Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of Chinese local pig breeds included in this study. Large‐sized (northern) breeds are abbreviated in red, small‐sized (southern) breeds are abbreviated in dark green, and DHB is abbreviated in light green. The geographical locations of pig breeds were retrieved from Yang et al. (2017)
