Table 9.

Results of the final multivariate model for super-shedding in a cohort of 52 dairy heifers. This GLMM included all significant fixed effects with animal as a random effect. Rainfall was measured as the number of days in the preceding 7 days in which rainfall ⩾10 mm was recorded

	P	Level	Probability
Hide contamination	0·002	1	1·81
		2	1·06
		⩾3	5·36
Faecal consistency	0·023	1	4·32
		2	0·52
		⩾3	4·56
Rainfall >10 mm	<0·001	0	0·64
		1	3·22
		2	4·93