TABLE 3.

Chewing activity and ambient temperature following feeding 5 kg (as fed basis) of hay or alfalfa–meadow grass cubes

Variables	Hay	SE	Cube	SE	p value
					Feed	Time	Interaction
Overnight summary
Total eating time (min)	280	19.9	213	19.9	0.044	–	–
Total eating time (min/kg feed, as fed basis)	56.0	4.0	42.6	4.0	0.044
Total eating time (min/kg feed DM)	61.1	4.5	49.4	4.5	0.102
Total chews (n)	20,299	1453	15,110	1453	0.037	–	–
Total chews (n/kg feed, as fed basis)	4050	291	3022	291	0.037
Total chews (n/kg feed DM)	4420	332	3510	332	0.088	–	–
Total chews (n/min) a	72.6	1.78	70.6	1.78	0.196	–	–
Hourly data
Eat time (min/h)	25.55	1.70	19.53	1.63	0.011	<0.001	0.650
Chews (n/h)	1844	127	1388	122	0.011	<0.001	0.591
Other activity time (min/h)	34.37	1.70	40.28	1.64	0.013	<0.001	0.634
Drinking time (min/h)	0.11	0.07	0.16	0.07	0.474	0.298	0.237
Drinking gulps (n/h)	1.51	0.92	2.09	0.90	0.512	0.229	0.412
Head activity index	54.57	4.48	51.49	4.42	0.382	<0.001	0.160
Number of activity changes (n/h)	7.08	0.72	9.34	0.69	0.027	0.075	0.781
Ambient temperature (°C)
Average	17.30	0.63	15.43	0.63	0.068	0.090	0.556
Min	16.36	0.61	14.14	0.60	0.024	0.087	0.235
Max	18.32	0.72	16.81	0.71	0.119	0.462	0.485

Abbreviation: SE, standard error.

^a Total chews/total eat time.