Columbia subject headings:
Animal industry--United States--Statistics--Periodicals.
Meat animals--United States--Statistics--Periodicals.
Meat industry and trade--United States--Statistics--Periodicals.
Harvard subject headings:
Animal industry--United States--Statistics--Periodicals
Meat animals--United States--Statistics--Periodicals.
Meat industry and trade--United States--Statistics--Periodicals
Princeton subject headings: