【摘要】 通过投喂添加卵磷脂和深海三文鱼油的饲料,研究了2种油脂对雌蟹卵巢发育及脂质脂肪酸组成的影响,结果表明:饲料中添加2种油脂均能够明显增加河蟹体重,显著提高河蟹的卵巢指数、卵母细胞直径、卵巢及肝胰腺总脂含量;添加卵磷脂后C16∶0和C16∶1脂肪酸含量明显下降,C18∶1脂肪酸含量明显上升,C18∶2脂肪酸含量极显著升高(P<0.01);添加鱼油后,显著升高C20∶5和C22∶6脂肪酸水平;卵磷脂和鱼油同时加入,C16∶0脂肪酸含量显著降低(P<0.05),C20∶5和C22∶6脂肪酸水平显著升高(P<0.05)。充分说明了这2种油脂均能明显促进河蟹的卵巢发育。更多还原

【Abstract】 Effect of two greases on ovarian development and lipid fatty acid composition of female Chinese mitten-handed Eriocheir sinensis were studied by feeding with lecithin and deep sea salmon fish oil.The results showed:the weighth of crab,ovarian index,oocyte diameter,total lipid of ovary and hepatopancrea were increased obviously by feeding with two greases;the contents of C_16∶0 and C_16∶1 were decreased obviously,the contents of C_18∶1 and C_18∶2 were increased obviously,the contents of C_18∶2 were very significantly increased（P<0.01）by addition of lecithin;the contents of C_20∶5 and C_22∶6 were significantly increased by addition of salmon fish oil（P<0.05）;the content of C_16∶0 was significantly decreased （P<0.05）,the contents of C_20∶5 and C_22∶6 were significantly increased by addition of lecithin and salmon fish oil（P<0.05）.It illustrated fully that two greases could facilitate obviously ovarian development of Eriocheir sinensis.更多还原