Respiration Rates in Captive Beluga Whales (Delphinapterus leucas): Effects of Season, Sex, Age, and Body Size

被引：6

作者：

George, Elizabeth M. ^{[1
]}

Noonan, Michael

机构：

[1] Canisius Coll, Dept Anim Behav Ecol & Conservat, Buffalo, NY 14208 USA

来源：

AQUATIC MAMMALS | 2014年 / 40卷 / 04期

关键词：

beluga whale; Delphinapterus leucas; calf development; body size; seasonal differences; respiration rate; age differences; RESTING METABOLIC-RATE; DOLPHINS TURSIOPS-TRUNCATUS; BEHAVIORAL-DEVELOPMENT; HEAT-LOSS; INFANT; GROWTH; CARE; REPRODUCTION; TEMPERATURE; ONTOGENY;

D O I：

10.1578/AM.40.4.2014.350

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Respiration rates can be used as important indices of health and welfare in animal subjects. In the present study, the respiration rates of captive beluga whales (Delphinapterus leucas) (N = 55) were found to be influenced by season (winter-spring rates > summer-fall rates), sex (males > females), age (calves > adults), and body size (smaller adults > larger adults). Significant interactions among these terms were also found for season-by-sex and season-by-age. Additionally, the respiration rates of beluga calves gradually declined to the point where they equaled their mothers by 3 y of age, the same age that other cetaceans achieve mature dive physiology.

引用

页码：350 / 356

页数：7

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