不同投饲率对陆基圆池养殖大口黑鲈生长及养殖效能的影响

doi:10.14012/j.cnki.fjsc.2022.03.003

渔业研究 ›› 2022, Vol. 44 ›› Issue (3): 223-228.DOI: 10.14012/j.cnki.fjsc.2022.03.003

不同投饲率对陆基圆池养殖大口黑鲈生长及养殖效能的影响

麻艳群¹,司楠¹,介百飞²,程光平^1,3*,江林源²,李坚明^2*,董升辉¹,古昌辉¹,程蔓¹

1. 广西大学动物科学技术学院，广西南宁530004
2.广西水产技术推广站，广西南宁530002
3.广西海洋研究所有限责任公司，广西北海 536000

收稿日期:2022-02-22 修回日期:2022-03-29 出版日期:2022-06-25 发布日期:2022-07-01
通讯作者: 程光平（1956-），男，教授，博士，研究方向为水产生态养殖. E-mail：cgp5@163.com 李坚明（1966-），男，研究员，研究方向为水产养殖尾水处理. E-mail：184183020@qq.com
作者简介:麻艳群（1980-），女，副教授，博士，研究方向为水产动物健康养殖. E-mail：mayanqun@163.com
基金资助:
陆基圆池智能化养殖技术集成创新与示范推广;2021年水产健康养殖、生态养殖和尾水生态治理技术集成与示范项目;陆基圆池智能化养殖技术集成创新与示范推广（桂科AB21220019）

Effects of different feeding rates on growth and efficiency of land-based circular pond culture Micropterus salmoides

Received:2022-02-22 Revised:2022-03-29 Online:2022-06-25 Published:2022-07-01

摘要/Abstract

摘要： 为探究陆基圆池养殖条件下大口黑鲈适宜的日投饲率，试验设置1.6%、1.9%、2.2%、2.5%和2.8%等5个投饲率，实验池水温24.8～26.5℃，以研究不同投饲率对初始体质量为（116.00±10.68）g的大口黑鲈生长及主要养殖效能的影响。结果表明，大口黑鲈的体质量日增重率、特定生长率和单位面积产量均为B5组（日投饲率2.8%）最高，其次为B3组（日投饲率2.2%）；饲料系数和变异系数组间差异不显著（P>0.05）。基于主要生长指标和养殖效能参数的综合评价，在陆基圆池养殖条件下，初始体质量为（116.00±10.68）g的大口黑鲈日投饲率以2.2 %为宜。

关键词: 陆基圆池, 大口黑鲈, 日投饲率, 生长, 养殖效能

Abstract: In order to investigate the optimal daily feeding rates of Micropterus salmoides in land-based circular pond culture, five feeding rates were set as 1.6%, 1.9%, 2.2%, 2.5% and 2.8%, and the water temperature of the experimental pond was set as 24.8℃ to 26.5℃. The effects of different feeding levels on the growth and main breeding efficiency of M. salmoides with initial body weight of (116.00±10.68) g were studied. The results showed that the daily weight gain rate, specific growth rate and output per square meter were the highest in B5 group (daily feeding rate 2.8%), followed by B3 group (daily feeding rate 2.2%). There were no significant differences in feed conversion ratio and coefficient of variation between groups (P>0.05). Based on the comprehensive evaluation of main growth indexes and breeding efficiency parameters, the optimal daily feeding rate of M. salmoides with an initial body weight of (116.00±10.68) g was 2.2% in land-based circular pond culture.

Key words: land-based circular pool, Micropterus salmoides, daily feeding rate, growth, breeding efficiency

中图分类号:

S964.3

麻艳群司楠介百飞程光平江林源李坚明董升辉古昌辉程蔓. 不同投饲率对陆基圆池养殖大口黑鲈生长及养殖效能的影响[J]. 渔业研究, 2022, 44(3): 223-228.

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不同投饲率对陆基圆池养殖大口黑鲈生长及养殖效能的影响

Effects of different feeding rates on growth and efficiency of land-based circular pond culture Micropterus salmoides

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