PERFORMANCE OF CULTURED White-leg Shrimp IN RICA Probiotic Application METHOD in PONDS AERATED WITH SUPERCHARGE BLOWER

Abstract

Several ways have been done to encounter shrimp disease affecting cultured shrimp in Indonesian ponds in the last two decades. This research was aimed to find out the effect of different application of probiotic RICA4, RICA5, and RICA3 method on survival rate and production of white-leg shrimp (Litopenaeus vannamei) cultured in ponds aerated with supercharge blower. RICA probiotics are bacteria probiotics produced by the Research and Development Institute for Coastal Aquaculture, originally isolated from seaweed and sea sediment. This experiment was carried out in completely randomized design using nine 250-m2 experimental ponds stocked with 15 shrimp fries/m2. There were three treatments namely: A=alternate use of three probiotics RICA4, RICA5, and RICA3; B=combination use of three probiotics RICA4, RICA5, and RICA3; and C=control (without probiotic), each treatment with three replications and cultured with supercharge blower. Variables observed in this study were survival rate and production of the shrimp calculated at the end of experiment, total vibrio count (TBV) and total plate count of common bacteria (TPC) of the pond waters and sediments monitored every two weeks. The results showed that application of probiotic RICA4, RICA5, and RICA3 applied either in alteration or in combination significantly increased survival rate (P<0.05) but not on production (P>0.05) of the white-leg shrimp. TBV/TPC ratio in the control pond waters after 10-weeks culture (over than 10%) was relatively dangerous for the cultured white-leg shrimp. This shows that application of probiotic could prevent the growth of Vibrio spp in the cultured shrimp pond water.

Use of Different Probiotics for Prevention of Vibriosis Disease on Tiger Shrimp Larvae Reared in Fiberglass Tanksuse of Different Probiotics for Prevention of Vibriosis Disease on Tiger Shrimp Larvae Reared in Fiberglass Tanks

“…Control (without probiotic) 51.2 ± 4.4 a 1.3 ± 0.6 a (37.52%). This finding was in line with the results reported by Atmomarsono & Nurbaya (2014) and Susianingsih et al (2017) where the increase of TBV/ TPC ratio in the culture water of more than 10% could be dangerous to the cultured shrimp.…”

“…According to Defoirdt (2007) Vibrio harveyi could be dangerous when its population in the cultured shrimp water reached 10 4 cfu/mL. However, eventhough the vibrio numbers in this research were still lower than 10 4 cfu/mL, they might cause shrimp mortality when TBV/TPC ratio increased over 10% (Atmomarsono & Nurbaya, 2014;Susianingsih et al, 2017). Table 3 shows that nitrite-nitrogen concentrations in the tiger shrimp culture tank water tended to increase following the culture period.…”

“…These two water quality parameters might trigger the growth of pathogenic vibrios, in TBV/TPC ratio over 10% in the control (19.68%) and treatment C (37.52%) ( Table 5). This level of TBV/TPC ratios was relatively dangerous to shrimp (Atmomarsono & Nurbaya, 2014;Susianingsih et al, 2017). Madeali et al (2009) similarly reported that the pathogenicity of Vibrio harveyi was enhanced by the high concentration of total organic matter (more than 30 mg/L) in the cultured shrimp water.…”

Analisis Kualitas Lingkungan Dan Produktivitas Tambak Budidaya Udang Windu Sistem Teknologi Tradisional Di Kabupaten Bulungan

“…Zhou, (2015) memperkirakan bahwa sekitar 25-33% amonia dalam air berasal dari sedimen. Susianingsih et al, (2017) mengatakan bahwa tidak seperti nitrit dan amonia, nitrat kurang toksik bagi udang budidaya, karena nitrat dapat digunakan langsung oleh produsen primer di tambak/kolam pemeliharaan.…”