Journal of Animal Science and Biotechnology

Table 5 Effects of supplemental xylanase and xylooligosaccharides on the production of cecal short-chain fatty acids (mmol/kg wet digesta) in broilers on d 42 post-hatch

From: Effects of supplemental xylanase and xylooligosaccharides on production performance and gut health variables of broiler chickens

Treatments	Variables, mmol/kg
Treatments	Acetate	Propionate	Butyrate	Total SCFA
0 BXU xylanase
Xylo-oligo, 0 g/t	50.2	5.4	6.3	64.9
Xylo-oligo, 50 g/t	58.5	4.7	10.0	76.2
Xylo-oligo, 100 g/t	57.2	5.5	10.8	76.8
8000 BXU xylanase
Xylo-oligo, 0 g/t	68.0	6.5	9.7	87.5
Xylo-oligo, 50 g/t	66.6	5.9	8.0	84.1
Xylo-oligo, 100 g/t	71.0	6.0	10.1	90.7
16,000 BXU xylanase
Xylo-oligo, 0 g/t	70.9	5.8	9.7	89.8
Xylo-oligo, 50 g/t	77.0	6.3	11.0	97.8
Xylo-oligo, 100 g/t	80.4	5.3	9.3	98.4
SEM (n = 4)	2.74	0.92	1.18	3.82
Main effect factors
Xylanase
0 BXU xylanase	55.3^c	5.2	9.0	72.6^c
8000 BXU xylanase	68.5^b	6.1	9.3	87.4^b
16,000 BXU xylanase	76.1^a	5.8	10.0	95.3^a
Xylooligosaccharides
Xylo-oligo, 0 g/t	63.0^b	5.9	8.5	80.7^b
Xylo-oligo, 50 g/t	67.4^ab	5.6	9.7	86.0^ab
Xylo-oligo, 100 g/t	69.6^a	5.6	10.1	88.6^a
SEM (n = 12)	1.58	0.53	0.68	2.21
P-value
Xylanase	< 0.001	0.479	0.558	< 0.001
Xylo-oligo	0.022	0.923	0.264	0.052
Xylanase × Xylo-oligo	0.409	0.907	0.102	0.404

0 BXU xylanase = 0 g xylanase/ ton feed, 8,000 BXU xylanase = 50 g xylanase/ ton feed, 16,000 BXU xylanase = 100 g xylanase/ ton feed
Xylo-oligo: xylooligosaccharides, SCFA: short chain fatty acid
^a-cWithin columns in the xylanase and xylooligosaccharides main effects, means without a common superscript differ (P < 0.05)

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ISSN: 2049-1891

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