. 2022 Sep 15;13(3):301–308. doi: 10.30466/vrf.2020.127741.2953

Table 2.

Histomorphometric features of bursa of Fabricius of pre-hatch and post-hatch broiler chicken. Data are presented as mean ± SEM

Days	Width of plicae (µm)	Nodular diameters (µm)	Height of FAE (µm)	Height of IFE (µm)
ED 14	135.00 ± 8.66^a	56.88 ± 0.30a	17.77 ± 0.34^acdg	22.27 ± 0.35^a
ED 17	160.00 ± 9.24^a	61.68 ± 2.25^a	20.54 ± 2.16^abcdeghj	29.97 ± 2.75^abc
ED 19	179.67 ± 2.03^ab	83.05 ± 13.60^ab	18.33 ± 2.22^acg	32.92 ± 3.31^bcd
PD 1	308.00 ± 20.21^bc	114.76 ± 9.51^bc	26.53 ± 1.17^bcdefghij	35.91 ± 2.04^cdf
PD 3	344.33 ± 37.24^cf	117.66 ± 5.82^bc	24.66 ± 4.13^bcdefghij	40.65 ± 6.60^defh
PD 5	521.67 ± 34.93^dhi	138.12 ± 4.85^cf	25.67 ± 1.88^defghij	45.41 ± 0.14^efghk
PD 7	522.67 ± 56.29^dhi	141.82 ± 8.19^cf	27.49 ± 1.64^efghij	40.94 ± 3.15^fh
PD 11	699.33 ± 107.10^egh	181.02 ± 3.34^df	28.42 ± 2.39^fghij	50.78 ± 0.75^ghik
PD 14	452.67 ± 12.99^dfi	204.58 ± 18.72^de	21.48 ± 2.42^ghij	48.04 ± 1.58^hk
PD 21	719.00 ± 61.20^g	201.52 ± 27.00^de	27.29 ± 2.35^hij	56.90 ± 0.92^ijk
PD 28	577.67 ± 38.97^hi	223.74 ± 18.91^e	28.77 ± 4.76^ij	56.64 ± 2.46^jk
PD 35	503.67 ± 60.91ⁱ	158.08 ± 12.07^f	27.41 ± 0.87^j	51.10 ± 0.13^k
PD 42	135.00 ± 8.66^a	56.88 ± 0.30a	17.77 ± 0.34^acdg	22.27 ± 0.35^a
PD 56	160.00 ± 9.24^a	61.68 ± 2.25^a	20.54 ± 2.16^abcdeghj	29.97 ± 2.75^abc

ED: embryonic day, PD: post-hatch day, FAE: follicle-associated epithelium, and IFE: inter-follicular epithelium.

^a-k Different superscripts in a column indicate significant differences across the groups (p < 0.05).