Effects of body weight on the growth and physiology of Salmo salar L. during smoltification
To study the effects of body weight on growth and physiological response mechanism of S.salar, fish of three average body weights were selected: 30.25 +/- 2.12g (SW1), 24.27 +/- 1.59g (SW2) and 18.05 +/- 2.46g (SW3). Condition factor, daily weight gain and feed conversion efficiency were significant...
Published in: | Aquaculture Research |
---|---|
Main Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
2017
|
Subjects: | |
Online Access: | http://ir.qdio.ac.cn/handle/337002/136704 https://doi.org/10.1111/are.13066 |
id |
ftchinacasciocas:oai:ir.qdio.ac.cn:337002/136704 |
---|---|
record_format |
openpolar |
spelling |
ftchinacasciocas:oai:ir.qdio.ac.cn:337002/136704 2023-05-15T18:09:49+02:00 Effects of body weight on the growth and physiology of Salmo salar L. during smoltification Zhang Mo Gao Xiaolong Li Xian Liu Ying 2017-05-01 http://ir.qdio.ac.cn/handle/337002/136704 https://doi.org/10.1111/are.13066 英语 eng AQUACULTURE RESEARCH Zhang Mo,Gao Xiaolong,Li Xian,et al. Effects of body weight on the growth and physiology of Salmo salar L. during smoltification[J]. AQUACULTURE RESEARCH,2017,48(5):2303-2315. http://ir.qdio.ac.cn/handle/337002/136704 doi:10.1111/are.13066 Salmo Salar l Smoltification Body Weight Growth Index Physiological And Biochemical Index Hormone Indexes Article 期刊论文 2017 ftchinacasciocas https://doi.org/10.1111/are.13066 2022-06-27T05:37:57Z To study the effects of body weight on growth and physiological response mechanism of S.salar, fish of three average body weights were selected: 30.25 +/- 2.12g (SW1), 24.27 +/- 1.59g (SW2) and 18.05 +/- 2.46g (SW3). Condition factor, daily weight gain and feed conversion efficiency were significantly higher in the SW2 group compared with the other treatment groups (P<0.05). Food conversion ratio decreased with increasing body weight, and weight and specific growth rate of body length were highest in the SW2 group (P<0.05). Larger fish (SW1 and SW2) had higher haemoglobin concentration and number of red blood cells. The number of white blood cells, lymphocytes and neutrophils were greatest in the SW3 group (P<0.05), suggesting that these fish had strong resistance to disease. The content of total protein, albumin and urea were significantly higher in the SW2 group compared with other groups (P<0.05). The concentration of total cholesterol and triglyceride increased with increasing body size (P<0.05). Hormone (T3 and T4) levels first increased significantly and then decreased in fish of various sizes (P<0.05), and the concentration of cortisol rose, fell and then rose again in SW1 and SW2 groups. Light affected the endocrine activity of S.salar by influencing the growth performance of the fish, and smaller sized fish exhibited decreased smoltification rate and a reduced success rate of smoltification. Based on these findings, S.salar weighing about 24g were chosen to begin the process of smoltification. Article in Journal/Newspaper Salmo salar Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR Aquaculture Research 48 5 2303 2315 |
institution |
Open Polar |
collection |
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR |
op_collection_id |
ftchinacasciocas |
language |
English |
topic |
Salmo Salar l Smoltification Body Weight Growth Index Physiological And Biochemical Index Hormone Indexes |
spellingShingle |
Salmo Salar l Smoltification Body Weight Growth Index Physiological And Biochemical Index Hormone Indexes Zhang Mo Gao Xiaolong Li Xian Liu Ying Effects of body weight on the growth and physiology of Salmo salar L. during smoltification |
topic_facet |
Salmo Salar l Smoltification Body Weight Growth Index Physiological And Biochemical Index Hormone Indexes |
description |
To study the effects of body weight on growth and physiological response mechanism of S.salar, fish of three average body weights were selected: 30.25 +/- 2.12g (SW1), 24.27 +/- 1.59g (SW2) and 18.05 +/- 2.46g (SW3). Condition factor, daily weight gain and feed conversion efficiency were significantly higher in the SW2 group compared with the other treatment groups (P<0.05). Food conversion ratio decreased with increasing body weight, and weight and specific growth rate of body length were highest in the SW2 group (P<0.05). Larger fish (SW1 and SW2) had higher haemoglobin concentration and number of red blood cells. The number of white blood cells, lymphocytes and neutrophils were greatest in the SW3 group (P<0.05), suggesting that these fish had strong resistance to disease. The content of total protein, albumin and urea were significantly higher in the SW2 group compared with other groups (P<0.05). The concentration of total cholesterol and triglyceride increased with increasing body size (P<0.05). Hormone (T3 and T4) levels first increased significantly and then decreased in fish of various sizes (P<0.05), and the concentration of cortisol rose, fell and then rose again in SW1 and SW2 groups. Light affected the endocrine activity of S.salar by influencing the growth performance of the fish, and smaller sized fish exhibited decreased smoltification rate and a reduced success rate of smoltification. Based on these findings, S.salar weighing about 24g were chosen to begin the process of smoltification. |
format |
Article in Journal/Newspaper |
author |
Zhang Mo Gao Xiaolong Li Xian Liu Ying |
author_facet |
Zhang Mo Gao Xiaolong Li Xian Liu Ying |
author_sort |
Zhang Mo |
title |
Effects of body weight on the growth and physiology of Salmo salar L. during smoltification |
title_short |
Effects of body weight on the growth and physiology of Salmo salar L. during smoltification |
title_full |
Effects of body weight on the growth and physiology of Salmo salar L. during smoltification |
title_fullStr |
Effects of body weight on the growth and physiology of Salmo salar L. during smoltification |
title_full_unstemmed |
Effects of body weight on the growth and physiology of Salmo salar L. during smoltification |
title_sort |
effects of body weight on the growth and physiology of salmo salar l. during smoltification |
publishDate |
2017 |
url |
http://ir.qdio.ac.cn/handle/337002/136704 https://doi.org/10.1111/are.13066 |
genre |
Salmo salar |
genre_facet |
Salmo salar |
op_relation |
AQUACULTURE RESEARCH Zhang Mo,Gao Xiaolong,Li Xian,et al. Effects of body weight on the growth and physiology of Salmo salar L. during smoltification[J]. AQUACULTURE RESEARCH,2017,48(5):2303-2315. http://ir.qdio.ac.cn/handle/337002/136704 doi:10.1111/are.13066 |
op_doi |
https://doi.org/10.1111/are.13066 |
container_title |
Aquaculture Research |
container_volume |
48 |
container_issue |
5 |
container_start_page |
2303 |
op_container_end_page |
2315 |
_version_ |
1766182483054821376 |