Functional analysis of Parabacteroides distasonis F4: a novel probiotic strain linked to calf growth and rumen fermentation

Table 4 Effects of P. distasonis F4 on growth performance of calves

Items	Groups		SEM	P-value
Items	CON	PDH	SEM	P-value
BW¹, kg
Initial	42.00	42.71	2.189	0.749
35 d	75.29	74.78	2.443	0.836
70 d	104.18	108.63	2.436	0.076
DMI², kg
1 to 35 d	1.07	1.08	0.013	0.954
35 to 70 d	1.60	1.60	0.840	0.986
1 to 70 d	1.33	1.33	0.047	0.981
ADG³, kg/d
1 to 35 d	0.95	0.91	0.051	0.499
35 to 70 d	0.83^b	0.97^a	0.056	0.015
1 to 70 d	0.89	0.94	0.030	0.087
FCR⁴
1 to 35 d	1.16	1.21	0.067	0.459
35 to 70 d	2.03^a	1.68^b	0.140	0.016
1 to 70 d	1.52	1.42	0.058	0.091

CON The control group received saline (20 mL/d), PDH Supplemented with P. distasonis F4 (10⁹ CFU/mL, 20 mL/d)
¹BW Body weight
²DMI Dry matter intake, including milk and starter
³ADG Average daily gain
⁴FCR Feed conversion ratio, the ratio of DMI to ADG
^a,bData in the same row with different superscripts differ (P < 0.05)

ISSN: 2049-1891