BEGGING RESPONSE IN NESTLING RED-WINGED BLACKBIRDS (AGELAIUS-PHOENICEUS) - EFFECT OF BODY-TEMPERATURE

被引:30
作者
CHOI, IH [1 ]
BAKKEN, GS [1 ]
机构
[1] INDIANA STATE UNIV,DEPT LIFE SCI,TERRE HAUTE,IN 47809
来源
PHYSIOLOGICAL ZOOLOGY | 1990年 / 63卷 / 05期
关键词
D O I
10.1086/physzool.63.5.30152624
中图分类号
Q4 [生理学];
学科分类号
071003 ;
摘要
The optimal temperature for begging height, begging speed, gape width, and isometric tetanic force increased 5-15°C between 1-d-old and 8-d-old birds. The temperature sensitivity of all variables except gape width also increased with age, resulting in a narrower range of near-optimal performance. -from Authors
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页码:965 / 986
页数:22
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