บทคัดย่อThis study examined probiotics brand advance pharma on growth rate and Survival rate. The experiment was randomized using a probiotics contained in a food formulated with four different concentrations of 0, 0.5, 1 and 1.5 percent feed for 90 days. Each treatment had 3 replications The result Show that the average weight, weight gain and FCR. each treatment non- significantly different (p > 0.05) Feed with diet containing probiotics at 1.5% had the highest average weight gain at 22.67 ± 2.22 g. followed by Feed with diet containing probiotics at 1% at average weight of 21.67 ± 0.94 g. The survival rate show that treatment 1 Feed with diet containing probiotics at 0%, had the highest survival rate at 100 percent, followed by treatment 4 feed with diet containing probiotics at 1.5%, with survival rate at 99.14 ± 1.22. The weight gain show that treatment 4 feed with diet containing probiotics at 1.5 %, had weight gain rise as high as 218.51. ± 18.53 g followed by treatment 2 Feed with diet containing probiotics at 0.5 %, at 205.67 ± 46.64 g. The feed conversion ratio. Show that treatment 1 diet containing probiotics at 0 % had highest feed conversion ratio at 2.53 ± 0.38, followed by treatment 2 diet containing probiotics at 0.5 % rate of feed conversion at 2.41 ± 0.60 The average daily growth show that treatment 4 feed with diet containing probiotics at 1.5 per cent average daily growth, had the highest at 0.20 ± 0.02 grams. per day treatment, 4 had the rate of average daily growth higher than the other treatments were significantly different (p <0.05)Water quality parameters showed that temperature, acidity - pH. Dissolved oxygen and ammonia dissolved in water during feed for 90 days in all treatment is non-significantly different (p> 0.05).
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