貝類廃棄部の利用に関する研究-1・2-

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The present paper deals with the effect of boiled extracts of Venerupis philippinarum (I), Pecten laqeatus (II), Mactra sachalinensis (III), and Anadara inflata (IV) upon chick ?? rowth, egg production, weight of anterior hypophy ?? is and testis, and length of humerus and femur. All the boiled extracts given at a 3.6% dry basis level showed the same growth promoting effect as the fish meal at 20% level (Table 1). The difference in weight of anterior hypophysis between, the chicks fed the boiled extract of (I) or (II) and the control chicks fed only all-vegetable protein ration. was significant at 5% level (Table 2). The rate of egg production in one-year old hens showed a marked respore e to a supplementation of boiled extract of (I) at 3.6% level (Table 3). In case of 5-month old hens, extracts of (I) and (IV) at a 3.6% level were as effective as the fish meal of a 20% level to an earlier start of egg production and to raise the egg production rate (Table 4).
社団法人日本水産学会の論文