Discrepancies In Data Are Due To The Rounding Off Of The Last Place. Data For 1934 Include 3,334,000 Cattle Slaughtered For Government Drought Relief; Also 187,000 In 1935 And 4,000 In 1936. Source: U.S. Department Of Agriculuture, Bureau Of Agricultural Economics, Livestock, Meats, And Wool Market Statistics, And Related Data, 1938, P. 19.
This NBER data series a01042a appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: a01042a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Cattle Slaughtered Under Federal Inspection for United States [A0142AUSA173NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/A0142AUSA173NNBR, February 12, 2016.