A Study on the Preparation of Microbial and Nonstarch Polysaccharide Enzyme Synergistic Fermented Maize Cob Feed and Its Feeding Efficiency in Finishing Pigs

Table 6

Effect of fermented maize cob feed on slaughter performance and meat quality of finishing pigs.

Group		Control group	Test group
			4% additive group	6% additive group	8% additive group
Slaughter performance	Weight before slaughter (kg)	^a	^a	^a	^a
	Carcass weight (kg)	^a	^ab	^b	^ab
	Dressing percentage (%)	^a	^b	^b	^a
	10th ribbed back fat thick (cm)	^a	^ab	^b	^ab
	10th costal muscle area (cm^2)	^a	^b	^c	^c
	Thin meat rate (%)	^a	^ab	^b	^a
Meat quality	Meat color score	^a	^b	^c	^c
	Marbling score	^a	^b	^c	^bc
	pH45min	^a	^a	^b	^b
	pH24h	^a	^a	^b	^b
	Tenderness (N)	^a	^b	2^c	^c
	Water loss rate (%)	^a	^b	^c	^bc
	Drip loss (%)	^a	^a	^b	^b
Muscle fat levels and fatty acid levels	Meat fat (%)	^a	^ab	^b	^c
	Monounsaturated fatty acid (%)	^a	^b	^bc	^c
	Polyunsaturated fatty acid (%)	^a	^ab	^bc	^c
	Unsaturated fatty acid (%)	^a	^b	^d	^c
	Saturated fatty acid (%)	^a	^ab	^b	^b