. 2019 Aug 23;6(1):69–79. doi: 10.1016/j.aninu.2019.07.002

Table 3.

Intestinal microvilli density and length of Nile tilapia fed diets supplemented with Bacillus subtilis or/and Bacillus cereus for 6 wk.¹

Item	Groups²
Item	CK	BS	BS + BC	BC
Density, count/μm²	85.66 ± 7.45^a	140.11 ± 13.19^bc	128.82 ± 7.83^b	142.76 ± 12.70^c
Length, μm	0.91 ± 0.06^a	1.03 ± 0.03^c	1.00 ± 0.03^b	1.00 ± 0.03^b

^{a, b, c}Within a row, means with different letter superscripts are significantly different (P < 0.05).

Data represent means ± standard deviation (n = 6 fish).

CK group: the basal diet; BS group: the basal diet with 1 × 10⁸ CFU/g of B. subtilis; BS + BC group: the basal diet with both 0.5 × 10⁸ CFU/g of B. subtilis and B. cereus NY5; BC group: the basal diet with 1 × 10⁸ CFU/g of B. cereus NY5.