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July 6, 2015


Andhra Pradesh—Heavy Rains Cause Shrimp Mortalities


Rainfall in the state of Andhra Pradesh, the heart of India’s shrimp farming industry, has altered the chemical composition of the water in Penaeus vannamei ponds, leading to mass mortalities right before harvests were scheduled to begin in Krishna, East and West Godavari and Nellore districts.


A shrimp farmer based in Nagayalanka said, “We are harvesting vannamei that are alive in the ponds irrespective of their growth.  ...Delay in harvesting will cause...complete death of shrimp as changed parameters in the water are not suitable for their survival.”  In addition, the color of the vannamei have changed as a result of the high levels of ammonium and hydrogen sulphide that occur after the rains.


T. Lankeswara Rao, a shrimp farming facing the problem, said, “The discolored vannamei can’t even be sold in the local market and hence they have to be buried.”  He added that the price of vannamei has slumped from $5.37 to $4.23 a kilogram [size not given] in July, in just twenty days.


Processors in Bhimvaram, Nellore, Visakhapatnam and Singarayakonda are lowering prices because of the huge qualities of vannamei that are arriving at their plants from the emergency harvests.  Prices are likely to drop even more as farmers harvest even more shrimp to avoid huge losses.


Source: (an online, subscription-based, fisheries news service).  Editor and Publisher, John Sackton (phone 1-781-861-1441, email  Heavy Rains Result in Widespread Shrimp Kill Across India’s Andhra Pradesh Region.  Michael Ramsingh (phone 1-732-240-5330, email  July 6, 2015.


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