From: Oriental theileriosis in dairy cows causes a significant milk production loss
Variable | Milk volume at 100 days of lactation | Milk volume at 305 days of lactation | ||||||
---|---|---|---|---|---|---|---|---|
Group ( n)a | Mean differenceb(Standard error) | 95% Confidence intervalb | P-valueb | Group ( n)a | Mean differenceb(Standard error) | 95% Confidence intervalb | P-valueb | |
Clinical and molecular test results | 1 (16) | -288 (90.4) | -465.7, -111.2 | 0.001 | 1 (13) | -624 (216.9) | -1048.7, –198.6 | 0.004 |
2 (14) | -153 (95.9) | -341.0, 35.0 | 0.11 | 2 (14) | -115 (208.6) | -523.7, 293.9 | 0.58 | |
3 (244) | 11 (30.7) | -48.9, 71.4 | 0.72 | 3 (221) | 82 (69.7) | -55.0, 218.1 | 0.24 | |
4 (309) | Reference group | 4 (289) | Reference group | |||||
Age (years) | ≥ 6 (184) | 595 (45.1) | 506.4, 683.3 | <0.001 | ≥ 6 (158) | 1160 (101.3) | 961.6, 1358.6 | <0.001 |
3-5 (302) | 484 (41.6) | 402.3, 565.4 | <0.001 | 3-5 (283) | 867 (91.3) | 688.0, 1046.0 | <0.001 | |
≤ 2 (97) | Reference group | ≤ 2 (96) | Reference group |