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頁籤選單縮合
題名 | Embryonic and Larval Development of the Striped Snakehead Channa Striatus=紋鱧胚胎與仔魚的發育 |
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作 者 | Marimuthu, K.; Haniffa, M. A.; Marimuthu, K.; Haniffa, M. A.; | 書刊名 | Taiwania |
卷期 | 52:1 2007.03[民96.03] |
頁次 | 頁84-92 |
分類號 | 387.101 |
關鍵詞 | 紋鱧; 早期胚胎; 仔魚發育; 變態; Channa striatus; Early embryonic; Larval development; Metamorphosis; |
語文 | 英文(English) |
DOI引用網址 | 10.6165/tai.2007.52(1).84 |
中文摘要 | 這研究在闡述紋鱧(Channa striatus)從受精卵到變態成稚魚的胚胎與仔魚發育過程。紋鱧在注射合成激素ovaprim後(體重每公斤注射0.5 mL)即養在實驗室中,在注射激素後24-26小時會開始產卵,受精卵成淡黃色,是浮性卵且不附著,平均直徑1.20-1.40 mm。培養在溫度攝氏29±1℃中,受精卵在23-24小時後孵化,平均孵化率80-85%,剛孵化的仔魚3.4±0.2 mm 長,卵黃在孵化後三天完全吸收掉。孵化後20天內,仔魚會變態成稚魚。 |
英文摘要 | The present study elucidated the embryonic and larval development of snakehead Channa striatus from fertilization until metamorphosis. The snakehead was successfully bred in the laboratory by injecting ovaprim, a synthetic hormone (0.5 mL/kg body weight). Spawning took place 24-26 hrs after the hormone injection. The fertilized eggs were floating, non-adhesive and straw yellow in color. The average diameter of fertilized eggs ranged from 1.20-1.40 mm. Incubation periods was about 23-24 hr at a temperature of 29±1°C. The percentage of hatching varied from 80-85. The newly hatched larva was 3.4±0.2 mm in length. The yolk absorption was completed within three days after hatching. The larvae metamorphosed into juveniles within 20 days after hatching. |
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