Table 2.

Milk solids production, age and days in milk for cows which underwent screening for MAP infection

Season	2013–14			2014–15			p-value
Variable (Centile)	10th	50th	90th	10th	50th	90th
Age (Years)	3	5	8	3	5	8	0.465a
Days in Milk	215	258	268	219	255	267	< 0.001a
Milk Solids (kg/cow)	307	433	552	337	480	590	< 0.001a
ISCC (cells/mL)	31 k	87 k	400 k	25 k	53 k	197 k	< 0.001a
Proportion Friesian	0.50	0.75	1.00	0.50	0.75	1.00	0.860a
Cows in milk	1122			1069
ELISA Status	Number (Proportion)			Number (Proportion)
Not Detected	825 (0.74)			961 (0.90)			< 0.001b
Low	157 (0.14)			39 (0.04)			< 0.001b
Moderate	63 (0.06)			27 (0.03)			< 0.001b
High	77 (0.07)			42 (0.04)			0.002b
Total	1122			1069
fPCR Status of ELISA positive animals
Not Detected	235 (0.79)			80(0.74)			0.557b
Moderate	32 (0.11)			11 (0.10)			0.865b
High	30 (0.10)			17 (0.16)			0.351b
Total	297			108

^aWilcoxon Rank Sum

^bχ² test with Holme-Bonferonni correction