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异育银鲫“中科3号”与丰产鲫形态特征及生长的比较研究
Comparison of morphometric attribute and growing performance between Allogynogenetic gibel carp (Carassius auratus gibelio) "CAS III" and Pengze crucian carp (Carassius auratus Var. Pengzenensis)
查看参考文献12篇
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文摘
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池养条件下，比较研究了异育银鲫（Carassius auratus gibelio）“中科3号”和丰产鲫(Carassius auratus Var. Pengzenensis)的形态特征与生长。结果显示：体长/体高、体长/头长、体长/尾柄长、尾柄长/尾柄高等可量性状参数比值差异显著，可作为两者形态区别主要参数；其中异育银鲫“中科3号”的体长为体高的2.55倍，为头长的4.27倍，为尾柄长的8.56倍，尾柄长为尾柄高的0.76倍；丰产鲫的体长为体高的2.74倍，为头长的3.66倍，为尾柄长的5.87倍，尾柄长为尾柄高的1.14倍；异育银鲫“中科3号”体略高，头略短，尾柄略短略高，丰产鲫体型较修长。两种鲫鱼体长体重增长率差异显著，养殖前3个月，丰产鲫体长体重增长率高过异育银鲫“中科3号”，养殖后4个月，异育银鲫“中科3号”的体长体重增长率高过丰产鲫；两种鲫鱼肥满度指数(K)在不同养殖阶段有一定变化(2.71 ~ 3.12)，但差异不显著；综合评定异育银鲫“中科3号”生长性能优于丰产鲫，适宜华南地区推广养殖。 |
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其他语种文摘
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The morphometic attribute and growing performance of Allogynogenetic gibel Carp "CAS Ⅲ" and Pengze Crucian Carp were measured in breeding condition. The results of Allogynogenetic gibel Carp "CAS Ⅲ" are as follows: The ratio of body length to body height is 2.55; The ratio of body length to head length is 4.27; The ratio of body length to candal peduncle length is 8.56; The ratio of candal peduncle length to candal peduncle height is 0.76. The results of Pengze Crucian Carp are as follows: The ratio of body length to body height is 2.74; The ratio of body length to head length is 3.66; The ratio of body length to candal peduncle length is 5.87; The ratio of candal peduncle length to candal peduncle height is 1.14. The measurements above could be used as parameters of morphometric attribute, which has significantt difference between Allogynogenetic gibel Carp "CAS Ⅲ" and Pengze Crucian Carp. On the whole, Allogynogenetic gibel Carp "CAS Ⅲ" has a deeper body, more shorter head and candal peduncle than Pengze Crucian Carp, which has a more slender body. Growth rate and weight growth rate of Allogynogenetic gibel Carp "CAS Ⅲ" were higher than Pengze Crucian Carp after 4 months cultivation. The condition factor has no significant difference between these two test fishes. The results showed that the production performance of Allogynogenetic gibel Carp "CAS Ⅲ" was better than Pengze Crucian Carp and it was suitable for the promotion in Southern China. |
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来源
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淡水渔业
,2011,41(5):83-87 【扩展库】
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关键词
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异育银鲫(Allogynogenetic gibel carp)“中科3号”
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丰产鲫(Pengze crucian carp)
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形态特征
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生长
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地址
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1.
肇庆学院水产研究所, 广东, 肇庆, 526061
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中国科学院水生生物研究所, 武汉, 430060
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语种
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中文 |
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文献类型
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简报 |
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ISSN
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1000-6907 |
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学科
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水产、渔业 |
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基金
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国家农业科技成果转化资金项目
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广东省肇庆市科技计划项目
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国家大宗淡水鱼类产业技术体系
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文献收藏号
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CSCD:4408220
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