Table 2.

Effect of parachlorophenylalanine (PCPA) treatment on the number of follicles (mean ± SEM) in the ovary of native Polish crested chickens (5 chickens/group).

Follicles	Diameter	Group
		Control	PCPA
White	(1–4 mm)	34.83 ± 5.68	41.67 ± 7.86
Yellowish	(4–8 mm)	14.33 ± 3.01	16.17 ± 1.89
Yellow	(8–12 mm)	0.50 ± 0.22	0.83 ± 0.17
	(12–18 mm)	0.63 ± 0.21	0.83 ± 0.17
	(18–24 mm)	0.83 ± 0.17	0.83 ± 0.17
	(24–30 mm)	1.67 ± 0.33	2.17 ± 0.17
Atretic		7.83 ± 2.21	7.50 ± 0.85

Abbreviation: SEM, standard error of the mean.