TABLE 3.

Fermentation quality of ensiled KG.

Item	Treatment	Ensiling days					SEM	P-value
		1	3	7	14	30		D	T	D*T
pH	CK	5.31a	4.91ab	4.78b	4.64bc	4.51cA	0.07	<0.01	<0.01	<0.01
	L	5.24a	4.84ab	4.54b	4.36bc	4.29cB
	CA	4.91a	4.68ab	4.53b	4.44b	4.23cB
	CAL	4.90a	4.75ab	4.54b	4.25bc	3.95cC
Lactic acid (g/kg DW)	CK	22.8c	24.7cB	31.1bB	33.5abB	36.5aB	2.28	<0.01	<0.01	<0.01
	L	24.2c	26.0bcB	29.0bB	32.8abB	36.9aB
	CA	21.1c	24.7cB	28.4bcB	34.4bB	41.1aB
	CAL	27.4d	30.7cdA	37.9cA	50.9bA	63.7aA
Acetic acid (g/kg DW)	CK	5.7c	11.3bc	16.3bA	24.4abA	27.6aA	1.65	<0.01	<0.01	<0.01
	L	5.7c	9.5bc	13.6bAB	20.5abAB	26.5aA
	CA	5.9c	8.9bc	11.9bAB	18.1abAB	22.4aB
	CAL	6.0c	9.6bc	12.1bAB	18.8abAB	23.5aB
Propionic acid (g/kg DW)	CK	0.93A	0.88A	1.02A	0.85A	0.84A	0.05	<0.01	<0.01	<0.01
	L	1.15A	1.07A	1.02A	1.13A	0.92A
	CA	0.82A	0.89A	1.01A	0.96A	0.70A
	CAL	0.58B	0.62B	0.54B	0.48B	0.45B
Butyric acid (g/kg DW)	CK	ND	ND	ND	ND	ND	–	–	–	–
	L	ND	ND	ND	ND	ND
	CA	ND	ND	ND	ND	ND
	CAL	ND	ND	ND	ND	ND
Ammonia-N (g/kg DW)	CK	24.2c	28.5bcA	33.3bA	41.8abA	44.6aA	1.66	<0.01	<0.01	<0.01
	L	20.2b	24.6bAB	30.2abAB	32.6abB	36.5aB
	CA	18.6b	22.4abAB	25.4abAB	28.7aB	30.9aC
	CAL	18.1b	20.8abAB	21.5abB	22.6aBC	23.2aD

CK, control; L, Lactobacillus plantarum; CA, Citric acid; CAL, Citric acid + Lactobacillus plantarum; DM, dry matter; ND, not detected; “–”, default. D, ensiling days; T, treatment; D*T, interaction of ensiling day and treatment; SEM, standard error of means; Means with different letters in the same row (a-d) or column (A-D) differ (P < 0.05).