Growth and development of hepatopancreas and intestine, and intestinal folds height of juvenile Jian carp fed diets containing graded levels of Thr.

1Values are means ± SD, n = 15. Mean values with the different superscripts in the same row are significantly different (p<0.05). 2Values are means ± SD, n = 5. Mean values with the different superscripts in the same row are significantly different (p<0.05). HW, hepatopancreas weight; HSI, hepatosomatic index; HPC, hepatopancreas protein content; IW, intestine weight; IL, intestine length; RGL, relative gut length; ISI, intestosomatic index; IPC, intestine protein content; PI, proximal intestine; MI, mid intestine; DI, distal intestine.