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Table 2 The effect of herd paratuberculosis sero-status (positive, negative or non-negative) on milk, fat and protein yield, somatic cell count score (SCCS) and calving interval [mean (95% CI)]

From: Paratuberculosis sero-status and milk production, SCC and calving interval in Irish dairy herds

Variables Positive Non-negative Negative F-value Adjusted R2 P-value
Milk (kg) 6981.44 (6594-7369) 6928.00 (6594-7369) 6601.85 (6408-6795) 1.995 0.447 0.138
Fat (kg) 242.20 (231-253) 238.50 (226-251) 238.03 (232-244) 0.213 0.7 0.809
Protein (kg) 222.09 (216-228) 220.79 (214-228) 215.75 (213-219) 2.031 0.871 0.133
SCCS (score) 3.26 (2.7-3.8) 3.38 (2.7-4.0) 2.76 (2.5-3.0) 2.469 0.021 0.087
Calving interval (day) 386.42 (368-405) 391.63 (364-419) 381.67 (372-391) 0.696 0.063 0.5