it would still be many more months before the supply chain could catch up to the demand. >> john: lana zakng for us from ankeny in central iowa. thanks, lana. >> maurice: still ahead here on the "cbs evening news" tonight, the risk of tornadoes in the south and mudslides in the west and lonnie quinn will be right here to tell us all about them. >> john: and we'll have these stories, as well. >> i'm meg oliver near buffalo new ork. until a couple weeks ago, this is where the last major u.s. airline crash happened, 16 years ago. that long stretch of air travel safety is in part thanks to victims' families. that's tonight's "eye on america." >> i'm scott macfarlane in washington, where there's an unfolding purge of federal watchdogs and inspectors, which critics say could make it less safe to ride on some highways, eat some food, or go to some veterans' hospitals. that's next on the "cbs evening news." ♪ ♪ i lowered my a1c, cv risk, and lost some weight. in studies, the majority of people reached an a1c under 7 and maintained it. i'm under 7. ozempic® lowers the risk of major cardiovascular e

lana zak talked to an iowa farmer who has a waiting list for eggs. >> reporter: outside of des moines it's lavon griffieon's 123-year-old farm. seven generations of the family have raised cows, sheep, and hens. these are the girls. >> these are the girls. >> reporter: on a summer day they will lay 35 to 40 eggs, but in the winter the average is about 17. the decline comes as egg producers are struggling to keep up with demand. eggs are in short supply as bird flu has taken a toll on tens of millions of chickens. some prices have topped $10 a dozen. how has it been with the egg shortage for you? >> we're out about two weeks in advance. >> reporter: this is the egg fridge. lavon put up a bible verse about thou shalt not hoard. and each carton reserved. as egg prices have soared, she's kept the prices the same, $5 a dozen. making their own feed costs down and minimizes outside deliveries reducing the risk of bird flu spreading to their farm. and these eggs have an additional benefit -- >> when you get two dozen eggs, you know they're fresh. we're standing right there waiting. >> reporter