Yeast mannan rich fraction positively influences microbiome uniformity, productivity associated taxa, and lay performance

Leigh, Robert J.; Corrigan, Aoife; Murphy, Richard A.; Taylor-Pickard, Jules; Moran, Colm A.; Walsh, Fiona

doi:10.1186/s42523-024-00295-7

Animal Microbiome

Table 3 Impact of MRF-supplementation on productivity, quality, and feed utility consistency

From: Yeast mannan rich fraction positively influences microbiome uniformity, productivity associated taxa, and lay performance

	Factor	MRF-supplemented			Control			Statistical observations
	Factor	μ	σ²	I	μ	σ²	I	ϙ	W	P-value	Observed effect
Bird weight	Week 0 (kg/pen)	7.278	0.100	0.01	7.304	0.109	0.015	0.915	0.053	0.819	Lower with MRF
	Week 24 (kg/pen)	8.010	0.155	0.02	8.003	0.161	0.020	0.968	0.012	0.912	Lower with MRF
	D_weight (kg/pen)	0.723	0.081	0.11	0.699	0.070	0.009	1.123	0.095	0.759	Higher with MRF
Feed utility	Feed conversion efficiency	0.472	3.11e⁻⁰⁴	6.59e⁻⁰⁴	0.442	7.58e⁻⁰⁴	0.002	0.384	1.145	0.290	Lower with MRF
Feed utility	Mean feed intake (g/bird/day)	0.125	1.22e⁻⁰⁵	9.76e⁻⁰⁵	0.122	1.00e⁻⁰⁵	8.16e⁻⁰⁵	1.196	0.804	0.374	Higher with MRF
Productivity	Proportional laying days (%)	95.960	5.878	0.061	89.560	44.006	0.491	0.125	7.872	0.007	Lower with MRF
	Total egg count (n)	644.600	271.920	0.422	601.760	1969.622	3.273	0.129	7.601	0.008	Lower with MRF
	Total egg mass (Score)	235.720	65.562	0.278	216.520	227.770	1.052	0.264	5.012	0.030	Lower with MRF
	Total egg weight (kg/pen)	39.601	1.830	4.62e⁻⁰⁵	36.370	6.475	1.78e⁻⁰⁴	0.260	5.153	0.028	Lower with MRF
Quality	Albumin height (mm)	4.858	0.620	0.128	4.828	0.852	0.177	0.723	0.490	0.857	Lower with MRF
	Haugh unit (unitless)	64.926	67.109	1.034	65.252	91.928	1.409	0.734	0.780	0.857	Lower with MRF
	Mean egg weight (g)	62.600	19.277	0.307	62.000	24.070	0.388	0.791	0.231	0.603	Lower with MRF
	Shell strength (kg/m³)	3.542	0.869	0.245	3.879	0.478	0.123	1.990	2.436	0.174	Higher with MRF
	Shell thickness (mm)	0.354	0.002	0.006	0.323	0.002	0.006	0.914	0.012	0.013	Lower with MRF
	Yolk colour (unitless)	2.880	0.266	0.092	3.120	0.346	0.111	0.833	0	0.157	No difference

Significant results (P < 0.05) are emboldened. Regarding statistical nomenclature, μ, σ², I, ϙ, and W refer to mean, variance, index-of-dispersion, the qoppa relative index of dispersion, and Shapiro–Wilk test statistic, respectively

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ISSN: 2524-4671

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