Table 3.
Determinants | Classification of TB status by tuberculin test |
|||
---|---|---|---|---|
Positive (n = 12), (≥ 4 mm) | Inconclusive (n = 11), (>2 mm and < 4 mm) | Negative (n = 100), (<2 mm) | Total no cattle tested (N = 123) | |
Age category | ||||
1_3 | 3 | 3 | 29 | 35 |
4_6 | 5 | 6 | 42 | 53 |
7_9 | 4 | 2 | 29 | 35 |
Herd_size | ||||
<5 | 2 | 5 | 37 | 44 |
5_10 | 6 | 2 | 26 | 34 |
11_15 | 0 | 2 | 15 | 17 |
>15 | 4 | 2 | 22 | 28 |
Body condition | ||||
Good | 2 | 1 | 10 | 13 |
Medium | 6 | 6 | 69 | 81 |
Poor | 4 | 4 | 21 | 29 |
Husbandry practice | ||||
Intensive or stall fed | 10 | 9 | 84 | 103 |
Semi-intensive or mixed | 2 | 2 | 16 | 20 |
1Breed | ||||
Holstein cross | 2 | 1 | 23 | 26 |
Jersey cross | 8 | 6 | 62 | 76 |
Local | 2 | 4 | 15 | 21 |
Coughing history | ||||
Yes | 7 | 5 | 31 | 43 |
No | 5 | 6 | 69 | 80 |
Animal Origin | ||||
Home breed | 4 | 4 | 30 | 38 |
Imported | 8 | 7 | 70 | 85 |
Grand Total | 12 | 11 | 100 | 123 |