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作 者:李碧全[1] 陈明达[1] 游剑涛[1] 林祥日[1] 吴立煜[1] 黄文志[1] 吴俭[1]
出 处:《集美大学学报(自然科学版)》2007年第2期103-107,共5页Journal of Jimei University:Natural Science
摘 要:报道了不同饵料系列对漠斑牙鲆苗种成活率和生长率的影响.32.0万粒的受精卵经57 d培育,共获得全长2.7~5.5 cm的鱼苗16.6万尾.在仔鱼开口后自始至终加投配合饵料的饵料系列组(B组)的成活率比在35日龄才开始驯化配合饵料的饵料系列组(A组)的成活率高.初孵仔鱼至变态伏底时A、B组的成活率分别为58.9%和88.7%,从变态伏底始至出苗时全长平均为3.84 cm的A、B组幼鱼的成活率分别为79.0%和83.6%,从初孵仔鱼至出苗时的A、B组的总成活率分别为46.5%和72.4%,而两组的生长率差异不大.Effects of two diet series on survival and growth of fries of southern flounder, Paralichthys lethostigma were reported. Larvae hatched from 3.2 × 10^5 fertilized eggs of southern flounder were reared and 1.66 × 10^5 young fish with total length between 2.7 cm and 5.5 cm were obtained through 57 days cultivation. The survival rate of the fries fed on diet series ( series B ) adding formulated diets from the beginning of feed to the end of fry rearing was higher than that of the fries fed on diet series ( series A) adding formulated diets only from 35 days after hatching to the end of fry rearing. The survival rates from newly hatching to metamorphism of series A and series B were 58.9 % and 88.7 % respectively, while the survival rates from metamorphism to the end of fry rearing with mean total length of 3.84 cm of series A and series B were 79. 0 % and 83.6 % respectively, and the total survival rates from newly hatching to the end of fry rearing of series A and series B were 46.5 % and 72. 4 % respectively. The growth rates of fries fed on these two different diet series were similar.
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