Effect of photoperiod on growth, physiologica and hematological indices of juvenile Siberian sturgeon Acipenser baerii

被引:0
|
作者
A. B. Ruchin
机构
[1] Mordovian State University,
来源
Biology Bulletin | 2007年 / 34卷
关键词
Biology Bulletin; Food Conversion; Hematological Index; Siberian Sturgeon; Scophthalmus Maximus;
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学科分类号
摘要
The effect of photoperiod on the growth of juvenile Siberian sturgeon Acipenser baerii has been studied in aquarium experiments. The maximum growth rate of juvenile Siberian sturgeon was observed under 12, 16, and 24 h photoperiods. This was accompanied by high respiratory rate and total food consumption and conversion. Rearing in the dark significantly decreased these indices. The hematological indices were within the normal range under optimal photoperiodic conditions. Pronounced neutrophilia and leukopenia were observed in the absence of light.
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页码:583 / 589
页数:6
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