Sulfur, fresh cassava root and urea independently enhanced gas production, ruminal characteristics and in vitro degradability

Table 3 Effect of elemental sulfur (S), urea (U) and fresh cassava root (FCR) on rumen pH, ammonia-nitrogen (NH₃-N), hydrogen cyanide (HCN) and protozoal number

Treatments	S (%)	U (%)	FCR (mg)	pH	NH₃-N (mg%)	HCN (mg/L)	Protozoa (×10⁵ cell/mL)
T1	0	2	0	6.51	21.1	0.0053	5.5
T2	0	4	0	6.42	21.8	0.0051	5.6
T3	1	2	0	6.48	20.8	0.0050	5.0
T4	1	4	0	6.54	21.9	0.0049	5.4
T5	2	2	0	6.53	20.7	0.0048	4.8
T6	2	4	0	6.55	21.6	0.0048	5.0
T7	0	2	200	6.31	21.3	0.0058	5.2
T8	0	4	200	6.36	22.0	0.0059	5.7
T9	1	2	200	6.28	20.6	0.0055	5.0
T10	1	4	200	6.36	21.6	0.0054	4.9
T11	2	2	200	6.30	20.7	0.0047	5.3
T12	2	4	200	6.32	21.7	0.0046	5.6
T13	0	2	300	6.30	20.6	0.0074	5.2
T14	0	4	300	6.34	22.1	0.0076	5.4
T15	1	2	300	6.28	21.1	0.0057	4.8
T16	1	4	300	6.35	21.5	0.0056	5.3
T17	2	2	300	6.31	21.1	0.0049	5.4
T18	2	4	300	6.34	21.8	0.0048	5.5
T19	0	2	400	6.15	20.1	0.0088	5.5
T20	0	4	400	6.22	21.8	0.0091	5.3
T21	1	2	400	6.18	20.7	0.0076	5.5
T22	1	4	400	6.22	22	0.0079	5.8
T23	2	2	400	6.19	21.1	0.0075	5.4
T24	2	4	400	6.25	21.6	0.0076	5.5
SEM				0.12	0.09	0.001	0.27
S (%)
0				6.32	21.41	0.006^a	5.42
1				6.33	21.28	0.005^b	5.31
2				6.35	21.28	0.005^b	5.21
P-Value				0.771	0.080	<0.0001	0.231
U (%)
2				6.31	20.84^b	0.006	5.42
4				6.35	21.81^a	0.006	5.36
P-Value				0.119	<0.0001	0.518	0.189
FCR (mg)
0				6.50^a	21.35	0.004^d	5.21
200				6.32^b	21.33	0.005^c	5.29
300				6.31^b	21.30	0.006^b	5.26
400				6.20^c	21.30	0.008^a	5.50
P-Value				<0.0001	0.397	<0.0001	0.406
Interaction
S*U				0.961	0.002	0.634	0.140
S*FCR				0.632	0.254	<0.0001	0.804
U*FCR				0.036	<0.0001	0.022	0.753
SUFCR				0.213	<0.0001	0.746	0.061

^a,b,c,d means within column showed with different superscript letter accepted significantly different

ISSN: 1746-6148