Effects of Replacement Cold Press Poppy Seed (Papaver somniferum) Oil to Fish Oil at Different Proportions on the Growth Performance, Blood Parameters, and Digestive Tracks Histopathology in Juvenile Common Carp (Cyprinus carpio)

Table 5

Histopathological changes in the liver and histomorphometric measurements of the intestines carp fish of fed with experimental diets.

mm	Parts of the intestine	PSO0	PSO25	PSO50	PSO75	PSO100
Villus width	Proximal loop	97.98 ± 12.17^b	126.03 ± 25.17^a	110.31 ± 19.60^bc	120.27 ± 23.21^ab	114.65 ± 22.45^ab
	Middle loop	97.36 ± 21.54^b	97.49 ± 20.60^b	107.31 ± 18.03^ab	112.85 ± 18.97^a	104.79 ± 20.13^ab
	Distal loop	99.23 ± 12.35^b	112.03 ± 16.80^ab	119.10 ± 20.06^a	119.46 ± 18.86^a	123.87 ± 23.13^a
Villus length	Proximal loop	221.36 ± 66.73^c	298.32 ± 57.88^b	325.04 ± 74.06^ab	309.07 ± 92.48^b	373.41 ± 87.76^a
	Middle loop	257.81 ± 47.59^b	343.51 ± 51.60^a	354.83 ± 101.02^a	361.38 ± 91.55^a	320.47 ± 54.50^a
	Distal loop	307.71 ± 38.24^b	332.85 ± 59.27^b	441.36 ± 121.93^a	441.57 ± 88.82^a	487.23 ± 88.93^a
Tunica muscularis thickness	Proximal loop	23.51 ± 6.70^c	34.84 ± 9.13^b	35.08 ± 5.93^b	35.69 ± 12.84^b	46.98 ± 12.75^a
	Middle loop	23.22 ± 8.63^b	25.61 ± 7.51^ab	24.60 ± 5.87^b	24.58 ± 6.99^b	30.83 ± 9.24^a
	Distal loop	22.05 ± 5.72^b	24.29 ± 6.78^b	23.44 ± 4.61^b	20.11 ± 4.56^b	36.21 ± 9.52^a

Data represent mean ± SD from two replicates per tank total six fish for each group (n = 6). Values with different letters in the same row indicate significant differences between their groups (()).