. 2022 Feb 16;15(2):350–359. doi: 10.14202/vetworld.2022.350-359

Table 5.

Lymphoid organs index, white pulp area of spleen and follicle area of bursa of Fabricius of 54 days old laying hens, Lohmann Brown Strain, treated with dates (Phoenix dactylifera L.) water extract.

Variables	Treatments

	Control	AGP	DIW1	DIW2	DIW3
Bursa of Fabricius index	0.11±0.005^a	0.12±0.006^a	0.14±0.013^a	0.15±0.011^a	0.16±0.009^b
Thymus index	0.27±0.025^a	0.33±0.034^ab	0.41±0.038^b	0.39±0.041^b	0.36±0.039^ab
Spleen index	0.25±0.016^a	0.36±0.024^ab	0.42±0.032^c	0.38±0.031^bc	0.36±0.019^bc
White Pulp area of spleen (µm²)	5,107.33±50.959^a	11,138.67±159.144^b	11,205.33±449.275^b	17,577.67.±387.968^c	20,671±93.664^d
Follicle area of Bursa of Fabricius (µm²)	11,111.33±517.283^a	21,901±871.615^b	23,882.33±2,659.089^b	26,920.33±1,831.785^b	24,593.67±586.075^b

Control=Mineral water; AGP=Bacitracin 50 mg/kg basal diet+mineral water; DWE1=5% dates water extract; DWE2=10% dates water extract; DWE3=20% dates water extract, dates water extract has been given through drinking water. ^a-dDifferent letters on values in the same row indicate a significant difference (p≤0.05)