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September 25, 2014


Correction—Item Removed


On September 15, 2014, I posted the following item to my webpage about a shrimp farm in central Java.  I removed that item on September 25, 2014, because an email (below the item) from registered readers that said it was full of mistakes.


Indiawan Praset Yo Huda is the production manager of a shrimp (Penaeus vannamei) farm on the island of Java.  He has twenty, sixty-square-meter ponds and can get up to three crops a year.  Each crop is roughly seven tons, so the farm produces about 400 tons of shrimp a year.  He gets his broodstock from CP Foods.  He pumps water from the sea and mixes it with well water to achieve a salinity of five to seven parts per thousand.


Shrimp are initially kept in nursery tanks for 6-8 days, after which they are transferred to growout ponds for 90-100 days.


The farm has two stand-by generators to power its aerators in case the main power supply fails.  Although diseases are quite rare, antibiotics are used when the shrimp get sick.


The harvested shrimp are packed in ice and shipped to Jakarta for freezing and distribution.


The farm has 63 employees, which may seem high by western standards, however there is a great deal of manual work to be carried out on the farm and feeding is by hand, six times a day, at 1, 5 and 9 a.m. and 1, 5 and 9 p.m.  Feed is bought in monthly from a Samsung subsidiary on the Island of Sumatra that can produce 360,000 metric tons of feed annually.  In 2011, the farm’s feed conversion rate was 1.35:1, and in 2012, it was 1.25:1.


Source: The FishSite.  Investigating Shrimp Production in Central Java.  September 1, 2014.


Dear Bob


We read your article, “Indonesia–A Shrimp Farm in Central Java”.  As part of CP Prima’s  staff, we would like to share my concern about the validity of the claims made in the article, specifically on the following points:


1. As far as we know, there is no CP Foods broodstock imported into Indonesia.  By CP Foods, we mean the company based in Thailand.   Even if the person who submitted the article meant the broodstock is from CP Prima, this is also very unlikely.  To date, CP Prima always bundles the sale of shrimp feed and shrimp fry to farmers, meaning the feed from CP Prima and fry from CP Prima.  In the article, it was mentioned the farmer used feed from a Samsung subsidiary (we assume Cheil Jedang), so it is not likely the farmer would get the fry from CP Prima.


2. With regard to the farm performance data claimed in the article, there is something not right about the parameters and numbers that were mentioned.  For the farmer to achieve such performance with a pond size of 60 square meters, a pond depth of one meter and survival rate of 75%, he would have had to stock postlarvae at a density of close to 9,000 per square meter.  That’s impossible to  believe.


3. Additionally, as a leading aquaculture company in Indonesia, CP Prima always encourages good aquaculture practice and discourages the use of antibiotics.


Source: Email to Shrimp News International from Alfian Lim ( and Dr. Rajeev Kumar Jha, CP Prima, Indonesia.  September 25, 2014.

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