论文部分内容阅读
美国大豆协会在海南省陵水县新村港采用美国大豆协会小体积高密度网箱养殖技术和美国大豆协会海水鱼饲料在近海网箱养殖星斑裸颊鲷(Lethrinus nebuiosus)并对其生长表现进行评估。星斑裸颊鲷以250尾/米~3的密度放养在三口体积为8.0米~3的网箱中(2000尾/ 箱)。星斑裸颊鲷鱼种以饱食投饲法每日投饲3 次47%粗蛋白15%油脂的鱼种料(4 7/15饲料)养至25克,鱼养至25克以上改用43%粗蛋白12%油脂的成鱼料(45/12饲料)以饱食投饲法每日投饲2次。两种饲料皆为膨化浮性颗粒饲料。星斑裸颊鲷在155日的投饲期内由5克长至97克。投饲47/15和45/12饲料总的平均饲料系数为2.09:1。本试验结果表明星斑裸颊鲷对小体积高密度网箱养殖模式非为一预选的品种。
The American Soybean Association (NAA) conducted the breeding of Lethrinus nebuiosus in offshore cages using the Soybean Association small-volume, high-density cage culture technology and the American Soybean Association marine fish feed in Xinmukangang, Lingshui County, Hainan Province, Evaluation. Spotted buzzard is stocked at a density of 250 / m 3 in three cages with a volume of 8.0 m -3 (2000 pcs / carton). Starburst blunted fish species feeding 3 times a day by satiation feeding 47% crude protein 15% fat fish material (4 7/15 feed) raised to 25 grams of fish raised to more than 25 grams switched to Fish meal (45/12 feed), 43% crude protein 12% fat, is fed twice a day on a satiation feeding method. Both feeds are puffed floating pellets. Spotted buntweed rose from 5 grams to 97 grams during the 155-day feeding period. The total average feed conversion for feeding 47/15 and 45/12 feeds was 2.09: 1. The results of this experiment indicate that the star-shaped buzzard is not a pre-selected variety for the small size and high density cage culture.