The state's Wildlife and Fish Service says a bacteria likely carried by migrating birds will result in the euthanizing of 350,000 fish to stop the spread of disease.
Those facilities usually provide fish for stocking waterways in the Inland Deserts Region, which includes Riverside and San Bernardino counties.
Hatchery Program Manager Ken Kundargi says they're still trying to figure out the source of the naturally occurring bacteria,“One hypothesis, which is unproven ... we can't determine the source of it ... but it's quite possible that it was transported by birds that are migrating up the West Coast, and the virus has been cultured and detected in bird droppings in the vicinity of the hatcheries.
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