Dietary isoleucine improved flesh quality, muscle antioxidant capacity, and muscle growth associated with AKT/TOR/S6K1 and AKT/FOXO3a signaling in hybrid bagrid catfish (Pelteobagrus vachelli♀ × Leiocassis longirostris♂)

Table 3 Muscle fibers cellularity, % frequency of hybrid bagrid catfish fed diets with graded levels of Ile for 8 weeks¹

Items²	Dietary Ile levels, g/kg							SEM	P-values
Items²	5.0	7.5	10.0	12.5	15.0	17.5	20.0	SEM	Linear	Quadratic
d ≤ 20 μm	24.07^a	26.18^ab	25.12^ab	33.12^c	29.21^bc	23.81^a	24.04^a	0.51	0.74	< 0.0001
20 < d < 50 μm	66.91^d	63.42^cd	58.69^bc	48.93^a	55.56^b	64.31^cd	66.42^d	0.80	0.52	< 0.0001
d ≥ 50 μm	9.03^a	10.40^a	16.19^bc	18.75^c	15.24^b	11.89^ab	10.02^a	0.41	< 0.05	< 0.0001

¹ Values are means ± SEM of three replicate groups with 2 fish in each group. Mean values with the different superscripts in the same row are significantly different (P < 0.05)
² d, diameter of muscle fibers

ISSN: 2049-1891