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February 11, 2015

World

Using Traps to Harvest Shrimp

 

The following exchange took place on The Shrimp List, a bulletin board for the shrimp farming industry.

 

Ramon Macaraig (monmac52@yahoo.com): We partially harvest shrimp at 8 grams to keep our biomass below 8 metric tons per hectare.  We use shrimp traps, rather than drag nets or cast nets, so that we don’t stir up the bottom sediments.

 

Jimmy Maneckshaw (j.n.maneckshaw@gmail.com): Can you give us more information about the shrimp traps?

 

Kurt Servin (kurt_servin@yahoo.com.mx): I believe the use traps rather than dragging a net is a great idea!

 

Ramon Macaraig (monmac52@yahoo.com): Kurt, Jimmy, the following links will take you to pictures of inexpensive shrimp traps on Google, ebay and Alibaba.  A number of designs are available.  Just make sure that the model has a tongue that covers the side of the dike through to the pond bottom.

 

Jimmy Maneckshaw (j.n.maneckshaw@gmail.com): One last question, how many tons per hour do these traps harvest?

 

Ramon Macaraig (monmac52@yahoo.com): Jimmy, one man can use traps to harvest 40-50kg every 30 minutes.  With a whole bunch of traps, 1 metric ton can be trapped in 2-4 hours from a pond with a shrimp biomass of 8mt/ha.  Traps can also be used for small daily harvest of live shrimp for restaurants.

 

Source: The Shrimp List (a mailing list for shrimp farmers).  Subject: Bloom.  January 3–4, 2015.

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