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NTIS 바로가기Korean journal of Ichthyology = 한국어류학회지, v.31 no.4, 2019년, pp.201 - 207
김혜진 (국립수산과학원 남동해수산연구소) , 이희중 (국립수산과학원 남동해수산연구소) , 김원진 (국립수산과학원 남동해수산연구소) , 신윤경 (국립수산과학원 남동해수산연구소)
Temperature is one of the most important criteria considered in species preference for aquaculture. Acute drop in temperature during winter is a cause of disease and mass mortality in farmed fish. This study was carried out the low water temperature tolerance, oxygen consumption, hematologic and his...
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핵심어 | 질문 | 논문에서 추출한 답변 |
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수온이 양식어류에게 미치는 영향은 무엇인가? | 수온은 양식어류의 생존에 영향을 미치는 가장 주요한 환경 요인이며, 겨울철 급작스런 수온 하강은 양식어류의 질병과 집단폐사 발생의 요인이 되기도 한다. 본 연구는 겨울철 수온 하강으로 인해 빈번하게 폐사가 발생하고 있는 말쥐치의 양식관리를 위한 기초자료로 활용하기 위해 말쥐치의 하한수온내 성범위, 산소소비율, 혈액학적 및 조직학적 반응을 조사하였다. | |
수온 하강에 따른 말쥐치의 생존에 대한 결과는? | 1과 Table 1에 나타내었다. 수온 5°C와 6°C에 노출시킨 경우 수온 5°C에서는 노출 3일째, 수온 6°C에서는 노출 4일째 모두 폐사하였으며, 수온 8°C에서는 실험기간 동안 폐사 개체는 관찰되지 않았다. 각 실험수온에 노출시킨 기간 동안 말쥐치의 저수온에 대한 반수치사 수온은(LT50) 6. | |
어류에게 적정한 수온이란? | , 2010). 어류에게 적정한 수온은 종특이적 반응이며, 이는 연령, 무게, 먹이섭취능력, 계절, 수질, 광도 및 서식밀도에 따라 변화할 수 있다(Wedemeyer et al., 1999; González et al. |
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