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How the shrimp fat can save lives



  River shrimp, like this Macrobrachie shrimp grown in a local hatchery in the Senegal River Basin, can consume a dozen or more snails a day. A team led by the University of California, Berkeley, has shown how communities can harness the spicy appetite of freshwater shrimps for snails to fight the parasite that causes schistosomosis while still earning money for food. Sincerely: Hilary Duff of the Planetary Health Union
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<p>  Before crustaceans, like crabs, shrimps and shrimps, land on our plates for dinner, they must first be satisfied – and it turns out they like the freshwater snails that transmit the parasite that causes the schistosomy, the second most devastating parasite disease in the world after malaria.<br />
New research conducted by the University of California, Berkeley, provides a road map for entrepreneurs to harness the insatiable appetite of freshwater shrimps for snails to reduce the transmission of these parasites, also known as "blood" while still earning the sale of delicious animals as food </p>
<p>  The study, which appears in the journal <i> Nature Sustainability </i> shows how small farms of freshwater shrimps – also known as aquaculture – can be baked livshi communities in developing and emerging economies, where schistosomiasis is common. </p>
<p>  "River shrimp are common aquaculture products around the world, and we know that these organisms are insatiable predators of snails that transmit schistosomiasis," said Christopher Hoover, a doctor at Berkeley University. a student at the School of Public Health of the Environmental Health Sciences Division who runs the study. "What is unclear is whether we can marry the economic benefits of shrimp-related aquaculture with shrimp disease control activity." </p>
<p>  Aquaculture is growing rapidly around the world and has the potential to ease the increasing pressure on wildlife fishing. Freshwater shrimps are now being produced in aquaculture systems around the world, from Louisiana to Thailand to Senegal and beyond. </p>
<p>  In these aquaculture systems, young shrimps are first grown in hatcheries, then stored in waterways where shiatsuomas are delivered and eventually harvested once they reach market size. When shrimps grow, they feed on snails that carry the schistosomal parasite. </p><div><script async src=

The parasite is incapable of infecting the shrimp itself, and the shiitosomosis is not transmitted by swallowing, so the cultivation, harvesting and consumption of shrimp can not pass through the disease.

Researchers have used economic and epidemiological modeling to determine the optimal points for storing and harvesting shrimps, with the common goals of reducing shrimp delivery and generating revenue from the sale of harvested shrimp.

"Our results show that there are many useful configurations of shrimp aquaculture systems that minimize trade-offs between generating shrimp-gathering revenue and reducing shy-graft transmission, Hoover said." We can design systems to maximize profits, while having a significant impact on disease reduction, which can help lift the population out of poverty in emerging and emerging economies. "

Shiatsu such as "snail fever," affects about 250 million people a year and kills 200,000 people, and the disease spreads primarily when people come in contact with contaminated water.While medicines are available to treat the disease they are not enough in some Because the drug treatment deals only with the human component of the parasite transmission cycle, people remain vulnerable to re-infection, even shortly after treatment.

The model has shown that in order to reduce parasite loads, the introduction of local shrimp in infected waterways is comparable to the standard approach for large-scale application of schistosomal-fighting drugs and that it can reduce parasitic load to almost zero after 10 years.

Shrimps can also have environmental benefits, including replacing chemical pesticides for controlling snail populations and restoring local biodiversity in areas where local shrimp species are destroyed by dams. Chris's research contributes to a new tool for our global efforts to combat schistosomiasis id Justin Remais, head of the Environmental Health Sciences Department and co-senior author of the study. "Poverty and schistosomas are internally linked, and transmission of the parasite is known to inhibit growth and cognitive development in children, and prevents the work of adults by increasing poverty by channeling the transmission of the parasite while supporting a local production system. where the economic benefits accrue to the community, this approach has great potential to complement ongoing disease control campaigns, which usually rely solely on drug treatment.


Researchers find a solution for the spread of lethal disease


More Information:
Christopher M. Hoover et al., Modeling effects of shrimp aquaculture on poverty alleviation and control of schistosomosis, Nature Sustainability (2019). DOI: 10.1038 / s41893-019-0301-7

Provided by
University of California – Berkeley

References :
How Fry Shrimp Can Save Life (2019, July 23)
drawn up on 23 July 2019
from https://phys.org/news/2019-07-fat-prawns.html

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