Artemia の出産様式と温度および飼料との関係
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概要
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Reproductive patterns of Artemia (bisexual California strain and parthenogenetic Chang-dao strain) were studied. Shrimps of both strains were fed with unicellular green algae every other day of once a week and reared at 15, 25 or 32℃, respectively. It was found that each female in both strains randomly produced nauplii and eggs during her reproductive periods. A marked decrease in fecundity of shrimps kept at 32℃ was found. When the shrimp (California strain) was fed with yeast or TetraMin (food for tropical fish, Kordon Co., U.S.A.) at 25℃, she also produced nauplii and eggs, but the fecundity remarkably decreased. Under the present conditions, it is concluded that a female of Artemia can produce both nauplii by ovoviviparous broods and eggs by oviparous broods randomly during her reproductive periods.
- 社団法人日本動物学会の論文
- 1976-09-25
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