Bird flu is sweeping through egg-laying chickens in the United States at an unprecedented rate. So far in 2025, 30 million layers , as they’re known, have been culled, close to the 38 million killed throughout all of last year: Nearly 10 percent of the country’s annual number of egg-layers have been wiped out. But one of the big questions, as egg prices become a potent political football, is this: Are these shocking infection rates and cull tallies to blame for skyrocketing prices? Or is