Diurnal variations in the physiology of the goldfish,Carassius auratus
作者:
George Delahunty,
James Olcese,
Margaret Prack,
Mary Jo Vodicnik,
CarlB. Schreck,
Victor de Vlaming,
期刊:
Journal of Interdisciplinary Cycle Research
(Taylor Available online 1978)
卷期:
Volume 9,
issue 2
页码: 73-88
ISSN:0022-1945
年代: 1978
DOI:10.1080/09291017809359626
出版商: Taylor & Francis Group
关键词: Diurnal rhythm;feeding time;goldfish;hypothalamic serotonin;liver glycogen;liver lipid;liver triglyceride;photoperiod;pituitary prolactin;plasma cholesterol;plasma corticoid;plasma glucose;plasma lipid.
数据来源: Taylor
摘要:
Liver glycogen, liver lipid, liver triglycerides, plasma glucose, plasma total lipid, plasma cholesterol, plasma corticoids, hypothalamic serotonin and pituitary pro‐lactin levels were assayed at five times over a 24‐h period inCarassius auratusmaintained under a specific photoperiod regime at various times throughout the year. Diurnal variations were observed in all parameters monitored. Daily variations of liver glycogen, plasma glucose, plasma lipid, plasma corticoids and hypothalamic serotonin were affected by time of feeding. Liver glycogen, plasma lipid and plasma corticoid levels were also affected by time of feeding. Diurnal variations of liver glycogen, plasma glucose and plasma lipid were influenced by light‐dark cycles. These data illustrate that feeding time, photoperiod and time of sacrifice are important considerations in the study of metabolic and hormonal parameters in fishes.
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