Effects of urea plus nitrate pretreated rice straw and corn oil supplementation on fiber digestibility, nitrogen balance, rumen fermentation, microbiota and methane emissions in goats

Table 5 Effect of urea plus nitrate pretreated rice straw (UN) and combination of UN and corn oil supplementation (UNCO) on selected groups of microorganisms (log₁₀ copies/g DM rumen contents) in the rumen of goats

Items	Treatment			SEM	P - value
Items	Control	UN	UNCO	SEM	P - value
Protozoa	10.6^b	11.0^a	10.4^b	0.42	< 0.001
Fungi	10.4	10.5	10.7	0.14	0.13
Bacteria	13.7	13.8	13.6	0.10	0.36
Methanogens	12.0^b	12.4^a	12.1^b	0.08	< 0.001
Selected groups of bacteria
Fibrobacter succinogenes	10.9	11.1	10.9	0.13	0.13
Ruminococcus albus	9.98^b	10.3^a	10.1^ab	0.13	0.047
Ruminococcus flavefaciens	10.2	10.1	10.1	0.10	0.34
Selenomonas ruminantium	12.1^b	12.5^a	12.1^b	0.09	< 0.001

^a-bMeans with different superscripts within a row are significantly different (P ≤ 0.05)

ISSN: 2049-1891