The beef herd has declined by more so far this year than in the previous 35 years, according to an agricultural economist at Oklahoma State University.
National cow slaughter has increased by 14 per cent.
In Oklahoma it’s because of severe drought that has driven ranchers to sell cattle.
Auction-house volumes doubled and cull cow prices plunged from $89 to $69 hundredweight.
Calves are being weaned early and cattle on pasture are going to market at lighter weights.