【摘要】：為有效突破中國北方網(wǎng)箱養(yǎng)殖品種少的缺陷,并合理利用閑置網(wǎng)箱,通過陸海接力養(yǎng)殖模式,開展斑點鱒(♀Oncorhynchus mykiss×♂Oncorhynchus mykiss)的陸海接力養(yǎng)殖試驗,并與工廠化養(yǎng)殖進行了對比,達到提高斑點鱒的養(yǎng)殖存活率,增加經(jīng)濟效益的目的。結(jié)果顯示:從2013年6月1日至2014年6月19日,3種規(guī)格斑點鱒的初始體質(zhì)量分別為(225.1±36.2)g、(102.8±23.5)g、(55.3±12.3)g,經(jīng)384 d的工廠化養(yǎng)殖,養(yǎng)成平均質(zhì)量分別達到(2143.4±253.1)g、(1 763.8±210.3)g、(946.3±120.4)g,存活率分別為91.2%、90.6%、89.3%;經(jīng)384 d的陸海接力養(yǎng)殖,養(yǎng)成平均質(zhì)量分別達到(2 408.3±321.2)g、(2 065.5±256.3)g、(1 142.6±156.3)g,存活率分別為87.5%、88.1%、85.3%,其中大規(guī)格苗種的平均日增體質(zhì)量達到8.5 g/d。由此可見,最適宜進行陸海接力養(yǎng)殖的斑點鱒規(guī)格為體質(zhì)量100 g以上的中等規(guī)格斑點鱒,且"陸海接力"養(yǎng)殖的斑點鱒具有生長快、經(jīng)濟效益高等特點,是一種值得推廣的新型斑點鱒養(yǎng)殖模式。
[Abstract]:In order to break through the defect of fewer cage culture varieties in northern China and make rational use of idle cages, the land and sea relay culture experiment of spotted trout (Oncorhynchus mykiss 脳 Oncorhynchus mykiss) was carried out through land and sea relay culture mode, and compared with industrial culture, so as to improve the survival rate of spotted trout culture and increase the economic benefit. The results showed that from June 1, 2013 to June 19, 2014, the initial body mass of the three spotted trout was (225.1 鹵36.2) g, (102.8 鹵23.5) g, (55.3) g, and after 384 days of industrial culture, the average quality of cultivation was (2143.4 鹵253.1) g, (1 763.8 鹵210.3) g, (946.3 鹵120.4) g, and the survival rate was 91.2%, 90.6% and 89.3%, respectively. After 384 days of land and sea relay culture, the average weight of cultivation was (2 408.3 鹵321.2) g, (2 065.5 鹵256.3) g, (1 142.6 鹵156.3) g, and the survival rate was 8.5%, 88.1% and 85.3%, respectively. The average daily weight of large seedlings reached 8.5 g / d. It can be seen that the most suitable speckle trout for land and sea relay culture is medium size spotted trout with body mass of more than 100 g, and the spotted trout cultured with "land and sea relay" has the characteristics of fast growth and high economic benefit, so it is a new type of spotted trout culture model worth popularizing.
【作者單位】： 山東省海洋生物研究院;
【基金】：山東省農(nóng)業(yè)重大應(yīng)用技術(shù)創(chuàng)新課題資助項目 青島市關(guān)鍵技術(shù)攻關(guān)計劃項目(12-4-1-56-hy)
【分類號】：S965
，

本文編號：2519022