1. 上海海洋大学 水产与生命学院，上海海洋大学省部共建水产种质资源发掘与利用教育部重点实验室 ; 2. 上海市水产养殖工程技术研究中心;3. 上海高校知识服务平台上海海洋大学水产动物遗传育种中心,1. 上海海洋大学 水产与生命学院，上海海洋大学省部共建水产种质资源发掘与利用教育部重点实验室 ; 2. 上海市水产养殖工程技术研究中心;3. 上海高校知识服务平台上海海洋大学水产动物遗传育种中心,1. 上海海洋大学 水产与生命学院，上海海洋大学省部共建水产种质资源发掘与利用教育部重点实验室 ; 2. 上海市水产养殖工程技术研究中心;3. 上海高校知识服务平台上海海洋大学水产动物遗传育种中心,辽宁省盘山县河蟹技术研究所
上海市重上海市高校知识服务平台上海海洋大学水产动物遗传育种中心(ZF1206),美国国际发展署AquaFish CRSP项目,上海市科委西部地区科技合作项目(11395800200)；欧点学科资助项目(Y1101)；*通讯作者,E-mail: xuzhouma@126.com；第一
- ZHANG Qing-Yang
ZHANG Qing-Yang
1. College of Fisheries and Life science, Shanghai Ocean University, Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai ；2. Shanghai Engineering Research Center of Aquaculture Shanghai ; 3. Shanghai University Knowledge Service Platform, Shanghai Ocean University Aquatic Animal Breeding Center Shanghai
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在本站中查找 - MA Xu-Zhou
MA Xu-Zhou
1. College of Fisheries and Life science, Shanghai Ocean University, Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai ；2. Shanghai Engineering Research Center of Aquaculture Shanghai ; 3. Shanghai University Knowledge Service Platform, Shanghai Ocean University Aquatic Animal Breeding Center Shanghai
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在本站中查找 - WANG Ang
WANG Ang
1. College of Fisheries and Life science, Shanghai Ocean University, Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai ；2. Shanghai Engineering Research Center of Aquaculture Shanghai ; 3. Shanghai University Knowledge Service Platform, Shanghai Ocean University Aquatic Animal Breeding Center Shanghai
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在本站中查找 - WANG Wu
WANG Wu
1. College of Fisheries and Life science, Shanghai Ocean University, Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai ；2. Shanghai Engineering Research Center of Aquaculture Shanghai ; 3. Shanghai University Knowledge Service Platform, Shanghai Ocean University Aquatic Animal Breeding Center Shanghai
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在本站中查找 - YU Yong-Qing
1. College of Fisheries and Life science, Shanghai Ocean University, Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai ;2. Shanghai Engineering Research Center of Aquaculture Shanghai ; 3. Shanghai University Knowledge Service Platform, Shanghai Ocean University Aquatic Animal Breeding Center Shanghai,1. College of Fisheries and Life science, Shanghai Ocean University, Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai ;2. Shanghai Engineering Research Center of Aquaculture Shanghai ; 3. Shanghai University Knowledge Service Platform, Shanghai Ocean University Aquatic Animal Breeding Center Shanghai,1. College of Fisheries and Life science, Shanghai Ocean University, Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Ministry of Education, Shanghai Ocean University, Shanghai ;2. Shanghai Engineering Research Center of Aquaculture Shanghai ; 3. Shanghai University Knowledge Service Platform, Shanghai Ocean University Aquatic Animal Breeding Center Shanghai,Crab Technology Institute of Panshan County
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本实验在室外网箱内监测辽河水系中华绒螯蟹幼蟹阶段个体生长发育的每一次蜕壳生长情况。2013年实验选取雄蟹和雌蟹各200只,记录了每个蜕壳阶段雌蟹和雄蟹的生长,包括壳长、壳宽、总重和蜕壳间隔,并且观察雌蟹和雄蟹的形态特征的变化。实验共进行111天,幼蟹共蜕壳11次。实验结束时,雄蟹剩余34只,雌蟹剩余42只；雄蟹的特定生长率为0.0989±0.0173g/d,雌蟹的特定生长率为0.0951±0.0171g/d；雌蟹生长蜕壳过程中腹部的形态变化很大,腹部由三角形变成了卵圆形。雄蟹在生长蜕壳过程中螯足的增长明显比雌蟹要快,并且在第十一蜕壳后螯足腹面内侧出现一小撮绒毛,外侧也出现少量绒毛但不易发现。
The molt times and morphological features changes of the Liaohe population Chinese mitten crab (Eriocheir sinensis ) were further explored. Molting and growth of juveniles of the Liaohe population Chinese mitten crab was studied in outdoor net cages by recording carapace width and length, body weight, molting frequency, and observing the changes of morphological features. Male and female crabs molt 11 times in the whole experiment stage. The experiment selected 200 male and female crabs respectively, and lasted for 111 days in 2014. Male and female crabs molted 11 times in the whole experiment. In the end, 34 male crabs and 42 female crabs survived. The Special Growth Rates of male and female crabs were 0.0989±0.0173g/d and 0.0951±0.0171g/d respectively. The abdominal morphological changes of female crab were very obvious in molt process, changing from triangle to ovoid (Fig.5). Chela-foot sufficient of male crab grew significantly faster than that of female crab. A handful fluff and a small amount of fluff appeared on the inside and outside of the chela-foot sufficient venter respectively after the eleventh molt (Fig. 6 and Fig. 7). The results show that molt times of Liaohe population Chinese mitten crab is likely to be 20 times and the time interval is changed by carapace width or carapace length index (Fig. 8) in whole life, in addition, some interesting phenomenon were observed.
引用本文
张庆阳,马旭洲,王昂,王武,于永清.2015.稻田网箱养殖辽河水系中华绒螯蟹幼蟹的个体生长.动物学杂志,50(1):112-121.
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- 收稿日期:2014-05-28
- 最后修改日期:2015-01-05
- 录用日期:2014-12-16
- 在线发布日期: 2015-01-15
