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For Pacific White Shrimp, Gender Matters When Competing For Food

Date:
December 18, 2006
Source:
Blackwell Publishing Ltd.
Summary:
A new study in Journal of the World Aquaculture Society suggests that, while larger shrimp consistently win over smaller shrimp of the same gender when competing for food, male shrimp will almost always beat female shrimp -- even though adult males of the species are typically much smaller than the adult females of the same age.

A new study in Journal of the World Aquaculture Society suggests that, while larger shrimp consistently win over smaller shrimp of the same gender when competing for food, male shrimp will almost always beat female shrimp – even though adult males of the species are typically much smaller than the adult females of the same age.

“Both size and gender are important factors in acquiring food,” says study author Dustin Moss, “but when you pit male against female, gender becomes more important.” Moss says this supports the theory that female shrimp aren’t larger because they eat more food, but because they are more efficient at using what they get.

Currently, over 50% of the world’s shrimp supply comes from farming. As the industry tries to meet the growing demand for shrimp and shrimp-based products, identifying shrimp that grow more efficiently will be an important tool to maximizing production.

Dustin Moss is responsible for the technical management of a selective breeding program for Pacific white shrimp at the Oceanic Institute in Waimanalo, Hawaii.


Story Source:

The above story is based on materials provided by Blackwell Publishing Ltd.. Note: Materials may be edited for content and length.


Cite This Page:

Blackwell Publishing Ltd.. "For Pacific White Shrimp, Gender Matters When Competing For Food." ScienceDaily. ScienceDaily, 18 December 2006. <www.sciencedaily.com/releases/2006/12/061212213426.htm>.
Blackwell Publishing Ltd.. (2006, December 18). For Pacific White Shrimp, Gender Matters When Competing For Food. ScienceDaily. Retrieved July 29, 2014 from www.sciencedaily.com/releases/2006/12/061212213426.htm
Blackwell Publishing Ltd.. "For Pacific White Shrimp, Gender Matters When Competing For Food." ScienceDaily. www.sciencedaily.com/releases/2006/12/061212213426.htm (accessed July 29, 2014).

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