The average cost of one pound of ground beef reached a record-high of $5.80 in April, according to numbers from the Bureau of Labor Statistics.

And there are other ways in which crunchy food keeps us healthy, as Danielle explains to BBC World Service's The Food Chain. When we put food in our mouths, we need to know it's safe. A loud crunch ...

Beef cows sold to 394p, 600kg at £2364 and Friesian cows to 290p, 790kg at £2291. Beef heifers sold to 424p, 700kg at £2968.