Table 8. Mean ADF concentration (g/kg DM) in 2016 and 2017

	2016					2017
	Cut 1	Cut 2	Cut 3	Cut 4	Average	Cut1	Cut 2	Cut 3	Cut 4	Cut 5	Average
Variety
RA	310^b	327^b	339^a	361^a	334^b	322^a	304^b	314^b	318^b	278^b	307^b
A	326^a	346^a	348^a	354^a	344^a	327^a	331^a	329^a	334^a	294^a	323^a
LA	279^c	297^c	307^b	312^b	299^c	272^b	258^c	264^c	274^c	246^c	263^c
Last cut
15-Sep	310^a	330^a	340^a	329^c	327^a	317^a	294^a	298^a	301^b	258^c	294^b
30-Sep	304^a	329^a	332^ab	337^bc	325^ab	294^a	294^a	300^a	305^ab	265^c	292^b
15-Oct	303^a	319^a	324^b	348^ba	323^b	311^a	300^a	308^a	312^ab	274^b	301^a
30-Oct	301^a	318^a	329^ab	356^a	326^a	306^a	301^a	302^a	316^a	293^a	304^a
p-value
Variety	***	***	***	***	***	***	***	***	***	***	***
Last cut	NS	NS	NS	**	NS	NS	NS	NS	NS	***	***
Variety × Last cut	NS	NS	NS	NS	NS	NS	NS	NS	NS	NS	NS

Different letters in the same column are significant at α level of either 0.05 or 0.01.
**Significant at α level of 0.05 and ***Significant at α level of 0.01.
ADF, acid detergent fiber; DM, dry matter; RA, Roundup Ready Tonica alfalfa; A, Gunner conventional alfalfa; LA, low-lignin Hi-Gest 360 alfalfa; NS, not significant.