Efficacy of Probiotic and Nitrifier Bacterial Consortium for the Enhancement of Litopenaeus vannamei Aquaculture
Journal Title: International Journal of Veterinary Science and Research - Year 2016, Vol 2, Issue 1
Abstract
Shrimp farming is one of the most important aquaculture practices worldwide. In general, the excess feed and faecal matter deposited in the bottom of the pond undergo ammonification and result in excess of ammonia formation in pond water and sediment. In addition, eutrophication in the culture system/pond can cause stress to the animals and ultimately end with microbial diseases. The present simulation study was carried out to isolate the potential beneficial bacterial strains to improve the shrimp micro biota (GIT) and to reduce the ammonia and nitrite toxicity in shrimp grow out ponds on a laboratory scale experiment. The Lactobacillus sp AMET1506 obtained from AMET Microbial Culture Collection Centre, showed strongest antibacterial activity against shrimp pathogens. The Nitrosomonas sp AMETNM01 and Nitrobacter sp AMETNB03 were isolated from shrimp culture pond sediments using Winogradsky Phase I and Phase II medium. A total of 150 shrimps (Litopenaeus vannamei) PL (15) were obtained from a commercial shrimp hatchery located in Marakanam, Kanchipuram District, Tamil Nadu, India. After acclimation of the shrimps for seven days, the average weight of the shrimps were divided into three batches in 100 litre glass tanks (70 liter of seawater), each containing 50 post larvae. The Tank 1 was treated with commercial feed and the Tank 2 and 3 were treated through feed supplemented with 105 CFU g-1 of Lactobacillus sp AMET1506 for 40 days.
Authors and Affiliations
Karthik R, Pushpam Angelin C, Chelvan Yashika, Vanitha MC
Keywords
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- EP ID EP553782
- DOI 10.17352/ijvsr.000006
- Views 46
- Downloads 0
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