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

From: 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♂)

Items2 Dietary Ile levels, g/kg SEM P-values
5.0 7.5 10.0 12.5 15.0 17.5 20.0 Linear Quadratic
d ≤ 20 μm 24.07a 26.18ab 25.12ab 33.12c 29.21bc 23.81a 24.04a 0.51 0.74 <  0.0001
20 < d < 50 μm 66.91d 63.42cd 58.69bc 48.93a 55.56b 64.31cd 66.42d 0.80 0.52 <  0.0001
d ≥ 50 μm 9.03a 10.40a 16.19bc 18.75c 15.24b 11.89ab 10.02a 0.41 <  0.05 <  0.0001
  1. 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. 2 d, diameter of muscle fibers