Journal of Aquaculture (한국양식학회지)

The Korean Society of Fisheries and Aquatic Science (한국양식학회)
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Effect of Vibration Stress on the Oxygen Consumption, Ammonia Excretion and Blood Characteristics of the Cultured Eel, Anguilla japonica

뱀장어, Anguilla japonica의 산소소비, 암모니아 배설 및 혈액성상에 미치는 진동의 영향

  • 이정열 (군산대학교 해양생명과학부) ;
  • 허준욱 (한국해양대학교 해양과학기술연구소)
  • Published : 2004.11.01
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Abstract

Physiological responses (oxygen consumption, ammonia excretion, hemoglobin, red blood cell and white blood cell) of cultured eel, Anguilla japonica to vibration stress were studied in an indoor experimental system. Vibration of 76-93 dB (V) from an electric vibrator was provided in 15-minute intervals during daytime (0800-1800) over a ten day period. Oxygen consumption before the beginning of the experiment (0 day) was 83.9 mg $O_2$$.$kg$^{-1}$ ㆍhr$^{-1}$ . After 1, 5 and 10 days of stress respiration rate decreased by 37.5, 53.7 and 70.5%, respectively. Ammonia excretion showed a similar pattern to that of oxygen consumption. Ammonia excretion decreased by 80.1 % following 10 days of vibration stress. Blood hemoglobin concentration also decreased at 1, 3 and 10th day were 29.4% on day 1,83.9% on day 3 and 87.9% by day 10, while red blood cell counts at day 1 and day 10th were 59.8% and 84.7% lower than initial counts, respectively. The white blood cell count increased by 191.2% at day 7, dropping to 41.5% at day 10. Physiological activity was reduced by 50% following 3.4 days of vibration stress.

Keywords

References

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