Fig. 4 | Scientific Reports

Fig. 4

From: Impacts of commercial bile acids on growth performance, immune responses and expression genes of lipid metabolism in Nile tilapia fingerlings Oreochromis niloticus

Fig. 4

Morphometric analysis of the gastrointestinal tract in Nile tilapia (O. niloticus) fingerlings fed diets supplemented with graded levels of commercial bile acids (BAs). (A) Mean (± standard error, SE; n=3) crypt depth, villus width, and villus height in millimeters; within each measured parameter, bars topped with different letters indicate statistically significant differences between dietary groups (P≤ 0.05). (B) Qualitative representation of goblet cell abundance, indicated by '+' symbols (+, ++, +++, ++++). For statistical comparisons (P<0.05) between dietary groups for each parameter shown in the figure. Diets included a control (D1, 0 g/kg BA) and treatments supplemented with 0.10 (D2), 0.20 (D3), 0.30 (D4), 0.40 (D5), and 0.50 (D6) g/kg BA.

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