Relative Growth, Body Constituents, and Energy Content of Nestling Barn Swallows and Red-Winged Blackbirds
Relative Growth, Body Constituents, and Energy Content of Nestling Barn Swallows and Red-Winged Blackbirds
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雏燕和红翅黑鸟的相对生长、身体成分和能量含量
DOI：
10.2307/4083336
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发表时间：
1967
期刊：
影响因子：
--
通讯作者：
R. Ricklefs
中科院分区：
文献类型：
--
作者：
R. Ricklefs
生长动力学不仅包括总重量的变化，而且包括组成部分的相对大小（Brody，1945; Laird，1965）和基本身体成分的相对比例：水、蛋白质、脂质和灰分（Bailey等人，1960年）。成分的变化意味着每克体重的能量含量在发育过程中也会发生变化。本研究测定了两种雀形目鸟类--家燕（Hirundo rustica）和红翅乌鸫（Agelaius phoeniceus）雏鸟的体成分和几种体成分的重量。身体成分的差异增长和身体成分的比例变化，并从这些数据计算能量含量。
THE kinetics of growth include not only changes in gross weight, but also in the relative sizes of component parts (Brody, 1945; Laird, 1965) and in the relative proportions of the basic body constituents: water, protein, lipid, and ash (Bailey et al., 1960). Changes in the constituents mean that the energy content per gram body weight also changes during the course of development. In this study, body constituents and the weights of several body components in nestlings of two species of passerine birds, the Barn Swallow (Hirundo rustica) and the Red-winged Blackbird (Agelaius phoeniceus), were determined. Differential growth of body components and changes in the proportions of body constituents are presented, and energy contents are calculated from these data.