. 2018 Apr 2;96(3):1171–1180. doi: 10.1093/jas/skx030

Table 3.

Diet and nutrient digestibility of drylot heifers receiving corn stalk-based diets with or without 150 mg/d of monensin at a maintenance level of intake

Item	Day of study			SEM^e	Probability^a
Item	14^b	42^c	161^d	SEM^e	Treatment	Day
DM intake, g/d
Control	6,010^a	5,302^b	8,219^c	170.9	0.94	<0.01
Monensin	5,945^a	5,585^b	8,039^c	161.2
DM digestibility, %
Control	42.7	41.1	44.4	2.16	0.52	0.77
Monensin	44.8	43.8	43.0	2.02
OM digestibility, %
Control	49.4^a	48.6^a	54.8^b	1.88	0.75	0.04
Monensin	50.4^a	50.9^a	53.0^b	1.76
NDF digestibility, %
Control	44.4^a	36.3^b	49.2^b	2.61	0.67	<0.01
Monensin	44.7^a	39.8^b	47.9^b	2.44
ADF digestibility, %
Control	36.3^a	25.7^b	43.5^a	3.69	0.79	<0.01
Monensin	36.9^a	29.9^b	40.9^a	3.45

^aNo treatment × day interactions present (P ≥ 0.17).

^b,c,dCorresponds with 71, 94, and 213 d of pregnancy, respectively.

^ePooled SE of least squares means (control n = 7; monensin n = 8).

^a,b,cWithin a row, means across days without a common superscript differ (P ≤ 0.05).