Model gm0	Model gm1	Whatever
	Estimate	Estimate	Estimate
	(S.E.)	(S.E.)	(S.E.)
(Intercept)	-1.269*	-1.398*	251.405*
	(0.145)	(0.228)	(6.825)
period2	-1.171*	-0.992*	.
	(0.291)	(0.305)
period3	-1.301*	-1.128*	.
	(0.313)	(0.326)
period4	-1.782*	-1.58*	.
	(0.413)	(0.429)
Days	.	.	10.467*
			(1.546)
N	56	56	180
RMSE		1	25.592
Random Effects (σ)
Residual			25.59
herd		0.642
Subject			24.74
Subject:Days			5.92
* p ≤0.05