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海水繁養殖研究(2003~2006)

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  • 日期: 2019-08-16
海水繁養殖研究(2003~2006)-配合飼料及文蛤對白蝦雄種蝦生殖力影響
主題: 配合飼料及文蛤對白蝦雄種蝦生殖力影響
摘要:
利用室內二口養蝦水槽比較市售草蝦人工配合飼料及文蛤鮮餌對白蝦雄種蝦在蓄養期間生殖力的影響,實驗期間60天,每20天採樣1次,以了解生殖巢的變化。試驗開始後第20天餵飼文蛤者比餵飼草蝦配合飼料的GSI較高,第40及60天時反而較低,精莢的精子含量亦有相同的傾向,輸精管在第20及40天較低外,在第60天較高,精莢及輸精管中的正常精子含量所佔的百分比前者都較高,此現象在精莢的表現非常明顯,但兩種飼料各時段比較無差異(P > 0.05)。另一試驗是以單一飼料文蛤鮮肉,蓄養白蝦雄種蝦,以觀察在第10、20、30、40及50天的生殖力,GSI在第10天時比第0天明顯的高,之後稍微下降,在第40天時有明顯下降的現象。精莢及輸精管的精子含量,在第20天時達到高峰(精莢為0.85´106,輸精管為3.68´106精子數),之後則呈現下降的趨勢。
出版日期: 2003/6/30
報告來源:
作者: 曾寶順 邱靜山 林明男
卷: 1
期別: 1
頁碼: 47-53
作者 auther(英): Bao-Shuenn Tzeng, Ching-Shan Chiu and Min-Nan Lin
標題title(英): Effects of artificial diet and hard clam on the fecundity of adult male white leg shrimp Litopenaeus vannamei
摘要abstract(英): This study was aimed to observe the fecundity of male adult Litopenaeus vannamei during the period of stocking indoor. Shrimp fed with fresh meat of hard clam had higher GSI and spermatophores than those fed artificial diet on the 20th day, but the results reversed on the 40th and 60th days. The number of spermatozoa of the vas deferens was higher on the 40th and 60th day than that on the 20th day. Percentage of normal spermatozoa either in spermatophore or in vas deferens was higher on the group fed with hard clam but the difference did not reach significant level (P > 0.05). The fecundity of shrimp fed with hard clam as unique diet was also investigated on every 10 days’ interval. GSI of white shrimp reached to a maximum on the 10th day, and then decreased to a minimum on the 40th day. The number of spermatozoa of spermatophore or vas deferens increased to a maximum on the 20th day (in the spermatophore, 0.85´106; in the vas deferens, 3.68´106), and then decreased afterward.
使用語言: 中文
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