Researchers who created “family trees” for nearly 10,000 fish found that first-generation, wild-born descendants of hatchery-origin chinook salmon in an Oregon river show improved fitness.
Researchers who created “family trees” for nearly 10,000 fish found that first-generation, wild-born descendants of hatchery-origin chinook salmon in an Oregon river show improved fitness.
As researchers increasingly rely on wastewater testing to monitor the spread of bird flu, some are questioning the reliability of the tests being used.
State officials not planning to test wastewater in New Mexico for avian flu yahoo.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from yahoo.com Daily Mail and Mail on Sunday newspapers.