International Scholarly Research Notices

Research Article

Response of Fumaric Acid Addition on Methanogenesis, Rumen Fermentation, and Dry Matter Degradability in Diets Containing Wheat Straw and Sorghum or Berseem as Roughage Source

Table 2

Supplementation effect of fumaric acid on digestibility in sorghum containing diets.


Parameters
Sorghum-containing diets	Dose (mM)	pH	DDM (mg)	PF (mg TDMD/mL gas)	MBM (mg)	CH₄ (mL/gm DM incubated)	CH₄ (mM/g DM)	NH₃-N (mg/100 mL)	Protozoa (×10⁴mL⁻¹)

HFD (80R : 20C)	0	7.13	133.00	4.07	59.50	39.07	3.88	19.13	2.50
	5	7.19	135.33	4.59	68.96	33.32	3.31	21.47	1.50
	10	7.13	133.33	4.00	58.33	30.62	3.05	16.80	1.25
	15	7.15	118.00	4.00	51.63	27.26	2.71	20.07	1.25

MFD (50R : 50C)	0	7.14	150.00	3.80	61.13	45.68	4.55	24.27	1.63
	5	7.19	148.67	4.21	69.17	38.72	3.85	20.07	1.75
	10	7.24	148.33	4.03	65.46	34.86	3.47	26.13	1.75
	15	7.15	139.33	3.89	58.71	33.46	3.33	20.07	0.75

LFD (20R : 80C)	0	7.21	157.67	3.73	62.42	49.72	4.94	27.53	0.75
	5	7.16	158.00	3.97	68.38	42.77	4.25	24.27	0.50
	10	7.15	159.00	3.91	67.50	37.83	3.76	22.40	1.00
	15	7.14	156.33	4.15	71.58	35.66	3.55	28.00	1.50

SEM	Diets (D)	NS	1.55	0.04	1.29	0.33	0.03	1.09	NS
	Treatments (T)	NS	1.79	0.05	1.49	0.39	0.04	NS	NS
	D × T	NS	NS	0.09	2.59	NS	NS	NS	NS

HFD: high-fiber diet; MFD: medium-fiber diet; LFD: low-fiber diet; R: roughage; C: concentrate; DDM: digestible dry matter (mg); PF: partition factor (mg TDMD/mL gas); MBM: microbial biomass (mg); SEM: standard error of means.