. 2023 Jan 15;12(1):201. doi: 10.3390/antiox12010201

Table 4.

Effect of protected sodium butyrate (PSB) olive leaf and grape-based by-product (OLG-mix), and their interaction on carcass yield (CY), breast yield (BY) and thigh yield (TY), expressed by g/kg of body weight (BW) and g/kg of CY at slaughter (40 days of age).

PSB (g/kg)	OLG-Mix (g/kg)	CY	BY		TY
PSB (g/kg)	OLG-Mix (g/kg)	CY	BW	CY	BW	CY
0	0	799	209	262	202 ^a	253 ^a
2	0	798	206	258	194 ^b	244 ^b
0	2	799	206	258	198 ^ab	248 ^ab
2	2	799	205	257	194 ^b	243 ^b
Main effects
PSB
	0	799	208	260	200	250
	2	798	206	258	194	243
OLG-mix
	0	799	208	260	198	248
	2	799	206	257	196	245
SD ¹		0.998	1.087	1.372	1.105	1.303
p-value ²
General		0.9837	0.7215	0.7526	0.1470	0.129
PSB		0.7616	0.4443	0.5053	0.0413	0.0364
OLG-mix		0.8889	0.4780	0.4619	0.4005	0.3598
PSBxOLG-mix		0.8300	0.6316	0.6520	0.4834	0.5006

¹ SD: standard deviation (n = 30 replicates for each main effects, n = 15 replicates for the interaction). ² p: differences were statistically significant when p < 0.05; ^{a, b}. Letter with different superscript were statistically significant.