A system for predicting energy and protein requirements of wild ruminants [0.03%]
一种预测反刍动物能量和蛋白质需求的系统模型
Timothy J Hackmann
Timothy J Hackmann
Wild ruminants require energy and protein for the normal function. I developed a system for predicting these energy and protein requirements across ruminant species and life stages. This system defines requirements on the basis of net energ...
Hormonal induction of spermiation, courting behavior and spawning in the southern bell frog, Litoria raniformis [0.03%]
南方铃蛙精子诱导、求偶行为和产卵的激素诱导
Reinier M Mann,Ross V Hyne,Catherine B Choung
Reinier M Mann
We trialled the efficacy of various exogenous hormones to induce spermiation, courtship behavior, and spawning in the "endangered" southern bell frog, Litoria raniformis. Intralymphatic administration of Lucrin(®), a synthetic nonapeptide ...
Investigating the impact of rank and ovarian activity on the social behavior of captive female African elephants [0.03%]
探讨等级和卵巢活动对圈养非洲雌象社会行为的影响研究
Elizabeth W Freeman,Bruce A Schulte,Janine L Brown
Elizabeth W Freeman
Over a third of captive female African elephants in North America fail to exhibit normal estrous cycles based on long-term serum progestagen analyses. Why acyclicity occurs is unknown; however, the majority of noncycling females are ranked ...
Results of a second survey to assess the reproductive status of female Asian and African elephants in North America [0.03%]
第二次调查评估北美洲亚洲和非洲雌性大象繁殖状态的结果
Christine M Proctor,Elizabeth W Freeman,Janine L Brown
Christine M Proctor
Surveys are being conducted to monitor the reproductive health of elephants managed by the TAG/SSP. This study summarizes results of a 2005 survey and compares data to one conducted in 2002. Surveys were returned for 100% and 79.0% of Asian...
Developmental milestones among African elephant calves on their first day of life [0.03%]
非洲象幼象出生第一天的成长发育里程碑事件研究
Fred B Bercovitch,Jeff Andrews
Fred B Bercovitch
A recurrent issue confronted by zoos is the extent to which animals living ex situ have life history profiles representative of those living in situ. The lengthy lifespan of African elephants hinders collecting proper comparative data, but ...
A survey of the management and development of captive African elephant (Loxodonta africana) calves: birth to three months of age [0.03%]
圈养非洲象（Loxodonta africana）幼仔的管理与发育调查：从出生到三个月大小时期
Nicole L Kowalski,Robert H I Dale,Christa L H Mazur
Nicole L Kowalski
We used four surveys to collect information about the birth, physical growth, and behavioral development of 12 African elephant calves born in captivity. The management of the birth process and neonatal care involved a variety of standard p...
Birth statistics for African (Loxodonta africana) and Asian (Elephas maximus) elephants in human care: history and implications for elephant welfare [0.03%]
非洲（洛佐当塔· Africana）和亚洲（埃拉弗斯·马克斯伊姆斯）大象的出生统计：历史及对大象福利的影响
Robert H I Dale
Robert H I Dale
African (Loxodonta africana) and Asian elephants (Elephas maximus) have lived in the care of humans for many years, yet there is no consensus concerning some basic parameters describing their newborn calves. This study provides a broad empi...
Visitor interest in zoo animals and the implications for collection planning and zoo education programmes [0.03%]
动物园访客对动物的兴趣以及其对馆藏规划和动物园教育项目的影响
Andrew Moss,Maggie Esson
Andrew Moss
As zoos have sought to further their conservation missions, they have become powerful providers of environmental education. Outside of "formal" education initiatives, such as those designed for school and other organized groups, or structur...
May captive populations of Greater Rhea (Rhea americana) act as genetic reservoirs in Argentina? [0.03%]
阿根廷的大美洲鸵（Rhea americana）人工种群能充当遗传储存库吗？
V Alonso Roldán,J L Navarro,C N Gardenal et al.
V Alonso Roldán et al.
The Greater Rhea (Rhea americana) is a characteristic bird of the Argentine Pampas. Despite the increasing farming interest of this ratite, their natural populations are progressively decreasing in size and range. The object of this study w...
Evaluation of adrenocortical function in Florida manatees (Trichechus manatus latirostris) [0.03%]
评价佛罗里达海牛( Trichechus manatus latirostris )的肾上腺皮质功能
Kathleen M Tripp,John P Verstegen,Charles J Deutsch et al.
Kathleen M Tripp et al.
The study objectives were to determine the predominant manatee glucocorticoid; validate assays to measure this glucocorticoid and adrenocorticotropic hormone (ACTH); determine diagnostic thresholds to distinguish physiological vs. pathologi...