Feeding of phytosterols reduced testosterone production by modulating GnRH and GnIH expression in the brain and testes of male Japanese quail (Coturnix coturnix japonica) 論文 Mohammad Ibrahim Qasimi・Kentaro Nagaoka・Gen Watanabe ·2017-12-27 ·『Poultry Science』 97(3) pp. 1066-1072 doi:10.3382/ps/pex370