驯食强度对鳡幼鱼驯食效果及生长的影响

doi:10.11924/j.issn.1000-6850.2014-1690

中国农学通报 ›› 2015, Vol. 31 ›› Issue (2): 85-90.doi: 10.11924/j.issn.1000-6850.2014-1690

所属专题：水产渔业

驯食强度对鳡幼鱼驯食效果及生长的影响

王昆鹏,樊启学,赵忠波,刘汝鹏,何辉,胡培培

(华中农业大学水产学院,武汉 430070）

收稿日期:2014-06-16 修回日期:2014-06-16 接受日期:2014-09-05 出版日期:2015-03-19 发布日期:2015-03-19
通讯作者: 王昆鹏/吴巧婉
基金资助:
国家科技支撑计划项目(2012BAD25B08)。

Effects of Weaning Intensity on Weaning Effects and Growth of Juvenile Elopichthys bambusa

Wang Kunpeng, Fan Qixue, Zhao Zhongbo, Liu Rupeng, He Hui, Hu Peipei

(College of Fisheries, Huazhong Agricultural University, Wuhan 430070)

Received:2014-06-16 Revised:2014-06-16 Accepted:2014-09-05 Online:2015-03-19 Published:2015-03-19

摘要/Abstract

摘要： 研究了驯食强度对鳡（Elopichthys bambusa）驯食成功率(WSR)、残食率(CR)、死亡率(MR)及生长的影响。实验分6组，于1.0×1.0×1.0 m³网箱中进行，每日驯食2次，驯食强度分别为每次驯食1.0 h（S1组）、1.5 h（S2组）、2.0 h（S3组）、2.5 h（S4组）、3.0 h（S5组）和4.0 h（S6组）。结果显示：WSR随着驯食强度的增强显著升高后降低(P<0.05)；总CR随着驯食强度的增加而显著降低(P<0.05)；总MR随着驯食强度的增加先降低后略有升高。实验终期，体重特定生长率(SGR_BW)，全长特定生长率(SGR_TL)和肥满度(CF)随驯食强度的增强显著增大(P<0.05)；体重变异系数(CV_BW)随驯食强度增加显著减小(P<0.05)。综上所述，在实验条件下，鳡最佳驯食强度为每次驯食3 h。

关键词: 青贮品质, 青贮品质

Abstract: The present study aimed to investigate the effect of weaning intensity on the weaning success rate (WSR, %), cannibalism rate (CR, %), mortality rate (MR, %), and growth of juvenile Elopichthys bambusa. Six triplicate groups were assigned in the net cages (1.0×1.0×1.0 m³) with different weaning intensity of 1.0 h（S1）、1.5 h(S2)、2.0 h(S3)、2.5 h(S4)、3.0 h(S5)and 4.0 h(S6) twice a day. The experiment was carried out for 28 days .The results showed that WSR increased remarkably and then decreased with the strengthening of weaning intensity(P<0.05), total CR decreased remarkably with the strengthening of weaning intensity(P<0.05). Total MR decreased initially and then increased slightly with the strengthening of weaning intensity. At the end of the experiment, specific growth rate of body weight (SGR_BW, %), specific growth rate of total length (SGR_TL, %) and condition factor (CF, %) increased remarkably with the strengthening of weaning intensity(P<0.05). The variation coefficient of body weight (CV_BW, %) decreased remarkably with the strengthening of weaning intensit(P<0.05). In conclusion, under this experimental condition, the best weaning intensity for Elopichthys bambusa was weaning three hours each time.

王昆鹏,王昆鹏/吴巧婉,樊启学,赵忠波,刘汝鹏,何辉,胡培培. 驯食强度对鳡幼鱼驯食效果及生长的影响[J]. 中国农学通报, 2015, 31(2): 85-90.

Wang Kunpeng,,Fan Qixue,Zhao Zhongbo,Liu Rupeng,He Hui and Hu Peipei. Effects of Weaning Intensity on Weaning Effects and Growth of Juvenile Elopichthys bambusa[J]. Chinese Agricultural Science Bulletin, 2015, 31(2): 85-90.

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驯食强度对鳡幼鱼驯食效果及生长的影响

Effects of Weaning Intensity on Weaning Effects and Growth of Juvenile Elopichthys bambusa

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