養殖魚の栄養性ミオパチー症候群に関する研究 - IX : ブラウンミールで飼育したコイの病理組織像

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In recent years, the quality of white fish meal for fish diets has become poor because of the decreased quantity of crude protein. On the other hand, quality of brown meal has become improved and its production has increased significantly. In the present study, there differnt types of diets including brown meal (sardine whole body) were provided. Diet-1 was vitamin E free, included brown meal with a low level of crude protein and was exposed to sun-rays for 5 days after mixture. Diet-2 was vitamin E free, included brown meal with a high level of crude protein and was exposed to sun-rays for 5 days after mixture. Diet-3 was vitamin E free and incleded brown meal with the low level of crude protein and sun-ray exposure for 5 days. These diets including the deteriorated meal were fed to carp for 160 days. Carp fed the diet-1 showed good weight gain but on histopathological examination, the red and pink musculature displayed slight to moderate vacuolar degeneration of muscle fibers, and white muscle fibers showed atrophy and necrosis.Carp fed the diet-2 showed good weight gain and only slight vacuolar degeneration of the red and pink muscle fibers. Carp fed the diet-3 showed less weight gain and extensive vacuolar degeneration of the red and pink muscle fibers. A feeding examination was also conducted on the control carp with a diet including white fish meal and vitamin E. The carp showed less weight gain but no obvious pathological change. The results of this study indicate that brown meal is usable for fish diets unless it will be severely deteriorated.
三重大学水産学部の論文
1985-10-01

養殖魚の栄養性ミオパチー症候群に関する研究 - IX : ブラウンミールで飼育したコイの病理組織像

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