七彩神仙鱼人工繁殖主要水质条件的探讨.pdf

七彩神仙鱼人工繁殖主要水质条件的探讨.pdf

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七彩神仙鱼人工繁殖主要水质条件的探讨

10 1 Vol. 10, No. 1 20013 JOURNAL OF SHANGHAI FISHERIES UNIVERSITY March, 2001 : 1004 7271( 2001) 01 0022 04 1 2 1 何文辉 , 张美琼 , 鲍宝龙 ( 1. , 200090; 2. , 200090) :, 2~ 3.5DH, pH 5. 5~ 6.5 5DH pH 7. 0 , , : ; ; :S912 : A Discussion on main water quality conditions about artificial breeding of Symp hysodon aequfi asciata 1 2 1 HE Wen hui , ZHANG Mei qiong , BAO Bao long ( 1. College of Fisheries, SF U, Shang hai 200090, China; 2. Ed itoral Dep artment of JS FU, SF U, Shang hai 200090, China) Abstract:This paper deals with the effects of water hardness and pH on the artificial breeding of Symp hysodon aequfi asciata .The optimal water hardness and pH during the period of gonad development, spawning,fertilixation and secretingmilkwere 2 3. 5DH and 5. 5 6. 5, respectively.The male breeders were more susceptible for change of water hardness and pH than the female.When water hardness above 5DH or pH over 7. 0, the male almost lost capability of fertilixation, but the female could still keep the ability of spawning. Key words:Symp hysodon aequfi asciata ; water quality; breeding ( Symp hysodon aequfi asciata) , , , , [ 1] , , , , ; , , , [ 1] : , , ; [2] , , , , , , , 2~ 3 : 2000 11 02 : ( 1971 ) , , , , Tel: 021 1 : 23 [3] , , [ 1 5] , pH , , 1 1. 1 1996 7 19984 , , 55cm 90cm 60cm , 1/ 3 300W , ( 30 0. 5) 40W ( 3000lx ) , 8h8 [ L= ( 12 1) cm, W= ( 126 1

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