Magnesium concentration influences size and pulse rate in the upside-down jellyfish, Cassiopea andromeda [0.03%]
镁浓度影响倒立水母(Cassiopea andromeda)的大小和脉冲速率
Drayke Evans,Zachary Millar,Sophie Wolvin et al.
Drayke Evans et al.
Magnesium is involved in a variety of physiological processes in marine animals and is known to be deleterious in both excess and deficiency. The effects of magnesium concentration ranging from 700 mg/L (low), 1344 mg/L (control), and 2000 ...
Wearing the devil down: Rate of tooth wear varies between wild and captive Tasmanian devils [0.03%]
魔鬼穿棱齿:塔斯马尼亚恶魔与圈养牙齿磨损率不同
Tahlia I Pollock,Marissa L Parrott,Alistair R Evans et al.
Tahlia I Pollock et al.
Mammalian carnivores rely on their sharp teeth to effectively kill and consume prey. However, over time this causes wear and breakage that alters tooth shape, reducing their effectiveness. Extreme tooth wear and damage is especially prevale...
Age-based variation in calf independence, social behavior and play in a captive population of African elephant calves [0.03%]
基于年龄的独立性、社会行为和玩耍的差异:以非洲象为例
Patrick T Freeman,Erica L Anderson,Kristin B Allen et al.
Patrick T Freeman et al.
African elephant calves are highly social and their behavioral development depends heavily on interactions with other elephants. Evaluating early social behaviors offers important information that can inform management decisions and maximiz...
Ensiling of maple leaves and its use in winter nutrition of mantled guereza (Colobus guereza) [0.03%]
利用酸贮技术保存枫叶并用于毛面猴的冬季饲料添加研究
Olga Lasek,Patrycja Rajtar,Andrzej Malec et al.
Olga Lasek et al.
Young leaves are favored by mantled guereza (Colobus guereza) and the gastrointestinal tract of this species is well adapted to such a high fiber diet. Fresh maple leaves are often used in the diets for guereza in captivity but their use in...
Knowledge-based enrichment: Development of a novel enrichment device for captive chimpanzees [0.03%]
基于知识的环境丰富化:黑猩猩笼舍的一种新型环境丰富化装置的研发
James Brooks,Hiroto Yoshimura,Yuto Taki
James Brooks
The field of environmental enrichment has grown considerably, but most enrichment is still focused on tasks where highly valued food rewards are directly visible. We designed a device which would instead make use of knowledge states, motiva...
Milk composition of white rhinoceros over lactation and comparison with other Perissodactyla [0.03%]
副蹄下目动物泌乳期乳汁成分的变化及白犀牛与其他副蹄下目动物的比较
Gernot Osthoff,Blake Beukes,Aletta C Steyn et al.
Gernot Osthoff et al.
The proximate composition of milk from fifteen free-ranging white rhinoceroses at different lactation stages is reported with detailed analysis of fatty acid composition and minerals. Lactose is the main component at 7.93 ± 0.53%, followed...
Understanding sociality and behavior change associated with a nesting event in a captive flock of great white pelicans [0.03%]
了解与饲养的大白鹈鹕筑巢事件相关的社交行为变化
James E Brereton,James Fryer,Paul E Rose
James E Brereton
Zoo-housed pelicans are commonplace, but their breeding record is poor and little research is published on the activity patterns, as potential predictors of nesting, of captive flocks. Existing literature shows that comparative research can...
Visitor presence and a changing soundscape, alongside environmental parameters, can predict enclosure usage in captive flamingos [0.03%]
参观者的存在和不断变化的声音景观,以及环境参数可以预测火烈鸟围栏的使用情况
Paul Rose,Alexander Badman-King,Samantha Hurn et al.
Paul Rose et al.
The sound environment of a zoo animal is a complex milieu of animal and human-generated sounds; coming from the species itself, other species, visitors, keepers and other zoo-users. Research determining how different components of the sound...
Enrichment devices for green turtles (Chelonia mydas) reared in captivity programs [0.03%]
用于人工养殖绿海龟的行为促进装置
Hirun Kanghae,Karun Thongprajukaew,Surasak Inphrom et al.
Hirun Kanghae et al.
Environmental enrichment supports the well-being and welfare of captive animals. In the current study, the most suitable form of enrichment device for captive green turtles (Chelonia mydas) was investigated, to support head-start programs r...
Validating the use of fecal glucocorticoid metabolite analysis to assess the adrenocortical activity of the zoo-housed Sichuan takin (Budorcas taxicolor tibetana) [0.03%]
粪便皮质类固醇代谢物分析在评估四川羚牛圈养压力中的应用价值研究
Rachel M Santymire,Angie Adkin,David Bernier et al.
Rachel M Santymire et al.
With limited information known about the zoo-housed Sichuan takin (Budorcas taxicolor tibetana), there is a need to gain more knowledge about their basic physiology to be able to better assess their well-being. Our goal was to develop nonin...