Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1139/cjz-2013-0232 |
Daytime declines in rumen-reticulum fill of male white-tailed deer (Odocoileus virginianus) from south Texas | |
Aiken, M. R. E.; Duarte, A.; Luna, R. S.; Wolcott, D. M.; Weckerly, F. W. | |
通讯作者 | Aiken, M. R. E. |
来源期刊 | CANADIAN JOURNAL OF ZOOLOGY
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ISSN | 0008-4301 |
EISSN | 1480-3283 |
出版年 | 2014 |
卷号 | 92期号:7页码:637-642 |
英文摘要 | Understanding rumen-reticulum fill dynamics gives us insight into how environmental conditions influence animal behaviors that affect when animals access forage. We examined whether there were daytime declines in rumen-reticulum fill in response to high ambient temperatures in free-ranging white-tailed deer (Odocoileus virginianus (Zimmermann, 1780)) on a diurnal scale. We hypothesized that to reduce heat-producing digestive processes in the heat of the day, rumen-reticulum fill and digestion in the rumen-reticulum would decline throughout the day. We collected the rumina and reticula of adult males and females across 30 h in two autumns in south Texas, USA. We also measured dry digesta mass, organ mass, and crude protein and acid detergent fiber concentrations of rumen-reticulum contents. In males, dry digesta mass declined throughout the day and crude protein concentrations were greatest when wet digesta and organ mass were the largest. Additionally, declines in dry digesta and wet digesta mass coincided with declines in crude protein concentrations and organ mass. Females did not display declines in rumen-reticulum fill (wet mass). Females were probably less vulnerable to heat than males because of their smaller body size. Male white-tailed deer foraged primarily during the cooler nights to reduce foraging and digestion during the heat of the day. |
英文关键词 | white-tailed deer Odocoileus virginianus animal demands rumen-reticulum fill ruminants time constraints |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000344954300008 |
WOS关键词 | MULE DEER ; RUMINANTS ; REPRODUCTION ; TEMPERATURE ; SYNCHRONY ; CAPACITY ; BEHAVIOR ; BUDGETS ; SUMMER ; DESERT |
WOS类目 | Zoology |
WOS研究方向 | Zoology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/181268 |
作者单位 | Texas State Univ, Dept Biol, San Marcos, TX 78666 USA |
推荐引用方式 GB/T 7714 | Aiken, M. R. E.,Duarte, A.,Luna, R. S.,et al. Daytime declines in rumen-reticulum fill of male white-tailed deer (Odocoileus virginianus) from south Texas[J],2014,92(7):637-642. |
APA | Aiken, M. R. E.,Duarte, A.,Luna, R. S.,Wolcott, D. M.,&Weckerly, F. W..(2014).Daytime declines in rumen-reticulum fill of male white-tailed deer (Odocoileus virginianus) from south Texas.CANADIAN JOURNAL OF ZOOLOGY,92(7),637-642. |
MLA | Aiken, M. R. E.,et al."Daytime declines in rumen-reticulum fill of male white-tailed deer (Odocoileus virginianus) from south Texas".CANADIAN JOURNAL OF ZOOLOGY 92.7(2014):637-642. |
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