Growth of the Hard Clam,Meretrix Lusoria Cultured in Ponds in Taiwan

塭養文蛤之成長

何云達(Yun-Dar Ho)

《臺灣水產學會刊》 18卷4期 (1991/12) Pp. 273-277

https://doi.org/10.29822/JFST.199112.0004

摘要

利用12口面積約1／3公頃之鹹水蝦池養殖草蝦，以探討不同水車數目及放養密度對產量之影響。經過兩季實驗，所得結果顯示水車之存在雖然有其必要性，但水車數目之增加並未造成產量顯著增加。當放養密度在每平方公尺20尾或以上時，養殖後期之平均草蝦體重因水車數目增加而略有增加，但其幅度遠不及放養密度之降低來得顯著。統計分析結果顯示放養密度與產量可以以拋物線來表示其關係。當放養密度超過每平方公尺17尾時，總產量由於個體成長方面之損失而呈現下降。

關鍵字

成長 ； 交蛤

並列摘要

The experiments were conducted in twelve 1/3 ha shallow-salt-water ponds,to study the effects of paddlewheel and stocking density(ranged of 4-25 persquare meter)on the production of tiger prawn,Penaeus monodon.Althoughsuffering from disease loss during the culture period,results of the unaffectedponds had shown no significant difference on production when different numberof paddlewheels was used.When stocking rates were higher than 20/m^(2),aslight increase of averaged individual weight resulted which may be attributedto heavier use of paddlewheels.Both averaged individual weight and production appeared to be significantly influenced by stocking density.Resultsfrom regression analysis showed that stocking more than 17 per square meterresulted in low values of total yield because of decrease in weight gain.

並列關鍵字

Growth ； Hard Clam ； Meretrix Lusoria