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牙鲆苗种大规模培育
杨纯武1, 阮洪超1, 黄瑞东1
中国科学院海洋研究所
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LARGE SCALE CULTIVATION OF SEEDLING OF FLAT-FISH, Paralichthys olivaceus
Abstract:
Methods ate described for large scale culture of flat-fish, Paralichthys olivaceus beyond metamorphosis; the works were carried out in 1983-1984. The aim of culture was for stocking Jiaozhou Bay near Qingdao. Concrete and glass-fibre tanks used for rearing ranged in capacity from 1.8 to 8 kl. Fish with gonads in an advanced stage of maturation were caught in April and May by trawling net and returned to laboratory. Eggs were obtained by hand-stripping. Feeding was established on rotifers (Bracnionus plicatilis), Artemia nauplii and chopped fishes. The yields of one-month-old and two-month-old seedling were 13000/kl and 4128/kl, survival rates 50.40% and 27.19% respectively. Some 24000 seed-lings, of them 9000 tagged, were released into Jiaozhou Bay.
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