The effects of saccharomyces cerevisiae-enriched diet on feed usage efficiency, growth performance and survival rate in java barb (barbonymus gonionotus) fingerlings

Abstract

The study aimed to examine the effects of Saccharomyces cerevisiae-enriched diet on feed usage efficiency, growth performance and survival rate in Java barb (Barbonymus gonionotus) fingerlings. The Java barb fingerlings had an average weight of 2.53±0.58 g head-1. They were collected from Muntilan, Central Java, Indonesia. Experimental method using Completely Randomized Design (CRD) was implemented. The experiment had 5 (five) treatments with four repetitions in each treatment. Those treatments were by adding various doses of S. cerevisiae for every kilogram feed as follows: 0 g (treatment A), 1.5 g (treatment B), 3.0 g (treatment C), 4.5 g (treatment D) and 6.0 g (treatment E). The parameters studied were the efficiency of feed utilization (EFU), protein digestibility (ADCp), feed conversion ratio (FCR), protein efficiency (PER), relative growth rate (RGR), survival rate (SR), and water condition was also evaluated. The findings disclosed that S. cerevisiae supplemented diet has significant effect (p < 0.05) on EFU, ADCp, PER, FCR, RGR, otherwise it has insignificant effect (p > 0.05) on SR of Java barb fingerlings. The addition of S. cerevisiae 3 g kg-1 of feed was the best dose that produced EFU, ADCp, PER, FCR, RGR values of 72.09%, 75.42%, 3.89, 1.38, and 4.75% day-1 respectively. The parameters of water quality were still in the viable condition to cultivate Java barb.