Animal Microbiome

Table 1 Comparative analysis of production performance

From: Enhancing Holstein steers growth performance: oregano essential oil’s impact on rumen development, functionality and microorganism

Items	Groups¹		P-Value
Items	CCK	CEO	P-Value
Body weight (BW), kg	600.84 ± 19.67^b	661.49 ± 12.95^a	0.022
Average daily gain (ADG), kg/d	0.95 ± 0.06^b	1.13 ± 0.03^a	0.021
Feed intake (FI), kg/d	17.56 ± 0.60	17.51 ± 0.69	0.942
Dry matter intake (DMI), kg/d	10.45 ± 0.25	10.45 ± 0.23	0.990
Feed/gain ratio (F/G)	11.46 ± 0.85^a	9.27 ± 0.30^b	0.035
Carcass weight, kg	331.14 ± 10.24^b	389.79 ± 6.32^a	0.001
Dressing percentage, %	57.36 ± 0.47^b	60.86 ± 0.29^a	< 0.001
Net meat weight, kg	258.55 ± 7.93^b	309.33 ± 6.26^a	0.001

¹ CCK: castrated bulls with basal diet group; CEO: castrated bulls with the same diet adding to 20 g per steer/day oregano essential oil; values presented as mean ± standard error (n = 6)
^{a, b} Different superscripts within a row indicate significant differences between two groups following EO treatment (P ≤ 0.05), as analyzed by independent samples t-tests

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ISSN: 2524-4671

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