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2015 Vol.2, Issue 4 Preview Page
Physiological Responses to Three Different Levels of Vibration Stress in Catfish, Silurus asotus
Jun Wook Hur1*
,
Dae Hee Kim2
,
Jeong-Yeol Lee3
,
,
1Bio-Monitoring Center
2Inland Fisheries Research Institute, National Institute of Fisheries Science
3School of Marine Life Science, Kunsan National University
*교신저자. *Corresponding Author. 
31 December 2015. pp. 337-344
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Abstract

The purpose of this study is to determine the effects of vibration on primary (e.g. plasma cortisol), secondary (e.g. plasma glucose, aspartate aminotransferase (AST), alanine aminotransferase (ALT), Na+, K+ and Cl–) and tertiary (e.g. mortality) stress responses in cultured catfish, Silurus asotus. For this purpose, three groups (one control group and two stress groups) were set up. The control group was exposed to vibration corresponding to 48 decibel (dB) volt (V) (produced using electric vibrators) for 15 minutes per hour every day, and the two stress groups were exposed to vibrations corresponding to 58 and 68 dB (V) (produced using the same electric vibrators), equally, for 15 minutes per hour every day. Blood was sampled at day 0 (before starting vibration stress tests), and at days 1, 3, 5, 7, 9 and 11 (after starting vibration stress tests). According to the results, the catfish physiologically showed ''typical'' stress responses when they were exposed to chronic vibration. This indicates that such chronic vibration caused substantial stress to catfish; especially, persistently elevated plasma AST and ALT levels observed caused adverse effects to them. In conclusion, chronic vibration could significantly affect hematological characteristics in catfish.

Keywords
Catfish
Silurus asotus
Stress response
Vibration stress

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Information
  • Publisher :Korean Society of Ecology and Infrastructure Engineering
  • Publisher(Ko) :응용생태공학회
  • Journal Title :Ecology and Resilient Infrastructure
  • Journal Title(Ko) :응용생태공학회 논문집
  • Volume : 2
  • No :4
  • Pages :337-344
  • Received Date : 2015-12-10
  • Revised Date : 2015-12-18
  • Accepted Date : 2015-12-20
  • DOI :https://doi.org/10.17820/eri.2015.2.4.337
Journal Informaiton Ecology and Resilient Infrastructure Ecology and Resilient Infrastructure
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