The Herpetological Journal
The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.
ISSN 0268-0130
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pdf 03. A study of gut function in young loggerhead sea turtles, Carella caretta L at various temperatures
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pp.170-175
Authors: Rosamund F. Birse And John Davenport
Abstract: The effects of temperature within the range 20°C to 30°C, on rate of passage of material through the gut were studied in juvenile captive loggerhead turtles ( Coretta caretta). Total gut clearance time (TGCT) decreased with increasing temperature (Q10 = 1 .6). The difference in value of TGCT was greater between 20°C and 25°C, where it fell by 33 hours, t han between 25°C and 30°C. where it decreased by 6 hours. At 25°C and 30°C the satiation rat ion amounted to 3. 73 per cent body weight; at 20°C the value was only 0.92 per cent. It was calculated that appetite would return to satiation level at a faster rate at 20°C than at 25°C or 30°C.
Food was retained in the oesophagus of juvenile loggerhead turtles for up to one hour after feeding.
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Please note that as from Volume 31 Number 1 (January 2021) on, the Herpetological Journal will be available as an online publication only - the last print edition will be Volume 30 Number 4.
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