EFFECTS OF PRO YG TABLETS ON GROWTH PERFORMANCE, SURVIVAL RATE AND VIBRIO CONTROL OF LITOPENAEUS VANNAMEI CULTURE PONDS  

In aquaculture practices, probiotics are considered a valid alternative to antibiotics and in particular to maintain optimum water quality and to control pathogen loads. The present work emphasizes the efficacy of the Pro YG Tablets (product from Royal Bio-Marine, Pernambut, India, Certified by Coastal Aquaculture Authority of India (CAA Reg. No. CAA/F16/FA/00817) role in water quality management, soil quality and survival rates in Penaeus vanammei  culture. The study was carried out for 122 days to know the growth and survival rate of P. vanammei by applying Pro YG Tablets in Ganapavarm, West Godavari district. Andhra Pradesh. India. Four experimental ponds (0.8 hec pond) were selected of which two were PRO YG Tablets treated ponds and remaining two is control. Crab fencing and bird netting was done before pumping water to prevent the autoentrants. After pond preparation, PL10 (average weight of each 0.98±0.04 mg (mean±SD) was stocked at the rate of 51 per m2 following polymerase chain reaction (PCR) tested by Using IQ 2000 PCR kit from Aqua Lab. The commercially available branded feed was used during the entire study period. Transparency, salinity, pH, dissolved oxygen (DO), temperature, total Ammonia Nitrogen (TAN) were recorded by standard measurements. The average final body weight of the harvested shrimp is 22.5, 23 g in probiotics ponds and 18.2, 18 g in controlled ponds and the difference was significant (P < 0.01) between these two productions. The average survival rate was 91.5 % in probiotic pond and 76 % in controlled pond. The average Vibrio bacterial (yellow and green colonies) counts were found to be significantly (P<0.01) lower in Pro YG Tablet treated (Pond 1, Pond 2) ponds compared to control ponds (Pond 3, Pond4). Especially dominant green colonies were lowered in both the experimental ponds and increased Vibrio levels are noticed in Pond 3 and Pond 4 in periodical weekly sampling in water and animal samples.

The result showed that Pro YG Tablets plays an important role in maintaining water quality parameters, soil sludge digestion, health management, reduced Vibrio bacterial count and improved total yield of shrimp survival rates.

Effects of Pro YG Tablets on growth performance, survival rate and Vibrio control in Litopenaeus Vannamei culture system