Table 8.
Histological parameters of the intestine of ide juveniles fed experimental diets.
| Parameters | Groups | |||||
|---|---|---|---|---|---|---|
| CON | HI | TM | ZM | SEM | p Value | |
| Villi height (µm) | 286.64 ab ± 74.82 | 283.77 ab ± 54.06 | 308.36 a ± 38.42 | 239.41 b ± 51.68 | 7.7931 | 0.0052 |
| Villi width (µm) | 87.31 ± 10.65 | 91.06 ± 12.61 | 92.02 ± 10.30 | 84.88 ± 9.41 | 1.4095 | 0.2470 |
| Villi surface area (µm2) | 79798 ab ± 29578 | 82202 ab ± 24301 | 89715 a ± 18839 | 64205 b ± 17622 | 3144.4 | 0.0117 |
| Muscular layer thickness (µm) | 36.06 ± 8.69 | 34.27 ± 8.35 | 34.54 ± 5.03 | 33.91 ± 5.35 | 0.8940 | 0.8470 |
Results for each treatment are given as mean ± standard deviation. Differences between treatments (p ≤ 0.05) are indicated by different letters. CON—diet with 300 g of fish meal per kilogram and no insect meal; HI—diet with 150 g of fish meal and 200 g of Hermetia illucens meal per kilogram; TM—diet with 150 g of fish meal and 200 g of Tenebrio molitor meal per kilogram; ZM—diet with 150 g of fish meal and 200 g of Zophobas morio meal per kilogram.