Interaction of temperature and photoperiod on growth of Atlantic halibut Hippoglossus hippoglossus L.
By T. M. Jonassen, A. Imsland, Shusaku Kadowaki, S. Stefansson. 2000
110 citations recorded by the source corpus.
The combined effect of temperature and photoperiod on the growth of juvenile Atlantic halibut Hippoglossus hippoglossus (initial weight 11.6 g) was investigated under different temperature (6 °C and 12 °C) and photoperiod (continuous light and simulated natural photoperiod) combinations by studying the effects on fish weight, specific growth rate (SGR), feed consumption (F%), feed conversion (FCE) and oxygen consumption and ammonia excretion under routine and fasting conditions. SGR was greater at the higher temperature, and growth was faster under continuous light than under natural photoperiod, irrespective of temperature, SGRs being 0.83% and 0.98%, and 1.61% and 1.71% at 6 °C and 12 °C respectively. The weight data revealed a significant interaction between temperature and light, and provided evidence of a stronger growth-enhancing effect of continuous light at the lower temperature. F% increased with temperature but was independent of photoperiod, whereas FCE was higher among fish exposed to continuous light, irrespective of temperature. Independently of photoperiod, oxygen consumption and ammonia excretion increased with temperature, but the differences in these rates in relation to photoperiod became more pronounced at the lower temperature, where continuous light gave the highest rates. Higher oxygen consumption during darkness suggested that light may suppress activity in halibut. It was proposed that reduced activity and anabolic effects of photoperiod contribute to explain the increased growth and growth efficiency in fish subjected to continuous light.
Subfields: Aquatic Science, Nature and Landscape Conservation, Physiology
View Paper: https://www.semanticscholar.org/paper/46aecdc8057da07ee0ca0cd339b9a6df76fbc5ef
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Citations in the corpus
- A review of the culture potential of Solea solea and S. senegalensis (2003, background): “Further, a possible interaction of photoperiod and temperature has not been studied in sole, although such an interaction was found to enhance growth by up to 10% at lower temperatures in other marine species (Imsland et al., 1995; Jonassen et al., 2000).”
- Temperature, Growth Rate, and Body Size in Ectotherms: Fitting Pieces of a Life-History Puzzle1 (2004, unknown): “…insects (Tsitsipis and Mittler, 1976; Sweeney and Vannote, 1978; Ernsting et al., 1992), fish (Imsland et al., 1995; MartinezPalacios et al., 1996; Jonassen et al., 2000; Bendiksen et al., 2002), amphibians (Berven, 1982; Jørgensen, 1983), and reptiles (Dunham, 1978; Schoener and Schoener,…”
- Photoperiod can be used to enhance growth and improve feeding efficiency in farmed rainbow trout, Oncorhynchus mykiss (2006, background): “, 2002), Atlantic halibut, Hippoglossus hippoglossus, (Jonassen et al., 2000; Norberg et al., 2001), turbot, Scophthalmus maximus, (Imsland et al.”