. 2017 Dec 15;8(4):353–359.

Table 3.

Effect of different levels of vitamin E (mg kg^-1) in diet on male and female reproductive characteristics in Japanese quails.

Parameters	T 1	T 2	T 3 ‎	T 4 ‎	T 5 ‎
Left testis weight (g)	2.77 ± 0.08^b	3.83 ± 0.21^a	3.05 ± 0.13^b	3.88 ± 0.35^a	2.82 ± 0.23^b
Right testis weight (g)	2.70 ± 0.11	3.37 ± 0.22	3.08 ± 0.09	3.37 ± 0.36	2.73 ± 0.27
Oviduct weight (g)	8.53 ± 0.52	7.78 ± 1.16	8.17 ± 0.94	7.60 ± 0.75	7.50 ± 0.38
Oviduct length (cm)	34.50 ± 1.74	35.13 ± 1.33	34.50 ± 0.87	35.13 ± 1.33	31.50 ± 0.29
Ovary weight (g)	6.40 ± 0.90	5.60 ± 1.05	4.75 ± 0.39	6.85 ± 1.28	6.55 ± 1.16
F1 follicular weight (g)	2.12 ± 0.49	2.93 ± 0.26	2.3 ± 0.15	2.95 ± 0.46	3.00 ± 0.56
F2 follicular weight (g)	1.58 ± 0.33	1.50 ± 0.38	1.05 ± 0.12	1.87 ± 0.38	1.77 ± 0.31
F3 follicular weight (g)	0.60 ± 0.07^b	1.05 ± 0.06^a	0.48 ± 0.06^c	1.16 ± 0.02^a	0.78 ± 0.15^ab
F4 follicular weight (g)	0.46 ± 0.12	0.68 ± 0.18	0.40 ± 0.06	0.52 ± 0.14	0.42 ± 0.15
F1 follicular diameter (cm)	1.67 ± 0.09	1.88 ± 0.09	1.64 ± 0.04	1.82 ± 0.14	1.84 ± 0.09
F2 follicular diameter (cm)	1.44 ± 0.15	1.40 ± 0.13	1.20 ± 0.07	1.23 ± 0.24	1.43 ± 0.07
F3 follicular diameter (cm)	0.98 ± 0.10	1.02 ± 0.15	0.78 ±0.04	1.08 ± 0.12	1.02 ± 0.12
F4 follicular diameter (cm)	0.67 ± 0.10	0.88 ± 0.15	0.58 ± 0.04	0.80 ± 0.14	0.69 ± 0.07
Female estrogen (pg mL ^-1 )	472.00 ± 178.53^bc	328 ± 30.74^c	841.38 ± 1.79^ab	1000.98 ± 13.04^a	322 ± 85.89^c
Female FSH (IU mL ^-1 )	0.28 ± 0.1	0.16 ± 0.08	0.10 ± 0.03	0.22 ± 0.09	0.11 ± 0.04
Male testosterone (ng mL ^-1 )	6.23 ± 1.49^b	5.30 ± 1.11^b	5.48 ± 1.44^b	6.00 ± 1.10^b	11.35 ± 0.62^a
Male FSH (IU mL ^-1 )	0.20 ± 0.04	0.33 ± 0.10	0.38 ± 0.16	0.34 ± 0.22	0.18 ± 0.03

Means ± SE within a row without a common superscript differ significantly (p < 0.05). T1, T2, T3, T4 and T5 represent the birds in the treatments supplemented with vitamin E at levels of zero (control), 30, 60, 120 and 240 mg kg^-1, respectively.