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題名 | Feasibility of Using Micro-coated Diet Fed to Larval Yellow-finned Black Porgy, Acanthopagrus latus (Houttuyn)=烏鯮仔魚餵予生物餌料及微粒包衣飼料時之評估 |
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作者姓名(中文) | 呂明毅; 劉擎華; 吳純衡; | 書刊名 | 臺灣水產學會刊 |
卷期 | 18:4 1991.12[民80.12] |
頁次 | 頁287-294 |
分類號 | 439.5 |
關鍵詞 | 仔魚; 生物; 烏鯮; 微粒包衣; 飼料; 餌料; |
語文 | 英文(English) |
中文摘要 | 本文探討烏?仔魚以微粒包衣飼料(MCD)取代輪蟲及豐年蝦等生物餌料餵飼時,其 對仔魚成長及活存之影響。將2,500尾孵化10天之仔魚飼養於500l的FRP水槽中,利用不 同比例之生物餌料與MCD單獨或混合投餵,每處理兩重覆,飼食試驗為期20天。 結果顯示,單獨或混合投餵之餌料效益間有顯著性差異(p<0.05)。其中以67%的MCD與 33%的生物餌料混合為餌之仔魚成長最好(平均全長9.34+-0.59mm),依次為33%的MCD與 67%的生物餌料混餵者(8.45+-0.82mm)及生物餌料單餵者(7.45+-0.70mm),而以MCD單獨投 餵之成長情形最差(6.74+-0.63mm)。仔魚活存率亦以67%的MCD替代生物餌料時較佳,為 20.8%,依次為單獨投餵生餌料之對照組及33%的MCD替代生物餌料組,分別為15.0%及 9.2%,亦以MCD單獨者最差,僅有7.9%。 |
英文摘要 | A 20-day experiment was conducted to examine the feasibility of feeding yellow-finned black porgy Acanthopagrus latus larvae with micro-coated diet (MCD). Larvae at a density of 5 fish/1(2,500 per 500-liter FRP tank) were fed the following four dietary regimes:100% live foods (rotifer, brachionus plicatilis and/or brineshrimp, Artemia nauplii), 33% MCD and 67% live foods, 67% MCD and 33% live foods and 100% MCD. Each treatment had two replicates. The differences in the growth and survival were significant (p<0.05) among treatments. The best growth (mean total length, 9.34+-0.59mm) was obtained in the larvae fed 67% MCD and 33% live foods , followed by those fed 33% MCD and 67% live foods (8.45+-0.82mm) and the 100%live foods group (7.45+-0.70mm). The larvae fed only MCD showed the poorest growth (6.74+-0.63mm). The best survival rate was also obtained from larvae fed 67% MCD and 33% live foods (20.8%), followed by those fed the 100% live foods (15.0%) and the 33% MCD plus 67% live foods group (9.2%). The larvae fed only MCD also had the lowest survival rate (7.9%). The results indicated that the growth and survival of the larvae could be improved by employing MCD and supplemented with a ralatvely small-amount of live food. It, thus , suggested that prepared MCD can replace a great portion of the conventional live foods used in yellow-finned black porgy larval culture. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。