14種ビタミンの欠乏症について (ニジマスのビタミン要求に関する研究-2,3-)

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The vitamin requirements of rainbow trout, Salmo gairdneri, were qualitatively examined with the fingerings. The vitamin test diet in Table 1 was pelleted, broken into crumbles and fed. The 14 kinds of vitamin, A, D, K, B1, B2, B6, B12, C, nicotinic acid, pantothenic acid, inositol, folic acid, biotin and choline were individually eliminated from the complete diet. Specific deficiency syndromes were observed on the following vitamins, vitamin A, K, B1 B2, B6 and C, pantothenic acid, inositol, folic acid and choline as shown in Figs. 1, 2, 3 and Table 2. These syndromes coincided fairly with those reported by the previous workers. Among the vitamins inducing no deficiency syndromes, nicotinic acid and biotin were determined to be 0.27 γ and 0.01 γ per gram of the basal diet on dry basis, but vitamin D and B12 were not detected.
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