Dietary Clostridium butyricum Improves Growth Performance and Resistance to Ammonia Stress in Yellow Catfish (Pelteobagrus fulvidraco)

Table 4

Intestinal SCFA concentration (μg/100 g) of juvenile yellow catfish fed diets containing different levels of CB for 56 days (, ).

Items	Dietary CB concentrations (mg/kg)
	CB0	CB1	CB2	CB3	CB4
Acetic acid	^a	^b	^ab	^ab	^ab
Propionic acid	^a	^b	^b	^b	^a
Butyric acid	^a	^ab	^ab	^ab	^b
Valeric acid	^a	^ab	^ab	^ab	^b

Different superscript letters within a row indicate significance ().