Data For 1934 Include Government Relief Slaughter. Beginning January 1947, Slaughter In Hawaii And Virgin Islands Has Been Excluded. Source: Usda, Livestock Market News, The Livestock And Meat Situation (Monthly Release), Livestock, Meats, And Wool Market Statistics.
This NBER data series m01047 appears on the NBER website in Chapter 1 at http://www.nber.org/databases/macrohistory/contents/chapter01.html.
NBER Indicator: m01047
Release: NBER Macrohistory Database
National Bureau of Economic Research, Sheep and Lambs, Slaughtered Under Federal Inspection for United States [M01047USM599NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M01047USM599NNBR, February 8, 2016.