宁夏地区斑点叉尾鮰工厂化繁育试验研究
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摘要
为了探索斑点叉尾鮰在宁夏地区人工繁育技术的适宜条件,针对宁夏地区斑点叉尾鮰人工繁殖及苗种培育技术需求,分别开展了不同催产素配组及亲鱼人工配组的方法对斑点叉尾鮰催产率的影响、不同孵化温度对受精卵孵化率的影响及斑点叉尾鮰当年苗种培育试验。结果显示:水温23. 5℃条件下,使用催产药物可以使斑点叉尾鮰亲鱼在相对集中的时间段内产卵,且使用组合药物的催产率优于单纯使用一种药物的催产率,但是催产效果不明显。人工辅助配组产卵与池塘自然产卵相比,人工辅助配组产卵可以提高亲鱼的产卵率;斑点叉尾鮰受精卵最适人工孵化温度为24℃～26℃;适宜产卵温度为23℃～27℃。鱼种培育试验表明:斑点叉尾鮰在宁夏地区一龄鱼种生长比较快,从乌仔到一龄鱼种培育阶段建议放养密度在37. 5万尾/hm~2～45万尾/hm~2为宜。
In order to explore the suitable conditions for artificial breeding technology of Ictalurus punctatus in Ningxia,specific to technical requirements for artificial breeding and seed rearing,some experiments,for example,effects of different oxytocin combinations and artificial parent fish combinations on reproduction rate,hatching temperature on hatching rate of fertilized eggs and seed rearing experiment in that year of Ictalurus punctatus were carried out. The result showed that the use of oxytocic drugs enabled the Ictalurus punctatus to spawn in relatively concentrated time when the water temperature was 23. 5 ℃,and the combination of drugs was better than the use of a single drug to spawn,but the effect was not obvious. Compared with natural spawning in ponds,artificial spawning could increase the spawning rate of parent fish,the optimum incubation temperature for fertilized eggs was 24 ℃-26 ℃,and the suitable spawning temperature was 23 ℃-27 ℃.Seed rearing experiment showed that the one-year-old seed grew fast,and from larva to one-year-old seed,the optimum stocking density of the Ictalurus punctatus was 375 000-450 000 fishes/hm~2 in Ningxia.
In order to explore the suitable conditions for artificial breeding technology of Ictalurus punctatus in Ningxia,specific to technical requirements for artificial breeding and seed rearing,some experiments,for example,effects of different oxytocin combinations and artificial parent fish combinations on reproduction rate,hatching temperature on hatching rate of fertilized eggs and seed rearing experiment in that year of Ictalurus punctatus were carried out. The result showed that the use of oxytocic drugs enabled the Ictalurus punctatus to spawn in relatively concentrated time when the water temperature was 23. 5 ℃,and the combination of drugs was better than the use of a single drug to spawn,but the effect was not obvious. Compared with natural spawning in ponds,artificial spawning could increase the spawning rate of parent fish,the optimum incubation temperature for fertilized eggs was 24 ℃-26 ℃,and the suitable spawning temperature was 23 ℃-27 ℃.Seed rearing experiment showed that the one-year-old seed grew fast,and from larva to one-year-old seed,the optimum stocking density of the Ictalurus punctatus was 375 000-450 000 fishes/hm~2 in Ningxia.
引文
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[25]江林源.广西地区斑点叉尾鮰人工繁殖试验[J].水利渔业,2006(03):48-49.
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[27]陈春才,李建,蔡云飞,等.斑点叉尾鮰亲鱼培育和繁殖期管理应掌握的技术环节[J].中国水产,2006(3):40-41.
[28]余卫忠.斑点叉尾鮰一龄鱼种培育技术[J].中国水产,2011(7):34-36.
[29]向建国,周进,金宏.斑点叉尾鮰的生物学与生理生化特性研究[J].湖南农业大学学报(自然科学版),2004(4):355-358.
[30]郭志文.斑点叉尾鮰养殖病害防治[J].渔业致富指南,2017(14):52-55.
[31]陶建军.斑点叉尾鮰产业发展情况综述[J].渔业致富指南,2017(13):14-17.
[32]刘晶.斑点叉尾鮰温室高产养殖试验[J].黑龙江水产,2016(4):24-26.
[2]韩军,袁信华,过世东,等.从斑点叉尾鮰鱼头中提取明胶的预处理工艺研究[J].食品与发酵工业,2007(12):88-93.
[3]王广军.我国大陆斑点叉尾鮰养殖现状分析[J].渔业致富指南,2006(15):11-13.
[4]张军英,罗锐彬.斑点叉尾鮰池塘养殖技术[J].中国畜牧兽医文摘,2013,29(6):72.
[5]秦战营.斑点叉尾鮰池塘养殖商品鱼高产高效技术[J].河南水产,2012(1):12-15.
[6]窦永芳,文生萍.浅谈斑点叉尾鮰池塘养殖技术[J].科技风,2018(29):202.
[7]赵宪钧.斑点叉尾鮰水库网箱养殖技术的推广与应用[J].河南水产,2016(5):9-11.
[8]贺明婷.斑点叉尾鮰网箱养殖技术研究[J].现代农业科技,2015(2):273-278.
[9]孙冰.水库斑点叉尾鮰网箱养殖技术[J].现代农业科技,2011(11):341.
[10]汪谦荣,涂必柱.斑点叉尾鮰商品鱼网箱养殖技术[J].渔业致富指南,2011(10):39-40.
[11]孙建,宋文会.斑点叉尾鮰高密度流水养殖技术研究[J].水产养殖,2005,26(5):19-20.
[12]敖礼林.斑点叉尾鮰无公害成鱼池塘高效养殖技术[J].渔业致富指南,2017(6):40.
[13]姜翠萍,石天喜,缪丽梅,等.北方地区斑点叉尾鮰无公害养殖技术[J].内蒙古农业科技,2013(5):116-117.
[14]刘羽清,卢红.斑点叉尾鮰的苗种繁育技术[J].河北渔业,2008(9):40-41.
[15]牛满津.人工繁殖技术在斑点叉尾鮰的应用[J].生物技术世界,2013(3):59.
[16]许小兰.斑点叉尾鮰人工繁殖试验技术总结[J].渔业致富指南,2010(16):30-31.
[17]王治铭,张建铭.斑点叉尾鮰人工繁殖技术试验总结[J].科学种养,2012(1):38-39.
[18]丁丽萍,朱恩华,张家海,等.斑点叉尾鮰规模化繁育技术[J].江西水产科技,2010(1):33-36.
[19]陈奇.斑点叉尾鮰鱼种培育高产高效技术[J].齐鲁渔业,2007(6):17-18.
[20]敖礼林.斑点叉尾鮰无公害成鱼池塘高效养殖技术[J].渔业致富指南,2017(6):40.
[21]董桂芳,胡振雄,黄峰,等.投喂频率对斑点叉尾鮰幼鱼生长、饲料利用和鱼体组成的影响[J].渔业现代化,2012,39(2):48-53.
[22]马爱林.斑点叉尾鮰人工催产技术[J].内陆水产,2006(12):32.
[23]郑伟力,孙利军,刘德建,等.斑点叉尾鮰繁育试验报告[J].齐鲁渔业,2008(3):33-35.
[24]黄二春,余炳基,朱勇夫,等.斑点叉尾鮰人工催产技术与效果[J].内陆水产,2005(4):8-9.
[25]江林源.广西地区斑点叉尾鮰人工繁殖试验[J].水利渔业,2006(03):48-49.
[26]郭海山.燕山水库大规格网箱养殖斑点叉尾鮰试验[J].河北渔业,2012(11):28-29.
[27]陈春才,李建,蔡云飞,等.斑点叉尾鮰亲鱼培育和繁殖期管理应掌握的技术环节[J].中国水产,2006(3):40-41.
[28]余卫忠.斑点叉尾鮰一龄鱼种培育技术[J].中国水产,2011(7):34-36.
[29]向建国,周进,金宏.斑点叉尾鮰的生物学与生理生化特性研究[J].湖南农业大学学报(自然科学版),2004(4):355-358.
[30]郭志文.斑点叉尾鮰养殖病害防治[J].渔业致富指南,2017(14):52-55.
[31]陶建军.斑点叉尾鮰产业发展情况综述[J].渔业致富指南,2017(13):14-17.
[32]刘晶.斑点叉尾鮰温室高产养殖试验[J].黑龙江水产,2016(4):24-26.