The effect of photoperiod on the goldfish (Carassius auratus)
Goldfish (Carassius auratus) of identical thermal and dietary history were subjected to long-day (16 hours) and short-day (8 hours) light periods. Variation in the ability of these groups to withstand temperature extremes were compared during the fall and winter of 1955 and during the spring and sum...
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| Language: | English |
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University of British Columbia
2012
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| Online Access: | http://hdl.handle.net/2429/40468 |