尼罗罗非鱼盐碱选育三代盐碱耐受及生长性能研究

为评估尼罗罗非鱼盐碱选育三代的盐碱耐受性能和生长性能,在淡水水箱(0.6 m×0.4 m×0.5 m)中进行盐碱选育三代鱼苗与对照(非选育群体)盐、碱慢性致死比较试验;同时,在养殖车间水泥池(6.0 m×5.0 m×1.6 m)中,设置淡水、盐度(10 g/L)、盐碱混合[(10,2)g/L、(10,4)g/L和(10,6)g/L]分别用S0A0、S10A0、S10A2、S10A4、S10A6表示5种处理,比较选育三代鱼种在不同盐碱环境中的生长特性。结果表明,选育三代与对照的半致死盐度分别为39.63(±2.12)、31.42(±2.42)g/L,半致死碱度分别为13.94(±0.25)、11...

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Published in广东农业科学 Vol. 44; no. 2; pp. 154 - 159
Main Author 涂翰卿 筴金华 张艳红 任炳琛 赵金良
Format Journal Article
LanguageChinese
Published 上海海洋大学农业部淡水水产种质资源重点实验室,上海,201306%中捷国家级罗非鱼良种场,河北沧州,061108 2017
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ISSN1004-874X
DOI10.16768/j.issn.1004-874X.2017.02.024

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Summary:为评估尼罗罗非鱼盐碱选育三代的盐碱耐受性能和生长性能,在淡水水箱(0.6 m×0.4 m×0.5 m)中进行盐碱选育三代鱼苗与对照(非选育群体)盐、碱慢性致死比较试验;同时,在养殖车间水泥池(6.0 m×5.0 m×1.6 m)中,设置淡水、盐度(10 g/L)、盐碱混合[(10,2)g/L、(10,4)g/L和(10,6)g/L]分别用S0A0、S10A0、S10A2、S10A4、S10A6表示5种处理,比较选育三代鱼种在不同盐碱环境中的生长特性。结果表明,选育三代与对照的半致死盐度分别为39.63(±2.12)、31.42(±2.42)g/L,半致死碱度分别为13.94(±0.25)、11.26(±0.15)g/L;养殖60 d的生长结果表明,处理S10A0、S10A2、S10A4、S10A6随着碱浓度的逐步增加,选育三代与对照日均质量增加率均呈下降趋势,在相同盐碱试验条件下,选育三代日均质量增加率均显著大于对照。
Bibliography:44-1267/S
TU Han-qing1, JIA Jin-hua2, ZHANG Yan-hong2, REN Bing-chen2, ZHAO Jin-liang1 ( 1. Key Laboratory of Freshwater Fisheries Germplasm Resources, Ministry of Agriculture, Shanghai Ocean University, Shanghai 201306, China ; 2. Sino-Czech National Tilapia Seed Farm, Cangzhou 061108, China )
Oreochromis niloticus; the 3rd selected generation; salinity-alkalinity; median lethal concentration; growth
In order to assess the salinity-alkalinity tolerance and growth performance of the 3rd selected generation of Nile tilapia Oreochromis niloticus,chronic salinity-alkalinity lethal test was carried out for the 3rd selected generation of tilapia fingerling and the control group in tanks of 0.6 m× 0.4 m × 0.5 m. And 60 days growth trail were carried out in cement tanks of each 6.0 m×5.0 m×1.6 m for the 3rd selected generation and the five control groups reared in fresh water( S0A0 group) ,salinity group( 10 g/L,S10A0 group) and different salinity-alkalinity waters( 10,2) g/L,S10A2 group;(10,4) g/L,S10A4 group;and( 10,
ISSN:1004-874X
DOI:10.16768/j.issn.1004-874X.2017.02.024