. 2019 Oct 11;97(11):4668–4681. doi: 10.1093/jas/skz317

Table 2.

Ingredients and chemical composition of the experimental diets tested in vitro

WDGS Content, %/ Ingredient, % of diet (as-fed)	Diet¹, %
	– PS					+ PS
	0	10	20	30	40	0	10	20	30	40
Steam-flaked corn	92.5	82.5	72.5	62.5	52.5	77.5	67.5	57.5	47.5	37.5
WDGS	0	10	20	30	40	0	10	20	30	40
Cotton-seed meal	7.0	7.0	7.0	7.0	7.0	7.0	7.0	7.0	7.0	7.0
Peanut skin (PS)	0.0	0.0	0.0	0.0	0.0	15.0	15.0	15.0	15.0	15.0
Urea	0.5	0.5	0.5	0.5	0.5	0.5	0.5	0.5	0.5	0.5
Chemical composition2, % of DM
DM, %	87.5	87.6	87.5	87.4	87.9	87.3	87.8	87.8	87.5	87.7
CP, %	14.2^d	18.4^c	20.6^b	21.5^b	23.9^a	16.3^b	19.8^b	21.4^ab	23.9^a	25.4^a
Soluble CP, % CP	23.0	22.5	19.5	21.0	20.5	20.5^a	20.0^ab	18.0^b	14.0^b	16.0^b
ADF, %	7.6	6.4	7.1	8.5	10.7	6.0^b	7.9^b	7.3^b	8.5^ab	10.6^a
NDF, %	9.6^c	14.1^c	18.7^b	15.9^b	20.7^a	12.6^b	15.9^b	14.9^b	20.5^ab	24.1^a
TDN, %	81.9	81.8	77.9	79.0	77.1	80.5	79.0	79.5	77.0	75.2
CT³, %	0.07	0.08	0.08	0.08	0.08	1.04	1.04	1.05	1.05	1.05
Ca, %	0.02^c	0.03^c	0.05^c	0.22^b	0.48^a	0.06^b	0.42^a	0.42^a	0.45^a	0.46^a
P, %	0.35^c	0.47^c	0.48^c	1.35b	2.43^a	0.33^b	2.18^a	2.25^a	2.20^a	2.32^a
Mg, %	0.14^b	0.18^b	0.20^b	0.24^ab	0.35^a	0.15^b	0.29^a	0.31^a	0.32^a	0.33^a
S, %	0.16^c	0.23^b	0.24^b	0.26^b	0.36^a	0.17^b	0.28^b	0.31^ab	0.34^a	0.38^a

¹Diet without (– peanut skin [PS]) or with peanut skin (+ PS) coupled with varying concentrations (0%–40% of as-fed) of wet distiller’s grains plus solubles (WDGS).

²CP, crude protein; ADF, acid detergent fiber; NDF, neutral detergent fiber; CT, condensed tannins.

³CT was predicted from Table 1.

^a-dMeans within a row with different letters differ at P < 0.05.