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Original Article

Effects of Noise and Vibration on Oxygen Consumption and Ammonia Excretion in Cultured Catfish (Silurus asotus)

양식장에서 사육하는 메기 (Silurus asotus)의 산소소비 및 암모니아 배설에 미치는 소음진동 영향

Jun Wook Hur1*
,
Jeong Yeol Lee2
,
Jin Chul Joo3
허 준욱1*
,
이 정열2
,
주 진철3
1Bio-Monitoring Center
2Institute of International Fisheries Science and Industrt, Hanseo University
3Civil and Environmental Engineering, Hanbat National University, Republic of Korea
1생물모니터링센터
2한서대학교
3한밭대학교
* 교신저자* Corresponding Author
30 June 2018. pp. 105-109
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Abstract

The main objective of this investigation was to examine oxygen consumption and ammonia excretion within cultured catfish, Silurus asotus (22.9±0.9 cm, 100.7±11.7 g n=30) by noise and vibration stress in aquaculture farm. The vibration of 48, 58 and 68 dB (V) and noise of 77.6±1.8 dB (A) from an electric vibrator was turned on for 15 minutes during each hour each day(0800-1800) for 11 days experimental period. The oxygen consumption (OC) of S. asotus the beginning of the experiment (0 day) in 58 dB group after 1, 5, 9 and 11 days was decreased 21.8, 30.2, 36.0 and 53.2%, respectively. In 68 group after 1, 7 and 11 days was decreased 22.7, 35.1 and 57.7%, respectively. The OC decreased exponentially and the relationship between them was expressed as OC = 0.374D+90.762 (r2=0.048) at 48 dB, OC = -3.581D+89.520 (r2=0.831) at 58 dB and OC = -4.109D+90.907 (r2=0.884) at 68 dB. Ammonia excretion (AE) of the beginning of the experiment in 48, 58 and 68 groups after 1 day was increased by 34.8, 51.8 and 63.2%, respectively, but it was decreased significantly from 3 to 11 days. The AE increased exponentially and the relationship between them was expressed as AE = -1.646D+115.915 (r2=0.265) at 48 dB, AE = -8.230D+122.132 (r2=0.750) at 58 dB and AE = -7.086D+123.690 (r2=0.614) at 68 dB.

Keywords
Ammonia Excretion
Catfish
Oxygen consumption
Silurus asotus
Vibration stress

진동 스트레스에 따른 양식 메기 (Silurus asotus)의 산소소비량 및 암모니아 배설량을 분석하였다. 연구에 사용된 메기의 평균전장은 22.9±0.9 cm (±SD, n=30), 평균체중은 100.7±11.7 g (±SD, n=30) 이었다. 진동 자극은 특수 제작한 진동기를 이용하여 48, 58 및 68 dB (V)이었으며, 이때의 소음은 77.6±1.8 dB (A) 크기를 주었다. 진동은 타임머를 이용하여 주간(08:00-18:00)에 15분 간격으로 11일간 계속하여 스트레스를 가하였다. 메기의 산소소비량 변화는 58 dB (V) 그룹에서 진동 후 1, 5, 9 및 11일째에 각각 21.8, 30.2, 36.0 및 53.2% 감소하는 것으로 나타났다. 68 dB (V) 그룹에서는 1, 7, 및 11일째에 각각 22.7, 35.1 및 57.7% 감소하였다. 48, 58 및 68 dB 그룹에서 진동 자극 경과일수(D)에 따른 식은 각각 직선식으로 OC = 0.374D+90.762 (r2=0.048), OC = -3.581D+89.520 (r2=0.831) 및 OC = -4.109D+90.907 (r2=0.884)이었다. 암모니아 배설량은 48, 58 및 68 dB (V) 그룹에서 진동후 1일째에 각각 34.8, 51.8 및 63.2% 감소하는 것으로 나타났다. 48 및 58 dB (V) 그룹은 진동 3일째부터 11일째까지 유의한 차이를 보이지 않았다. 반면 68 dB (V) 그룹은 1, 3, 5, 7, 9 및 11일째에 진동전(0일째)과 비교하여 유의하게 감소한 것으로 나타났다. 진동 48 dB, 58 dB 및 68 dB에서의 진동 경과 일수에 대한 암모니아배설량 감소율은 직선식으로 각각 AE = -1.646D+115.915 (r2=0.265), AE = -8.230D+122.132 (r2=0.750) 및 AE = -7.086D+ 123.690 (r2=0.614)로 나타났다.

키워드
암모니아배설
메기
산소소비
Silurus asotus
진동스트레스
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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 : 5
  • No :2
  • Pages :105-109
  • Received Date : 2018-05-28
  • Revised Date : 2018-06-14
  • Accepted Date : 2018-06-14
  • DOI :https://doi.org/10.17820/eri.2018.5.2.105
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