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.
Keywords: application method;
RICA probiotic; TBV/TPC ratio; white-leg shrimp
Author: Endang Susianingsih,
Koko Kurniawan, Muharijadi Atmomarsono
Journal Code: jpperikanangg170013
