Mingchen, Y., Craik, J.C.A. Biochemical changes during development of eggs and yolk-sac larvae of herring and plaice., Chin. J. Ocean. Limnol. 10, 347–358 (1992). https://doi.org/10.1007/BF02843836
DOI:
Mingchen, Y., Craik, J.C.A. Biochemical changes during development of eggs and yolk-sac larvae of herring and plaice., Chin. J. Ocean. Limnol. 10, 347–358 (1992). https://doi.org/10.1007/BF02843836DOI:
Biochemical changes during development of eggs and yolk-sac larvae of herring and plaice
摘要
Abstract
Changes in quantities of water
sodium
potassium
lipid and protein were compared in developing eggs and yolk-sac larvae of herringClupes harengus L.
a species with demersal eggs
and plaicePleuronectes platessa L.
a species with pelagic eggs. The principal difference between the two species was the occurrence in herring
but not in plaice of considerable increases in water content and in one or both of the above ions at three distinct stages: at fertilization
during the middle stage of egg development
and in the days immediately after hatching. Newly hatched larvae of the two species differed greatly in water content because of the difference in mass and water content of the yolk
not in the water content of the rest of the body. In herring
there were increases in sodium and potassium which coincided broadly with the increase in water content. These differences are related to the gradual acquisition of buoyancy by herring during this period
comparable with the buoyancy conferred on plaice eggs at spawning by the already hydrated
yolk. Lipid and protein
which contribute little to buoyancy
decreased steadily throughout egg and larval development in both species.
关键词
Keywords
references
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