Effects of dietary soy lecithin on the ovary development, histology and vitellogenin gene expression in mated and unmated female swimming crab (Portunus trituberculatus)

• DING Liyun, 
• FU Huiyun, 
• HOU Yingmei, 
• HUO Yawen, 
• SUN Peng, 
• JIN Min, 
• ZHOU Qicun