NUTRITIONAL LIVER DISEASE OF CULTURED YELLOWTAIL, SERIOLA QUINQUERADIATA, CAUSED BY FEED DEFICIENCY

양식 방어의 사료에 의한 영양성간질병에 대하여

When frozen sandeel Ammodytes personatus which had been stored for a long time, was given to yellowtail for 70 to 80 days, some mortality of the rearing fish began to appear. The liver of the diseased fish showed some yellowish brown discoloration and histopathological study revealed that fatty degeneration of the liver cells was obvious, and this degeneration was especially heavy around bile-duct. The cell nuclei showed atrophy.

장기간 냉동 보존한 까나리를 해수에 녹여서 양식 방어에 투여한 결과 $70\~50$일만에 방어가 죽기 시작했다. 죽은 방어를 해부하여 관찰한 결과 간의 변성이 일어나고 있었다. 간의 병리조직학적 소견은 간실질세포의 붕괴와 융합된 부분이 많이 나타났다.