金乌贼荧光标志方法的研究
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国家科技支撑计划课题(2006BAD09A15)和山东省科技发展计划项目(2004GG2205110)


The study of fluorescent marking method in golden cuttlefish Sepia esculenta (Cephalopoda: Sepiidae)
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    摘要:

    建立一种简单实用的标志方法,对更好地评价金乌贼增殖放流效果和渔业资源现状非常重要。以金乌贼为实验对象,利用荧光物质—茜素络合指示剂(Alizarin Complexone, ALC)浸泡金乌贼幼体,对其内壳进行标志,所用荧光染色剂浓度为(6.0~8.0)×10-3%,浸泡染色时间24 h。将标志组和对照组的金乌贼幼体分别暂养于1.5 m×1.5 m×1.5 m水泥池30 d,后将暂养的幼体放养于面积为2.667 m2的室外土池,并在60 d后,将平均胴背长达91.4 mm(对照组)、87.6 mm(标志组)金乌贼幼体移入室内水泥池越冬,整个实验历时210 d。实验期间,分别在标志后15、30、45、60、90、210 d对金乌贼进行随机取样,解剖出内壳观察标志色保留状况并对金乌贼生长发育及存活率进行测量。结果显示, 标志金乌贼的成活率为100%;方差分析显示,标志组和对照组金乌贼的生长发育差异不显著(P>0.05);210 d后内壳骨针部仍清晰保留初染时的半椭圆形淡紫色圆圈;实验所采用的ALC内壳标志方法操作容易,可一次性大量进行标志处理,鉴别简单,无需借助其它仪器,肉眼便可直接观察到标志色,并且标志色保持率高,保留时间长,是一种理想的标志金乌贼的方法。

    Abstract:

    It is very important to establish a kind of simple and useful marking method to evaluate multiplication and releasing effect and the current situation of fisheries resource. The golden cuttlefish were chosen to be the study matieral in this article. The larval golden cuttlefish hached after 15d were immersed in 6.0 ~ 8.0 ×10-3 % alizarin complexone (ALC) for 24 h. The tagged group and control group were reared in1.5m×1.5 m×1.5 m indoor pond for 30 d, and then they were removed to 2667 m2 outdoor pond. After 60d, their mean doral mantle length grew to 91.4 mm (control group) and 87.6 mm (tagged group) respectively, they were removed to indoor pond for over winter. During 210d experiment, the golden cuttlefish were sampled randomly in order to examine the growth and the dye-retention of the tagged cuttlebone after tagged 15、30、45、60、90、210 d. The results of the experiment showed that this marking method is very effective, and the survival rate of the tagged golden cuttlefish is 100%. There are no significant differences between the growth of the tagged group and the control group (P>0.05). The half tagged lavender ring is very clear in the cuttlebone even after tagged 210d. Additionally, according to this method, we could tag lots of samples easily in one time, and the retention of marker can last long period. Due to the maneuverability and easy to distinguish tagged ones, it is suggested that this method could be a good marking method for golden cuttlefish.

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郝振林,张秀梅,张沛东,董晓煜,卞晓东.金乌贼荧光标志方法的研究[J].水产学报,2008,32(4):577~583

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  • 收稿日期:2007-10-22
  • 最后修改日期:2008-02-27
  • 录用日期:2008-05-27
  • 在线发布日期: 2008-07-07
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