Oregano Extract Added into the Diet of Dairy Heifers Changes Feeding Behavior and Concentrate Intake

Table 4

Treatments significance level (), treatment day interaction (TXD), and means of feeding behavior in the feed bunk.

Behavioral variables	Treatments (g of Oregano extract/heifer/day)					TXD^2	SEM
	0	2.5	5.0	7.5
Latency to approach the fed bunk (min)					<0.01	1.0	0.2
Latency to eat concentrate (min)	0	0	0	0	0.35	0.25	0
Time eating concentrate (min)					<0.0001	1.00	0.2
Time eating silage and hay (min)	63.1	60.5	62.1	61.3	0.60	0.9	2.0

of treatment.
of the interaction treatment day.
SEM = standard error of the mean.
within a row with different superscripts differ significantly at .