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New World Screwworm outbreak in Mexico halts US livestock imports amid threat


Threat to the US livestock – Muha New World Wigwworm (NWS), which has been considered eradicated since 1966 – has re -appeared as a potential danger after the outbreak in Mexico.

The news started closing the cattle, horses and bison imports The southern border, as a secretary of the US Ministry of Agriculture (USDA) Brooke Rollins, announced on Sunday in the X Post.

“Due to the threat of screw earthworms, I announce the suspension of living cattle, horses and buffalo through the US port of the inlet border ports into force,” she wrote in the post.

A dangerous fungus could spread to parts of us, the researchers claim

“The last time this devastating pests attacked America, it took 30 years to recover our cattle. This cannot be repeated.”

What is the screw for the new world?

NWS is a fly that is endemic in Cuba, Haiti, the Dominican Republic and some South American countries, according to the USDA service for the inspection of animals and plants (Aphis).

Close of a new world of screws on a list, a green background.

Cochliomyia Hominivorax, the new World Wigworm fly or a short screw, is a species of a parasitic fly known by the way his larvae (maggoti) eat life’s live tissue. (East)

While the flies themselves are found in forests and other forest areas, they will seek hosts like cattle or horses in pastures and fields, according to the upper source.

The female flies lay eggs in the wound or opening of a living, warm -blooded animal. The eggs are then drizzled into the larvae (maggots) that are buried in the meat, causing potentially deadly damage.

The descriptions are afraid of the main airport: what to know about potential exposure

The screw worms are called the behavior of their donkeys, while killing themselves into meat similar to the screw drives into a tree.

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“Maggoti causes great damage by shooting tissue of the hosts with sharp hooks for the mouth,” the Amphis website states. This can then increase the wound and attract more flies to the laying of eggs.

Larvae with new world earthworms

The female flies lay eggs in the wound or opening of a living, warm -blooded animals, on the upper source. The eggs are then drizzled into the larvae (maggots) that are buried in the meat, causing potentially deadly damage. (Alamy)

In rare cases, the larvae can be fed to humans, centers for the control and prevention of illness.

These infestations can be very painful and can cause serious, potentially fatal damage to their hosts by causing a miazo, parasitic infection of flies larvae in human tissue.

Risk factors and prevention

Great worms are often found in South America and Caribbean.

“People traveling to these areas, spending time among livestock, sleeping outdoors and have an open wound, are at greater risk to become infected with NWS,” CDC says.

“Wounds small like a tick bit of a tick can attract a female to feed.”

People who are immunocompromite, very young or very old or malnourished are also exposed to a higher risk of infection, the above source is mentioned.

Those who have had a recent surgery are also at higher risk, “because the flies will lay eggs on open ulcers,” CDC said.

Potential influence

If another epidemic happened in the US -“pets, livestock, wild animals, and even humans, I can suffer and die of screws,” USDA warned.

Steering wheel that watched the camera

USDA estimates that livestock producers in the southwestern US lost between $ 50 and $ 100 million a year due to NWS in the 1950s and 1960s, until it was successfully eradicated. (East)

USDA estimates that livestock producers in the southwestern US lost between $ 50 and $ 100 million a year due to NWS in the 1950s and 1960s, until it was successfully eradicated.

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“Probably these higher losses in the southwest are due to the larger population of livestock, larger geographical area and/or greater potential to translate NW,” the report said.

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While the USDA eradicated NWS in 1966, either an outbreak of epidemic Contained within Florida KEYS 2016. This only influenced the deer in the vulnerable population, and was eradicated until March 2017 by Aphis.

Greg Wehner contributed to reporting.



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