该水域仔稚鱼的种类和平均密度具有季节性变化趋势。
And the number of species and mean density showed seasonal tendencies.
雌性三倍体稚鱼性腺在细胞学分化时受抑,初级卵母细胞不能发育;
The cytological differentiation of ovary in female triploids was suppressed and the primary oocyte could not develop.
经热休克处理获得的三倍体稚鱼,性腺在分化之前明显大于正常二倍体鱼。
The size of gonads of triploids from hot shock was significantly larger than that of diploids prior to gonadal differentiation.
旨在学习、借鉴国外的研究成果和经验,深入开展我国海水仔稚鱼的营养研究。
The aim is to learn foreign research achievements and experience, and to promote nutrition research for Marine fish larvae in China.
水温是影响仔稚鱼分布的主要原因之一,而采获的大部分仔稚鱼都属于广盐性鱼类。
Water temperature was one of main causes that affected the distribution of fish larvae and juveniles.
导致稚鱼阶段“胀鳔病”发生的内在原因可能是DHA和EPA的缺乏以及AA偏高。
The inside reason that "swim bladder bulge" disease took place may be lack of DHA and EPA and higher AA.
因此,在该试验条件下,真鲷仔稚鱼微粒饲料中卵磷脂的最适添加量应为5.0%左右。
Hence, under the experimental conditions, the optimal added amount of lecithin in microdiet for red sea bream larvae was about 5.0%. 4.
鱼类早期生活史可划分为胚胎期、仔鱼期和稚鱼期,其营养包括内源性、外源性和混合性三种类型。
Early Life History of Fish(ELHF) could be divided into embryonic, larval and juvenile stages. There are three types of endogenous, exogenous and mixed nutrition during Early Life History of Fish.
摘要亲鱼期及开口期某些营养素的缺乏是导致人工育苗过程中仔稚鱼大量死亡以及发育不良的重要原因。
Abstract : Lack of some nutriments during broodstock and mouth opening period is the key reason for the high mortality and maldevelopment of fish larvae in artificial seeding.
摘要亲鱼期及开口期某些营养素的缺乏是导致人工育苗过程中仔稚鱼大量死亡以及发育不良的重要原因。
Abstract : Lack of some nutriments during broodstock and mouth opening period is the key reason for the high mortality and maldevelopment of fish larvae in artificial seeding.
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