From: Oriental theileriosis in dairy cows causes a significant milk production loss
Variable | Milk fat at 100 days of lactation | Milk fat 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) | -16.8 (4.2) | -25.0, –8.6 | <0.001 | 1 (13) | -42.9 (10.4) | -63.2, –22.6 | <0.001 |
2 (14) | -13.6 (4.4) | -22.3, -4.9 | 0.002 | 2 (14) | -21.2 (10.0) | -40.7, –1.7 | 0.033 | |
3 (244) | 1.0 (1.4) | -1.8, 3.7 | 0.50 | 3 (221) | 2.2 (3.3) | -4.4, 8.7 | 0.51 | |
4 (309) | Reference group | 4 (289) | Reference group | |||||
Age (years) | ≥ 6 (184) | 23.0 (2.1) | 18.9, 27.1 | <0.001 | ≥ 6 (158) | 49.3 (4.8) | 39.8, 58.8 | <0.001 |
3-5 (302) | 17.8 (1.9) | 14.0, 21.6 | <0.001 | 3-5 (283) | 37.6 (4.4) | 29.0, 46.1 | <0.001 | |
≤ 2 (97) | Reference group | ≤ 2 (96) | Reference group |