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.
Sampling scheme: two-step random sampling for sampling of herds and individuals by production type.
*Proportional to the ratio of the total number of herds in the district and the total number of herds in both district.
**Proportional to the number of herds from each production type in the district mentioned.
The figure presents the two stages of sampling used for data collection: sampling at the herd-level and sampling at the individual level.
