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| 1 | 黄斑篮子鱼仔、稚、幼鱼形态观察与生长研究显示文摘为了解黄斑篮子鱼(Siganus oramin)胚后发育特点,对其早期发育阶段进行了形态学观察,并对其各时期的形态特征和生长特性进行了描述与分析。根据卵黄囊和油球消失、仔鱼开口与摄食、鳍膜消退、鳍棘变化、色素沉积和全身被鳞等发育特征,把黄斑篮子鱼胚后发育分为仔鱼期(包括早期仔鱼和后期仔鱼)、稚鱼期和幼鱼期。黄斑篮子鱼初孵仔鱼全长(1.913±0.105) mm,在水温23~24.3℃,3日龄开口;6日龄卵黄囊和油球被完全吸收,进入后期仔鱼期;17日龄鳍膜消失,各鳍发育基本完成,进入稚鱼期;33日龄鳞片覆盖全身,完成变态,外部形态特征与成鱼相近,进入幼鱼期。仔稚鱼生长随日龄的增长呈现出先快后慢再快的生长趋势;第2背鳍棘和腹鳍棘出膜后随日龄不断伸长,28日龄长到最大值,之后逐渐收缩。 | 黄小林 杨育凯 李涛 黄忠 虞为 林黑着 | 2018 | 南方水产科学2018，14，5： | 8 |
| 2 | 投喂频率对长鳍篮子鱼幼鱼生长性能、肌肉粗营养及血清生化指标的影响显示文摘为探究不同投喂频率对长鳍篮子鱼(Siganus canaliculatus)幼鱼生长及生理的影响,分别设置4个投喂频率(1次·d^(-1)、2次·d^(-1)、3次·d^(-1)、4次·d^(-1)),依次标记为F1、F2、F3、F4组,每组设置3个平行,在微流水养殖桶(有效容积125 L)中养殖16周。结果显示:1)生长指标:各组长鳍篮子鱼幼鱼体质量及体长随养殖时间增加均呈线性上升趋势,F3与F4组生长趋势相近;饵料系数和摄食率F3组均为最高,且显著高于F1组(P<0.05);F4组肝体比显著高于F1组(P<0.05),F1组肠体比与肠长比显著高于F4组(P<0.05),F3、F4组肥满度显著高于F1、F2组(P<0.05)。2)肌肉粗营养:F1组肌肉中水分含量显著高于其他3组(P<0.05),而肌肉粗蛋白含量显著低于其余3组(P<0.05);F2、F3组肌肉粗灰分含量显著高于F1、F4组(P<0.05)。3)血清生化指标:F2、F3组血清总蛋白含量显著高于F1、F4组(P<0.05);而F1、F4组血清白蛋白含量显著高于F2、F3组(P<0.05);甘油三酯的含量随投喂频率增加显著增加(P<0.05);F4组高密度脂蛋白胆固醇含量最高,显著高于F1、F2组(P<0.05),且F4组低密度脂蛋白胆固醇含量显著低于其他3组(P<0.05);F3组谷草转氨酶活性及谷丙转氨酶活性显著低于其他3组(P<0.05)。结果表明,投喂频率在3次·d^(-1)时长鳍篮子鱼幼鱼的生长效益最佳。 | 方可菲 刘鉴毅 王妤 冯广朋 邹雄 郝长杰 余焱方 孙雪娜 | 2021 | 海洋渔业2021，43，3： | 2 |
| 3 | Fatty Acid Composition and Digestive Enzyme Activities of Rainbow Trout in Response to Dietary Docosahexaenoic Acid(DHA)and Eicosapentaenoic Acid(EPA)During Salinity Acclimation显示文摘This physiological study aimed to evaluate the effects of dietary docosahexaenoic acid(DHA)and eicosapentaenoic acid(EPA)on the fatty acid composition and digestive enzyme activities of rainbow trout(Oncorhynchus mykiss)during salinity acclimation.Rainbow trout with an average initial weight of 90.61 g±9.25 g were fed diets with the quantities of DHA and EPA equaling to 0.54%,0.95%,1.40%and 1.79%(abbreviated as DE-0.54,DE-0.95,DE-1.40,and DE-1.79,respectively)for eight weeks,after which the gastric and intestinal fatty acids composition were analyzed.Subsequently,the fish underwent salinity acclimation.On days 1,4,7,and 14 after the freshwater was replaced by seawater and at the end of the 8-week period,gastric and intestinal digestive enzyme activities were determined.The results showed that the gastric and intestinal DHA and EPA contents of the fish were positively correlated to their dietary DHA and EPA levels.Low dietary DHA and EPA levels inhibited the protease activity of rainbow trout.Fish in the DE-0.54 group increased the lipase activity to enhance the utilization of lipids maybe due to the inadequate essential fatty acids for fish in this group.Hence,rainbow trout in the DE-0.54 group failed to maintain suitable activities of digestive enzymes after salinity acclimation.Therefore,a diet with minimum 0.95%DHA and EPA levels is necessary for rainbow trout during salinity acclimation. | HUANG Ming ZHOU Yangen GE Jian AGUSTSSON Thorleifur LI Li GAO Qinfeng DONG Shuanglin | 2020 | Journal of Ocean University of China2020，19，6： | 0 |
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