Table 2 Fertility, reproductive failure, Brucella serostatus and age of cows in the Lembang subdistrict
Age group (years) | No. cows in age group (%) | No. pregnant cows (%) | No. cows with a past pregnancy (%) | No. deliveries (mean; range) | No. abortions and death calves (%) | No. cows aborting and or with death calf (%) | No. CFT positive cows (%) |
|---|---|---|---|---|---|---|---|
1-4 | 71 (39.0) | 37 (52.1) | 48 (67.6) | 94 (1.3; 0–6) | 18 (19.1) | 12 (16.9) | 17 (23.9) |
5-8 | 90 (49.5) | 47 (52.2) | 80 (78.9) | 288 (3.2; 0–6) | 72 (25.0) | 44 (48.9)1 | 29 (32.2)2 |
≥9 | 21 (11.5) | 10 (47.6) | 21 (100) | 152 (7.2; 4–10) | 35 (23.0) | 15 (71.4)1 | 9 (42.9)2 |
Total | 182 (100%) | 94 (51.6) | 149 (81.9) | 534 (2.9; 0–10) | 103 (19.3) | 71 (39.0) | 55 (30.2) |