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The National Agricultural Library is one of four national libraries of the United States, with locations in Beltsville, Maryland and Washington, D.C. It houses one of the world's largest and most accessible agricultural information collections and serves as the nexus for a national network of state land-grant and U.S. Department of Agriculture field libraries. In fiscal year 2011 (Oct 2010 through Sept 2011) NAL delivered more than 100 million direct customer service transactions.

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Journal Article

Journal Article

Effect of variability of breeding temperature on the thermal responses of a poikilothermic insect, the female cockroach Blaberus craniifer  [1991]

Buatois, A. (Universite Claude Bernard, Villeurbanne, France); Croze, J.P.;

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The body temperature, Tb, of female cockroaches Blaberus craniifer exposed to controlled variations in ambient temperature. Ta, was precisely monitored. The curves were fitted to a first-order Newtonian model and compared to those obtained in similar conditions with an inert replica. Although the fit was fairly good, insect curves significantly differed from those of the passive system. Compared with animals raised at a variable temperature (27 +/- 2.5 degrees C), the variability of the parameters of the model was much increased in animals raised at a stable temperature (27 +/- 0.5 degrees C). This corroborates our previous findings on the existence of increased morphological and behavioural variability in the latter conditions. In view of these differences, it is proposed to restrict the term poikilothermy to ectothermic animals who have actually lived in a thermally variable environment, and to designate by apoikilothermy the status of ectothermic animals who have only experienced a very constant ambient temperature
From the journal
Journal of thermal biology (USA)
ISSN : 0306-4565

Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
1991
Volume:
16
Issue:
1
Start Page:
31
End Page:
36
All titles:
"Effect of variability of breeding temperature on the thermal responses of a poikilothermic insect, the female cockroach Blaberus craniifer"@eng
Other:
"references"
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Bibliographic information

Language:
English
Type:
Journal Article
In AGRIS since:
1991
Volume:
16
Issue:
1
Start Page:
31
End Page:
36
All titles:
"Effect of variability of breeding temperature on the thermal responses of a poikilothermic insect, the female cockroach Blaberus craniifer"@eng
Other:
"references"