Table 1 Cut-off values for categorization of independent variables: (A) median of sampled farms; (B) median of the total beef farms population in both provinces
From: Prevalence and spatial distribution of bovine brucellosis in San Luis and La Pampa, Argentina
Independent variable | Cut-off (A) | Cut-off (B) |
|---|---|---|
Farm surface (Has) | 500 | 300 |
Bovine density (animals/Has) | 0.5 | 0.25 |
Calf/cow ratio | 0.5 | 0.36 |
Number of cows per farm | 600 | 85 |
Number of heifers per farm | 50 | 23 |
Number of cows and heifers shipped to and from the farm during the previous year | 50 | 25 |
Number of farms shipping cattle to/from another farm during the previous year | 10 | 15 |