EFFECT OF DIFFERING MATERNAL FOOD RATION ON SUSCEPTIBILITY OF DAPHNIA-MAGNA STRAUS NEONATES TO TOXIC-SUBSTANCES

被引:23
作者
NAYLOR, C
COX, EJ
BRADLEY, MC
CALOW, P
机构
[1] Department of Animal and Plant Sciences, University of Sheffield, Sheffield
关键词
DAPHNIA; ACUTE TOXICITY; MATERNAL EFFECTS; NEONATE SIZE; CADMIUM; SODIUM BROMIDE; 3,4-DICHLOROANILINE;
D O I
10.1016/0166-445X(92)90017-H
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Maternal stocking density and hence available ration affects both length and dry weight of neonates. As ration per adult Daphnia increased the size of neonates decreased. There was some suggestion that neonate size had an effect on their susceptibility to some toxicants. The results here are not decisive, but are sufficiently indicative to counsel caution in the culture of mothers when generating neonates for tests and to suggest that further research is needed to determine the relationship between size and sensitivity.
引用
收藏
页码:75 / 82
页数:8
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