クルマエビ生殖腺成熟におよぼす親エビ飼料中のL-アスコルビル-2-リン酸マグネシウムの影響

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タイトル別名
  • Effect of Dietary L-Ascorbyl-2-phosphate Magnesium on Gonadal Maturation of Penaeus japonicus.
  • クルマエビ生殖腺成熟におよぼす親エビ飼料中のL-アスコルビルー2-リン酸マグネシウムの影響〔英文〕
  • クルマエビ セイショクセン セイジュク ニ オヨボス オヤ エビ シリョウチュ

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P. japonicus (mean weight: female, 22.69±1.36g; male, 20.51±1.50g) were fed semi-purified diets containing either 0, 500, 1000, or 1500 mg L-ascorbyl-2-phosphate magnesium (APM) as an ascorbic acid (AsA) source per kg dry diet for 170 days to investigate their effects on growth, survival, and gonadosomatic index (GSI). Female prawns were unilaterally eyestalk-ablated on the 126th day of the experiment.<br>The female prawns fed with an APM deficient diet had reduced resistance to changes which incurred through eyestalk ablation. Before eyestalk ablation, the survival of females fed with an APM deficient diet was 100%; however, after ablation, high mortalities were observed. The GSI of ablated females receiving 500 or 1000mg APM/kg diet were significantly higher (P<0.05) than those fed with 1500mg. A level of 500mg APM/kg diet was sufficient to promote good growth and survival in male prawns. The GSI of males fed with an APM-deficient diet was not significantly different from those fed with 500 or 1000mg APM/kg diets. Prawn tissue AsA concentrations increased linearly with dietary levels of APM. AsA concentrations of female ovaries were higher than those of the male gonad.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 59 (4), 691-696, 1993

    公益社団法人 日本水産学会

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