National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A 60 days experiment was conducted in lab conditions to evaluate the potentiality of selected probiotics on growth performance, feed efficiency and nutrient utilization to develop cost-effective quality feed for Mystus cavasius. The uniform size fry (average weight 1.05±0.04 g) were randomly distributed in five experimental groups into triplicates in a series of cylindrical fiberglass tank (70L each) containing 50 fishes each following completely randomized design (CRD). Five iso-nitrogenous (CP 32%) and iso-caloric (GE 366 Kcal /100g) experimental diets were formulated by selecting four types of probiotics: Bactocell (Pediococcus acidilactici) as T1, Bacillus subtilis as T2, Levucell (Saccharomyces cerevisiae) as T3, Mixture of above three stains as T4 and a control diet with no probiotics. The fishes were fed thrice a day at a rate of 12-6% of their body weight. At the end of the feeding trial, highest net weight gain, percentage weight gain, specific growth rate (SGR), feed conversion efficiency (FCE) and protein efficiency ratio (PER) were observed (P <0.05) in the T1 group. FCR was lowest in T1 group (P <0.05) which was significantly different from other groups except T2 group. The proximate carcass composition differs significantly (P <0.05) among different experimental groups. These results clearly suggest that the inclusion of Bactocell (Pediococcus acidilactici) as probiotic at 0.05% level can improve growth performance, nutrient utilization and feed efficiency in M. cavasius fry.
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