USDA's NASS published the latest monthly Cattle on Feed report on Friday, March 22nd. As of March 1, head on-feed was 0.7% above a year ago. The number of animals placed during February was 2.2% above 2018's, or up a rather modest 40,000 head.
The full report is available here.
For more graphics, from the main menu bar select "Key Graphs" and then "Cattle/Beef."