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水產研究(1993年創刊)

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  • 日期: 2019-07-19
水產研究(1993年創刊)-豹鱠魚苗中間育成研究
主題: 豹鱠魚苗中間育成研究
摘要(中):
本研究旨在探討人工繁殖之豹鱠 (Plectropomus leopardus) 魚苗的中間育成模式,俾利加速此魚的養殖產業發展。試驗幼苗共3,000尾,平均全長為27.75 ± 2.06 mm,平均體重為0.27 ± 0.07 g,隨機平分為A、B兩組,A組幼苗直接於2 ton圓形FRP水槽中培育,B組則放養於懸放在 FRP水槽內的黑色箱網中。試驗初期,每隔5日以篩網篩選吋上苗,並移出放置於另一水槽或箱網中培育,經過3次篩選後,將魚苗依成長快慢分成3級。
在第一階段的育苗試驗中,A、B兩組的魚苗均以人工飼料馴餌15天。將馴餌成功的魚苗經過篩選及分級後,分成A1、A2、A3與B1、B2、B3等組,進行第二階段的育苗試驗。經67日的飼育後,A組共計育成魚苗1,201尾,活存率80.07%,平均全長68.15 ± 5.24 ~ 78.73 ± 5.45 mm,平均體重4.43 ± 1.21 ~ 6.85 ± 1.51 g;B組總共育成魚苗1,113尾,活存率74.2%,平均全長66.54 ± 5.86 ~ 80.50 ± 6.91 mm,平均體重4.34 ± 1.06 ~ 7.20 ± 1.69 g。試驗結果顯示,A、B兩種育苗方式,結合馴餌、篩選及分級培育,都可用來進行豹鱠魚苗的中間育成。
出版日期: 2014/12/25
標題title(英): The Larval Culture of Coral Trout (Plectropomus leopardus)
作者: 林金榮‧許鐘鋼‧蘇勰忠‧張戴陽‧劉素華
卷別: 22
期別: 2
頁碼: 45-55
作者 auther(英): King-Jung Lin, Chung-Kang Hsu, Shei-Chung Su, Tai-Yang Chang and Su-Hua Liu
摘要abstract(英): The present study sought to develop the techniques of larval culture of coral trout (Plectropomus leopardus). Three thousand fries with an average total body length of 27.75 ± 2.06 mm and an average body weight of 0.27 ± 0.07 g were evenly and randomly divided into two groups (Group A and Group B). The fries in Group A were directly released and raised in 2-ton round FRP tanks, while those in Group B were kept in black mesh cages floating in a 10-ton FRP tank. All the fries were sieved with meshes every five days to separate them into three size categories in both groups.
In the first rearing stage, all fries in both groups were acclimated with artificial feed for a period of 15 days. In the second rearing stage, the survival fries from the previous stage were then graded and categorized into subgroups. After a 67-day culture period, 1,201 juveniles in Group A survived (survival rate: 80.07%) with total body lengths ranging from 68.15 ± 5.24 mm to 78.73 ± 5.45 mm and body weights ranging from 4.43 ± 1.21 g to 6.85 ± 1.51 g. In Group B, 1,113 juveniles survived (survival rate: 74.20%) with total body lengths ranging from 66.54 ± 5.86 mm to 80.50 ± 6.91 mm and body weights ranging from 4.34 ± 1.06 g to 7.20 ± 1.69 g. The results showed that there were not significantly different between two methods in terms of the growth and survival rates. This indicated that both methods were suitable for the larval culture of coral trout.
使用語言: 中文
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