NAHMS Feedlot Study Phase 1

Description

The National Animal Health Monitoring System (NAHMS) Unit conducts national studies on the health and health management of United States domestic livestock, equine, aquaculture and poultry populations. NAHMS conducted studies on health and management practices on U.S. feedlots.

Detailed Methodology

Sample

The sample is drawn from the National Agricultural Statistics Service’s (NASS) frame, targeting operations with animal feedlots in the study states. NASS’ frame aims to cover all places in the United States with $1,000 or more of agricultural products produced and sold, or normally would have been sold, during the year. The sample size varies by year.

Method of Data Collection

Survey (self- or interviewer-administered)

Frequency of Data Collection

Other (specify): Varies, approximately every 10 years

Reference Date

Other (specify): Varies, typically last year/last 12 months

Number of Cases

Varies by year, appoximately 1,000 - 7,000 records

Number of Variables

Varies by year, approximately 150-400 variables