2Sales J, Janssens G P J. Nutrition of the domestic pigeon (Columba livia domestica)[J]. World Poultry Science Journal, 2002,59 : 221-232.
3Woods D C, Johnson A L. Regulation of follicle-stimulating hormone-receptor messenger RNA in hen granulosa cells rela- tive to follicle selection[J]. Biology of Reproduction, 2005,72: 643-650.
4Furr B J A,Bonney R C,England R J,et a/.Luteinizing hor- mone and progesterone in peripheral blood during the ovulatory cycle of the hen(Gallus domesticus)[J]. Journal of Endocrinolo- gy, 1973,57 : 159-169.
5Scanes C G, Godden P M, Sharp P J. An homologous radio- immunoassay for chicken follicle-stimulating hormone: observa- tions on the ovulatory cycle[J]. Journal of Endocrinology, 1977, 73:473-481.
6Etches R J,Cheng K W. Changes in the plasma concentra- tions of luteinizing hormone,progesterone,oestradiol and testoster- one and in the binding of follicle-stimulating hormone to thetheca of follicles during the ovulation cycle of the hen(Gallus domesticus) [ J ]. Journal of Endocrinology, 1981,91 : 11-22.
7Johnson A L, van Tienhoven A. Plasma concentrations of six steroids and LH during the ovulatory cycle of the hen, Gal- lus domesticus[J]. Biology of Reproduction, 1980,23 : 386-93.
9Ni Y,Zhou Y L,Lu L,et al. Developmental changes FSH-R, LH-R,ER-beta GnRH-I expression in the ovary of prepuber- tal ducks (Anas platyrhynchos) [J ]. Animal Reproductive Science, 2007,100: 318-328.
10Tojo H,Huston T M. A significance of estradiol and proges- terone in the ovulatory process of the hen[J]. Japanese Journal of Zootechnical Science, 1980,51:734-739.
