. 2020 May 9;98(5):skaa107. doi: 10.1093/jas/skaa107

Table 5.

Effects of source and level of NDF from roughage on feed intake and ingestive behavior

	Experimental diets1
Item	10CS	20CS	SCB	SC	SH	LOCH	SEM
DMI, kg/d	7.93^bc	9.20^a	6.97^c	8.60^ab	8.83^ab	9.52^a	0.32
DMI, % of BW	1.82^bc	2.10^a	1.60^c	1.94^ab	2.00^ab	2.20^a	0.10
Eating, min/d	196.7	223.3	194.2	176.6	188.7	188.3	16.5
Eating, min/kg of DM	25.0	24.5	30.0	20.4	21.4	19.8	2.71
Eating, min/kg of aNDF	141.0^a	95.2^ab	112.1^ab	79.7^b	81.2^b	76.6^b	12.5
Ruminating, min/d	230.8^c	407.5^ab	453.3^a	457.5^a	240.0^c	371.0^b	20.0
Ruminating, min/kg of DM	29.2^d	44.5^bc	67.3^a	53.4^b	26.6^d	39.1^cd	3.00
Ruminating, min/kg of aNDF	164.7^bc	173.0^bc	273.4^a	209.0^b	102.0^d	151.6^cd	6.91
Chewing, min/d	427.5^c	631.0^ab	648.0^a	634.1^a	428.0^c	576.0^b	18.7
Chewing, min/kg of DM	54.3^cd	69.0^bc	96.6^a	73.8^b	48.4^d	60.6^bcd	4.63
Chewing, min/kg of aNDF	305.8^b	268.0^b	393.8^a	288.4^b	184.0^c	235.0^bc	19.72
Duration of first meal, min	39.2	35.0	34.4	30.0	39.7	36.6	5.1
Number of meals/d	11.8	12.0	10.0	11.3	10.1	11.8	1.2
Duration of each meal, min	19.4	19.1	18.7	15.8	18.7	16.1	1.8
Drinking water, min/d	24.2	20.3	21.1	24.1	22.2	25.0	4.1
Resting standing, min/d	329.1	253.3	234.0	222.0	254.5	249.1	41.0
Resting lying, min/d	664.5^ab	500.0^b	566.2^ab	567.3^ab	733.0^a	594.1^ab	46.4

¹10CS, 10% of aNDF from corn silage; 20CS, 20% of aNDF from corn silage; SCB, 10CS + 10% of aNDF from sugarcane bagasse; SC, 10CS + 10% of aNDF from sugarcane; SH, 10CS + 10% of aNDF from soybean hulls; LOCH, 10CS + 10% of aNDF from low oil cottonseed hulls.

^a-dMeans within a row with different superscripts differ (P < 0.05).