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评价了精养塘中似石首鱼的生产潜力。1986年4月在瓦德尔海水养殖中心的6个0.1hm~2的咸水塘中放养了从南卡罗来纳捕获的亲鱼生产的似石首鱼幼鱼(1.7～4.3g),鱼种放养密度为7500尾、15000尾和22500尾/hm~2,每种密度设两个重复塘予以比较。鱼投喂38%蛋白质的鳟鱼商品饲料,盐度平均为(28±3)×10~(-3)。在18个月的研究中,密度为7500尾、15000尾和22500尾/hm~2的池塘日平均水体交换率分别为16.4%、17.5%和27.4%。第1年(1986年)温季两个高密度池塘使用了0.55kw 喷水式增氧机,第2年(1987年)全部相邻池塘使用0.74kw 叶轮增氧机。146d,其中一个最高密度池塘养殖的鱼寄生了腰鞭毛虫(Amyloodinium)使鱼全部死亡。432d,一个中密度池塘因缺乏溶氧导致损失鱼约35%。收获时(1987年9月28日～10月5日)3种密度的鱼平均体重分别为1.3、1.0、1.2kg。密度为7500尾/hm~2的池塘捕获量为8997.5kg/hm~2,平均成活率为88.7%。低溶氧量影响的中密度池塘(15000尾/hm~2)鱼的成活率、平均体重和捕获量分别为54.7%、0.9kg 和7251.3kg/hm~2。另一个中密度池塘鱼的成活率为94.9%、平均体重1.1kg、捕获量15011.3kg/hm~2。另一个高密度池塘(22500尾/hm~2)产鱼24082.5kg/hm~2,鱼体重1.2kg,成活率90.6%。饲料转换平均为2.43(2.15～2.60)。鱼全部在塘边销售给商贩,价格1.65～2.76美元/kg。
Evaluation of the intensive pond Tong Shishou fish production potential. The juvenile Scylla serrata (1.7-4.3 g) produced by broodstock captured from South Carolina was stocked in 6 0.1 hm 2 saltwater ponds in Waddell Marine Culture Center in April 1986. The stocking densities were 7500, 15000 and 22500 / hm ~ 2, each with two duplicate ponds for comparison. Fish fed 38% protein of trout commercial feed, the average salinity of (28 ± 3) × 10 ~ (-3). In the 18-month study, average daily water exchange rates for ponds with a density of 7500, 15000 and 22 500 / hm 2 were 16.4%, 17.5% and 27.4%, respectively. In the first year (1986), 0.55kw aerator was used for two high-density ponds in the warm season and 0.74kw impeller aerator for all adjacent ponds in the second year (1987). In 146d, one of the highest density pond-farmed fish parasitized Amyloodinium causing all of the fish to die. In 432d, a medium density pond lost about 35% of its fish due to lack of dissolved oxygen. At harvest (September 28, 1987 to October 5, 1987), the average body weights of the three species of fish were 1.3, 1.0 and 1.2 kg, respectively. The catch of the pond with the density of 7500 / hm ~ 2 was 8997.5kg / hm ~ 2 and the average survival rate was 88.7%. The survival rate, average body weight and catch of medium density pond (15000 / hm ~ 2) affected by low dissolved oxygen were 54.7%, 0.9kg and 7251.3kg / hm ~ 2, respectively. Another medium-density pond fish survival rate of 94.9%, the average weight of 1.1kg, capture 15011.3kg / hm ~ 2. The other high-density pond (22 500 / hm 2) produced 24082.5 kg / hm 2 of fish and 1.2 kg of fish, with a survival rate of 90.6%. Feed conversion averaged 2.43 (2.15 to 2.60). Fish are all sold to the vendors in the pond, the price of 1.65 to 2.76 US dollars / kg.