rainbow trout (Oncorhynchus mykiss) under sublethal water temperature. Feeding trial was carried out for 60 days. The first group was fed with commercial feed plus fish oil. The second and third groups were given commercial feed plus Lactobacillus plantarum and Bacillus subtilis at a rate of 107 CFU g-1 fish oil, respectively. The fourth group was also fed with commercial feed plus 50% of both probiotic bacteria. After 60 days, there were no differences among the survival rates and body proximate composition of experimental groups. Results also showed that all additives (L. plantarum, B. subtilis and their mix) to diets had no significant effect on growth parameters of rainbow trout, although the fish fed the diet with L. plantarum had statistically better fe...
Present study was conducted to provide information on the adaptation capability of salema to cult... more Present study was conducted to provide information on the adaptation capability of salema to culture conditions and evaluate growth performance and bio-economic benefits as a potential candidate for marine aquaculture and alternative to fishing. Wild fish caught using casting nets were fed with trash fish initially until adapted to tank conditions. Thereafter fish were adapted to pellets by gradual replacement of trash feed. Dry feed adapted fish were then fed experimental diets containing four different protein levels (25, 30, 35, and 40%). Overall, salema fed lower protein diets showed better performance and bio-economic results. Broken-line analyses indicated that the optimum protein for best performance were 30.5% under the conditions applied in this study. Finally, salema might be acclimatized to culture conditions and artificial diets, however, further studies are encouraged under different water temperatures with long-term feeding and different stocking densities, artificial ...
The aim of this study was to evaluate the effects of probiotic bacteria Lactobacillus plantarum, ... more The aim of this study was to evaluate the effects of probiotic bacteria Lactobacillus plantarum, Bacillus subtilis and their mix additives on growth performance, body composition, immune response and hematological parameters of rainbow trout (Oncorhynchus mykiss) under sublethal water temperature. Feeding trial was carried out for 60 days. The first group was fed with commercial feed plus fish oil. The second and third groups were given commercial feed plus Lactobacillus plantarum and Bacillus subtilis at a rate of 107 CFU g-1 fish oil, respectively. The fourth group was also fed with commercial feed plus 50% of both probiotic bacteria. After 60 days, there were no differences among the survival rates and body proximate composition of experimental groups. Results also showed that all additives (L. plantarum, B. subtilis and their mix) to diets had no significant effect on growth parameters of rainbow trout, although the fish fed the diet with L. plantarum had statistically better fe...
Present study was conducted to provide information on the adaptation capability of salema to cult... more Present study was conducted to provide information on the adaptation capability of salema to culture conditions and evaluate growth performance and bio-economic benefits as a potential candidate for marine aquaculture and alternative to fishing. Wild fish caught using casting nets were fed with trash fish initially until adapted to tank conditions. Thereafter fish were adapted to pellets by gradual replacement of trash feed. Dry feed adapted fish were then fed experimental diets containing four different protein levels (25, 30, 35, and 40%). Overall, salema fed lower protein diets showed better performance and bio-economic results. Broken-line analyses indicated that the optimum protein for best performance were 30.5% under the conditions applied in this study. Finally, salema might be acclimatized to culture conditions and artificial diets, however, further studies are encouraged under different water temperatures with long-term feeding and different stocking densities, artificial ...
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