A guide to estimating the age of Masai giraffes (Giraffa camelopardalis tippelskirchi)

8.96 MB 21 downloads

Abstract: This is a guide for estimating the age of Masai giraffes (Giraffa camelopardalis tippelskirchi) with noninvasive methods.  Giraffes are commonly categorized into three age classes: calf (0 – 1 year),...

Author(s): Megan K.L. Strauss
Year: 2015
Journal: Unknown
Page Numbers: 1-57

Large-scale ruminant genome sequencing provides insights into their evolution and distinct traits

3.20 MB 0 downloads

Abstract: The ruminants are one of the most successful mammalian lineages, exhibiting morphological and habitat diversity and containing several key livestock species. To better understand their evolution, we generated...

Author(s): Lei Chen, Qiang Qiu, Yu Jiang, Kun Wang, Zeshan Lin, Zhipeng Li, Faysal Bibi, Yongzhi Yang, Jinhuan Wang, Wenhui Nie, Weiting Su, Guichun Liu, Qiye Li, Weiwei Fu, Xiangyu Pan, Chang Liu, Jie Yang, Chenzhou Zhang, Yuan Yin, Yu Wang, Yue Zhao, Chen Zhang, Zhongkai Wang, Yanli Qin, Wei Liu, Bao Wang, Yandong Ren, Ru Zhang, Yan Zeng, Rute R. da Fonseca, Bin Wei, Ran Li, Wenting Wan, Ruoping Zhao, Wenbo Zhu, Yutao Wang, Shengchang Duan, Yun Gao, Yong E. Zhang, Chunyan Chen, Christina Hvilsom, Clinton W. Epps, Leona G. Chemnick, Yang Dong, Siavash Mirarab, Hans Redlef Siegismund, Oliver A. Ryder, M. Thomas P. Gilbert, Harris A. Lewin, Guojie Zhang, Rasmus Heller and Wen Wang
Year: 2019
Journal: Science
Page Numbers: 1-12

Revisiting giraffe photo-identification using deep learning and network analysis

6.19 MB 5 downloads

Abstract: An increasing number of research programs rely on photographic capture-recapture (vs. direct marking) of individuals to study distribution and demography within animal populations. Photo-identification...

Author(s): Vincent Miele, Gaspard Dussert, Bruno Spataro, Simon Chamaille-Jammes, Dominique Allaine and Christophe Bonenfant
Year: 2020
Journal: BioRxiv preprint
Page Numbers: 1-17

A model for time-dependent flow in (giraffe jugular) veins: uniform tube properties

1.99 MB 1 downloads

Abstract: Computations are reported for a one-dimensional model of time-dependent flow in collapsible tubes representing long mammalian veins. The tubes are taken to have uniform intrinsic properties and we concentrate...

Author(s): B.S. Brook & T.J. Pedley
Year: 2002
Journal: Journal of Biomechanics
Page Numbers: 95-107

The Evolution of the Long-Necked Giraffe (Giraffa camelopardalis L.) – What Do We Really Know? (Part 2)

1.68 MB 10 downloads

Abstract: Introduction: The story which is commonly taught in high schools about the evolution of the long-necked giraffe by natural selection (feeding-competition-hypothesis) fails to explain, among other things,...

Author(s): Wolf-Ekkehard Lönnig
Year: 2010
Journal: Internet Library
Page Numbers: 1-38

Giraffe weight estimation using dissected leg weight and body measurements

338.41 KB 20 downloads

Abstract: Data from 44 adult giraffes (Giraffa camelopardalis) showed that leg weight as a percentage of body weight is sufficiently constant to provide regression equations useful for estimating body or carcass...

Author(s): A. J. Hall-Martin
Year: 1977
Journal: The Journal of Wildlife Management
Page Numbers: 740-745

Diameter of coronary arteries in 36 species of mammalian from mouse to giraffe

1.71 MB 16 downloads

Abstract: Systematic quantitative investigations were performed in the coronary arteries of 102 hearts of 36 mammal species with an overall more than tenthousandfold difference of their heart weight. After postmortem...

Author(s): J. W. Thüroff, W. Hort and H. Lichti
Year: 1984
Journal: Basic Research in Cardiology
Page Numbers: 199–206

How giraffes prevent oedema

442.63 KB 18 downloads

Abstract: An upright giraffe, by analogy with humans, ought to suffer massive oedema in its feet; moreover, when it lowers its head to drink, the blood should rush down into it and be unable to flow up again. New...

Author(s): T.]. Pedley
Year: 1987
Journal: Nature
Page Numbers: 13-14

The structural organization of the carotid arterial system of the giraffe (Giraffa camelopardalis)

5.29 MB 16 downloads

Abstract: Carotid arteries in the giraffe were removed and their structural organization studied with light microscopy. It has been shown that the carotid artery has a largely muscular structure in the adult except...

Author(s): James Kirumbi Kimani
Year: 1983
Journal: African Journal of Ecology
Page Numbers: 317-324

Gravitational haemodynamics and oedema prevention in the giraffe

661.59 KB 19 downloads

Abstract: Because it is so tall, the giraffe, Giraffa camelopardalis, provides an important animal model for investigating adaptive mechanisms to orthostatic (gravitational) pressure changes. Previous physiological...

Author(s): Alan R. Hargens, Ronald W. Millard, Knut Pettersson & Kjell Johansen
Year: 1978
Journal: Nature
Page Numbers: 59–60