キンギョの生殖腺と血清カルシウムおよびマグネシウム

概要

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Using 294 goldfish, serum calcium and magnesium in various degree of gonadal maturation and effect of estradiol on serum calcium and magnesium were investigated, and the following results were obtained.1. Conspicuous elevation of total calcium level was observed in the serum of goldfish injected with estradiol. The elevation of total magnesium level was detected also in the serum of these fish.2. Relationship was observed between the total calcium level in blood serum and ovarian maturation of goldfish. Matured female goldfish showed hypercalcemia. On the contrary, no distinctive relationship was observed between the calcium level in the serum of male goldfish and testicular maturation. Total calcium in the serum of male goldfish was 3.17±0.12 mEq/L on the average.3. Total serum magnesium of male and female goldfish was 1.63±0.12 and 1.50 ±0.07 mEq/L on the average, respectively.