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Keywords: heat dissipation limit
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Journal Articles
J Exp Biol (2020) 223 (9): jeb223560.
Published: 7 May 2020
... and Król, 2005a ). It is known that the maximal capacity of the body to dissipate heat is fixed, and females lactating at hot temperatures may have less capacity for heat dissipation ( Speakman and Król, 2005a , 2011 ; Wen et al., 2017 ). Therefore, heat dissipation limits are likely to be more severe...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (16): jeb180828.
Published: 23 August 2018
...James K. Kagya-Agyemang; Lobke M. Vaanholt; Catherine Hambly; Elzbieta Król; Sharon E. Mitchell; John R. Speakman ABSTRACT Maximal animal performance may be limited by the ability of an animal to dissipate heat: the heat dissipation limitation (HDL) theory. Because the incidental heat produced...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (20): 3718–3732.
Published: 15 October 2014
.... , Hambly   C. , Vaanholt   L. M. , Speakman   J. R. , Gerkema   M. P. ( 2011 ). Ambient temperature shapes reproductive output during pregnancy and lactation in the common vole (Microtus arvalis): a test of the heat dissipation limit theory . J. Exp. Biol.   214 , 38 - 49 . Speakman...
Journal Articles
J Exp Biol (2013) 216 (12): 2349–2358.
Published: 15 June 2013
... these data, it has been suggested that SusEI may be limited by the capacity of the female to dissipate body heat – the ‘heat dissipation limit (HDL)’ theory ( Speakman and Król, 2005 ; Speakman and Król, 2010 ). Under the HDL theory, cold exposure resulted in a relaxation of the limitation on the heat...
Journal Articles
J Exp Biol (2011) 214 (24): 4160–4170.
Published: 15 December 2011
...Elzbieta Król; Samuel A. M. Martin; Ilpo T. Huhtaniemi; Alex Douglas; John R. Speakman SUMMARY It has been proposed that the performance of lactating animals is limited by the capacity of the female to dissipate body heat – the heat dissipation limit (HDL) theory. This theory predicts that milk...
Includes: Supplementary data
Journal Articles
J Exp Biol (2010) 213 (16): 2832–2839.
Published: 15 August 2010
...T. G. Valencak; K. Hackländer; T. Ruf SUMMARY It has been suggested that maximum sustained metabolic rate (SusMR) in mammals as reached, for instance, during lactation, is due to a limited capacity for heat dissipation. Here, we experimentally tested whether heat dissipation limitation (HDL) also...
Journal Articles
J Exp Biol (2007) 210 (23): 4233–4243.
Published: 1 December 2007
... or extrinsic limits to SusEI at peak lactation and provide strong support for the heat dissipation limit hypothesis. More generally, we see many situations where heat dissipation may be a previously unrecognised factor constraining the evolution of endothermic animals – for example, the latitudinal...
Journal Articles
J Exp Biol (2003) 206 (23): 4255–4266.
Published: 1 December 2003
... limitation hypothesis. Here, we present a novel hypothesis that the limits to sustained energy intake at peak lactation are imposed by the capacity of the animal to dissipate body heat generated as a by-product of processing food and producing milk. To test the heat dissipation limit hypothesis we challenged...
Journal Articles
J Exp Biol (2003) 206 (23): 4267–4281.
Published: 1 December 2003
... temperatures, while the heat dissipation limit hypothesis predicts a decline in milk energy output as temperature increases. Since estimates of milk energy output in small mammals can vary depending on the calculation method used, we evaluated the milk energy output of mice ( N =24) using four different...
Includes: Supplementary data
Journal Articles
J Exp Biol (2003) 206 (23): 4283–4291.
Published: 1 December 2003
... had substantially larger mammary glands than mice at 21°C or 30°C (2.450 g, 1.115 g and 0.956 g dry mass, respectively), which argues against the peripheral limitation hypothesis and is consistent with the heat dissipation limit hypothesis. In addition, cold exposure resulted in greater masses...