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Science News Roundup: China pig breeders go high-tech in self-sufficiency push; French officials to use orcas sounds to guide lost killer whale back to sea and more


Following is a summary of current science news briefs.

China pig breeders go high-tech in self-sufficiency push

Tiny slivers of ear tissue snipped from hours-old piglets offer valuable clues for the team at Best Genetics Group (BGG) as it strives to improve the genetics of China’s hog herd to produce cheaper meat for the world’s top pork consumer. Breeding pigs that have larger litters, reach slaughter weight quicker, and require less feed can make a big difference in a market producing almost 700 million hogs a year.

French officials to use orcas sounds to guide lost killer whale back to sea

A plan has been hatched to guide a killer whale adrift in France’s River Seine back to the sea — using orca sounds, local officials said on Friday. Following a meeting with national and international scientists, including marine mammal specialists, the local prefecture said it would monitor the killer whale from a distance with a drone while emitting orca communications in an attempt to guide it back to the sea.

Archaeologists discover ancient Mayan city on construction site

Archaeologists have uncovered the ruins of an ancient Mayan city filled with palaces, pyramids and plazas on a construction site of what will become an industrial park near Merida, on Mexico’s Yucatan Peninsula. The site, called Xiol, has features of the Mayan Puuc style of architecture, archaeologists said, which is common in the southern Yucatan Peninsula but rare near Merida.

Bacteria with antibiotic resistant genes discovered in Antarctica, scientists say

Bacteria in Antarctica have been discovered with genes that give them natural antibiotic and antimicrobial resistance and have the potential to spread out of the polar regions, according to scientists in Chile. Andres Marcoleta, a researcher from the University of Chile who headed the study in the Science of the Total Environment journal in March, said that these “superpowers” which evolved to resist extreme conditions are contained in mobile DNA fragments that can easily be transferred to other bacteria.

Breakthrough infections may be less contagious; vaccine protection wanes faster in cancer patients

The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that has yet to be certified by peer review. Breakthrough infections may be less contagious

(This story has not been edited by Devdiscourse staff and is auto-generated from a syndicated feed.)



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