1985
DOI: 10.1002/dev.420180202
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Thermal limitation of mother–young contact in norway rats

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Cited by 41 publications
(21 citation statements)
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“…These rats spent more time with their pups than unshaved controls, supporting the idea that chronic hyperthermia of lactating females may constrain maternal behaviour if contact with the litter further increases their body temperature, forcing the termination of nest bouts to dissipate the heat load (e.g. Croskerry et al, 1978;Leon et al, 1985;Scribner and WynneEdwards, 1994). The second manipulation (Leon et al, 1978) aimed to decrease ability of female rats to dissipate body heat E. Król, M. Murphy and J. R. Speakman by removing their tails -a major avenue for heat flow when heat production exceeds heat loss to the environment.…”
Section: Discussionmentioning
confidence: 70%
“…These rats spent more time with their pups than unshaved controls, supporting the idea that chronic hyperthermia of lactating females may constrain maternal behaviour if contact with the litter further increases their body temperature, forcing the termination of nest bouts to dissipate the heat load (e.g. Croskerry et al, 1978;Leon et al, 1985;Scribner and WynneEdwards, 1994). The second manipulation (Leon et al, 1978) aimed to decrease ability of female rats to dissipate body heat E. Król, M. Murphy and J. R. Speakman by removing their tails -a major avenue for heat flow when heat production exceeds heat loss to the environment.…”
Section: Discussionmentioning
confidence: 70%
“…A decreased suckling stimulus caused by continual disruption of suckling would lead to lower oxytocin, and ultimately a lower level of milk production (Croskerry et al, 1978;Speakman and Krol, 2005). Consistent with the heat dissipation limitation hypothesis, over the lactation period, maternal rats with fur removed spent more time with their pups in the nest compared with non-shaved individuals (Croskerry et al, 1978;Leon et al, 1985). For Swiss mice, the behaviour at peak lactation was observed and classified into one of five categories: general activity, grooming, feeding, suckling and resting behaviour.…”
Section: Discussionmentioning
confidence: 88%
“…In addition to this strongly supportive evidence for the HDL theory from large domesticated mammals, there is also a diverse literature on factors that affect maternal suckling behaviour in rodents. These data indicate that a key factor influencing maternal suckling duration is the risk of the mother overheating during the suckling bout (Leon et al, 1978;Leon et al, 1983;Bates et al, 1985;Leon et al, 1985;Adels and Leon, 1986;Newkirk et al, 1998). Further support for the HDL theory comes from comparisons of the reproductive performance of mice selectively bred to enhance their capacity to dissipate heat (Nielsen et al, 1997a;Nielsen et al, 1997b;Kgwatalala et al, 2004;McDonald and Nielsen, 2006).…”
Section: New Ideas On Limits To Sustained Energy Intakementioning
confidence: 97%