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报道了山东近岸许氏平Sebastesschlegeli繁殖群体的种群结构,系由体长235~467mm、体重300~3770g的3~14龄个体组成,其生长特性多数为L∞=480.34mm、W∞=4111.70g、k=0.2211、t0=0.567、α=1.0905×10-5、b=3.198.雄鱼3岁、雌鱼4岁达初次性成熟.产仔期在4~5月、盛期为5月上中旬.繁殖力为1.52万~31.45万尾.在水温11.6~20.5℃的条件下、约40d进入幼鱼期。在此基础上报告了亲鱼选择与产仔、苗种培育方法、饵料系列以及水质管理等技术措施,取得育苗的成功。
The population structure of Sebastesschlegeli population from Shandong coastal shrimp, Sebastesschlegeli, was reported to be composed of individuals aged from 3 to 14 with body length of 235 to 467 mm and body weight of 300 to 3770 g. Most of the growth characteristics were L∞ = 480.34 mm and W∞ = 4111.70 g, k = 0.2211, t0 = 0.567, α = 1.0905 × 10 -5, b = 3.198. Male 3 years old, female 4 years old reached sexual maturity. The litter period is from April to May, and the peak period is mid-May. Fecundity of 1.52 million to 314,500. In the water temperature 11.6 ~ 20.5 ℃ conditions, about 40d into juvenile period. On this basis, technical measures such as broodstock selection and litter selection, seed breeding methods, bait series and water quality management were reported, and the success of nursery was obtained.