The U.S. Department of Agriculture announced Friday that it will sample the nation's milk supply to test for the H5N1 bird flu virus.| Los Angeles Times
H5N1 bird flu has been discovered in a pig in Oregon, a development that has sparked new concerns among infectious disease experts.| Los Angeles Times
State officials say two dairy workers in the Central Valley have contracted H5N1 bird flu. They say the risk of infection remains low for the general population.| Los Angeles Times
Gov. Gavin Newsom has signed a bill that expands a moratorium on all types of a blood-thinning rat poison that has unintentionally sickened other animals.| Los Angeles Times
For the first time, there's a map of the nation's cattle and hog feeding operations, and it shows Tulare County has more than any county in the country.| Los Angeles Times
The circumstances and positive testing of a raw milk sample in California don't make sense, say experts. Something is amiss.| Los Angeles Times
California health officials reported Tuesday that a child in Alameda County has been infected with bird flu; source unknown.| Los Angeles Times
Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in Oregon.| Los Angeles Times
Federal wildlife officials approved a plan to cull barred owls in order to protect northern spotted owls, but it could be upended by funding cuts and congressional opposition.| Los Angeles Times
Dairies say the USDA relief money helped them sustain operations as bird flu decimated milk production, but critics say the aid perpetuates industrial farming practices that make herds vulnerable to disease.| Los Angeles Times
Unprecedented numbers of gray whales are being spotted in San Francisco Bay, and nobody really knows why. Experts only have educated guesses about the prevalence of porpoises, dolphins and humpback whales too.| Los Angeles Times
Despite assurances from the federal government that bird flu will be eradicated from dairy cows, some experts worry the disease is here to stay.| Los Angeles Times
It's been a doozy of a year for marine mammals, who have been dying in record numbers along the California coast. Volunteer rescue crews are traumatized and fatigued, but refuse to give up.| Los Angeles Times
Scientists have completed the first comprehensive estimate of mountain lions in California, a vital statistic needed to shape puma-friendly land-use decisions and ensure that the predators can find room to roam, mate and find prey.| Los Angeles Times
A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working with infected livestock.| Los Angeles Times
New research and discussions with dairy farmers in the Central Valley suggests H5N1 bird flu is more widespread among people than the reported numbers indicate.| Los Angeles Times
Although California dairy farmers anticipated a bird flu mortality rate of less than 2%, some say between 10% and 15% of infected cattle are dying.| Los Angeles Times
California officials have announced another batch of raw milk from Raw Farm is contaminated with bird flu.| Los Angeles Times
Bird flu virus was detected in a retail sample of raw milk from Fresno-based dairy Raw Farm, California health officials said.| Los Angeles Times
California's Proposition 12, an animal welfare law, is being targeted by the Trump administration in a bid to reduce egg prices.| Los Angeles Times
Farm workers facing possible arrest would likely resist getting tested for bird flu should there be a resurgence this fall, as many anticipate| Los Angeles Times
Poultry producers, disease experts and government officials are now questioning the practice of widespread culling in response to H5N1 bird flu outbreaks.| Los Angeles Times
Their symptoms were mild, and included common "flu-like" respiratory symptoms and conjunctivitis, or pink eye. None of the workers were hospitalized.| Los Angeles Times
What is driving the unprecedented spread of avian flu?| Los Angeles Times