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https://www.readbyqxmd.com/read/27926915/cheetah-reunion-the-challenge-of-finding-your-friends-again
#1
Tatjana Y Hubel, Justine Shotton, Simon D Wilshin, Jane Horgan, Rebecca Klein, Rick McKenna, Alan M Wilson
Animals navigate their environment using a variety of senses and strategies. This multiplicity enables them to respond to different navigational requirements resulting from habitat, scale and purpose. One of the challenges social animals face is how to reunite after periods of separation. We explore a variety of possible mechanisms used to reunite the members of a cheetah coalition dispersed within a large area after prolonged separation. Using GPS data from three cheetahs reuniting after weeks of separation, we determined that 1) the likelihood of purely coincidental reunion is miniscule 2) the reunion occurred in an area not normally frequented 3) with very little time spent in the region in advance of the reunion...
2016: PloS One
https://www.readbyqxmd.com/read/27913878/piroplasms-in-brown-hyaenas-parahyaena-brunnea-and-spotted-hyaenas-crocuta-crocuta-in-namibia-and-south-africa-are-closely-related-to-babesia-lengau
#2
Richard E J Burroughs, Barend L Penzhorn, Ingrid Wiesel, Nancy Barker, Ilse Vorster, Marinda C Oosthuizen
The objective of our study was identification and molecular characterization of piroplasms and rickettsias occurring in brown (Parahyaena brunnea) and spotted hyaenas (Crocuta crocuta) from various localities in Namibia and South Africa. Whole blood (n = 59) and skin (n = 3) specimens from brown (n = 15) and spotted hyaenas (n = 47) were screened for the presence of Babesia, Theileria, Ehrlichia and Anaplasma species using the reverse line blot (RLB) hybridization technique. PCR products of 52/62 (83...
December 2, 2016: Parasitology Research
https://www.readbyqxmd.com/read/27913453/movement-patterns-of-cheetahs-acinonyx-jubatus-in-farmlands-in-botswana
#3
L K Van der Weyde, T Y Hubel, J Horgan, J Shotton, R McKenna, A M Wilson
Botswana has the second highest population of cheetah (Acinonyx jubatus) with most living outside protected areas. As a result, many cheetahs are found in farming areas, bringing them into conflict with people. This study aimed to look at movement patterns of cheetahs in farming environments to determine whether cheetahs have adapted their movements in these human-dominated landscapes. We fitted high-time resolution GPS collars to cheetahs in the Ghanzi farmlands of Botswana. GPS locations were used to calculate home range sizes as well as number and duration of visits to landscape features using a time-based local convex hull method...
December 2, 2016: Biology Open
https://www.readbyqxmd.com/read/27908659/public-exposure-and-number-of-conspecifics-have-no-influence-on-ovarian-and-adrenal-activity-in-the-cheetah-acinonyx-jubatus
#4
Diana C Koester, David E Wildt, Janine L Brown, Karen Meeks, Adrienne E Crosier
Cheetahs in managed zoological collections do not reproduce efficiently, a problem that may be related to environmental/management stressors. In this study, we examined 17 adult female cheetahs to determine the influence of two environmental factors, (1) being housed on- or off-exhibit and (2) number of adult conspecifics (males and/or females) in nearby enclosures, on profiles and concentrations of ovarian and adrenal hormones. Secondarily, we assessed a subset of group-housed siblings (n = 5 in groups of 2 or 3) for effects of long-term cohabitation...
November 28, 2016: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/27898922/influence-of-pork-and-pork-by-products-on-macronutrient-and-energy-digestibility-and-palatability-in-large-exotic-felids
#5
C J Iske, C L Morris, K L Kappen
Two experiments were conducted to evaluate digestibility and palatability of a new commercial pork-based raw diet for zoo-managed felids. Currently 2 protein sources (beef or horse) comprise the majority of commercial raw meat diet formulations for exotic carnivores in zoological institutions. Pork-based diets have traditionally not been widely utilized and thus nutrient digestibility of pork has not been adequately evaluated in exotic carnivores. The objectives of this study were 1) to determine if a pork-based diet had similar apparent total tract macronutrient digestibility and fecal scores as standard zoo carnivore diets formulated with either horse or beef, in large exotic felids and 2) evaluate palatability of pork for use in zoos...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27812324/big-cat-coalitions-a-comparative-analysis-of-regional-brain-volumes-in-felidae
#6
Sharleen T Sakai, Bradley M Arsznov, Ani E Hristova, Elise J Yoon, Barbara L Lundrigan
Broad-based species comparisons across mammalian orders suggest a number of factors that might influence the evolution of large brains. However, the relationship between these factors and total and regional brain size remains unclear. This study investigated the relationship between relative brain size and regional brain volumes and sociality in 13 felid species in hopes of revealing relationships that are not detected in more inclusive comparative studies. In addition, a more detailed analysis was conducted of four focal species: lions (Panthera leo), leopards (Panthera pardus), cougars (Puma concolor), and cheetahs (Acinonyx jubatus)...
2016: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/27802837/comparison-of-carnivore-omnivore-and-herbivore-mammalian-genomes-with-a-new-leopard-assembly
#7
Soonok Kim, Yun Sung Cho, Hak-Min Kim, Oksung Chung, Hyunho Kim, Sungwoong Jho, Hong Seomun, Jeongho Kim, Woo Young Bang, Changmu Kim, Junghwa An, Chang Hwan Bae, Youngjune Bhak, Sungwon Jeon, Hyejun Yoon, Yumi Kim, JeHoon Jun, HyeJin Lee, Suan Cho, Olga Uphyrkina, Aleksey Kostyria, John Goodrich, Dale Miquelle, Melody Roelke, John Lewis, Andrey Yurchenko, Anton Bankevich, Juok Cho, Semin Lee, Jeremy S Edwards, Jessica A Weber, Jo Cook, Sangsoo Kim, Hang Lee, Andrea Manica, Ilbeum Lee, Stephen J O'Brien, Jong Bhak, Joo-Hong Yeo
BACKGROUND: There are three main dietary groups in mammals: carnivores, omnivores, and herbivores. Currently, there is limited comparative genomics insight into the evolution of dietary specializations in mammals. Due to recent advances in sequencing technologies, we were able to perform in-depth whole genome analyses of representatives of these three dietary groups. RESULTS: We investigated the evolution of carnivory by comparing 18 representative genomes from across Mammalia with carnivorous, omnivorous, and herbivorous dietary specializations, focusing on Felidae (domestic cat, tiger, lion, cheetah, and leopard), Hominidae, and Bovidae genomes...
October 11, 2016: Genome Biology
https://www.readbyqxmd.com/read/27796106/reference-intervals-for-selected-serum-biochemistry-analytes-in-cheetahs-i-acinonyx-jubatus-i
#8
Gavin C Hudson-Lamb, Johan P Schoeman, Emma H Hooijberg, Sonja K Heinrich, Adrian S W Tordiffe
Published haematologic and serum biochemistry reference intervals are very scarce for captive cheetahs and even more for free-ranging cheetahs. The current study was performed to establish reference intervals for selected serum biochemistry analytes in cheetahs. Baseline serum biochemistry analytes were analysed from 66 healthy Namibian cheetahs. Samples were collected from 30 captive cheetahs at the AfriCat Foundation and 36 free-ranging cheetahs from central Namibia. The effects of captivity-status, age, sex and haemolysis score on the tested serum analytes were investigated...
February 26, 2016: Journal of the South African Veterinary Association
https://www.readbyqxmd.com/read/27763827/serosurvey-for-selected-viral-pathogens-among-sympatric-species-of-the-african-large-predator-guild-in-northern-botswana
#9
Anne-Lise Chaber, Gabriele Cozzi, Femke Broekhuis, Robyn Hartley, John W McNutt
The recent increase in the creation of transboundary protected areas and wildlife corridors between them lends importance to information on pathogen prevalence and transmission among wildlife species that will become connected. One such initiative is the Kavango Zambezi Transfrontier Conservation Area of which Botswana's Okavango Delta constitutes a major contribution for wildlife and ecosystems. Between 2008 and 2011, we collected serum samples from 14 lions ( Panthera leo ), four leopards ( Panthera pardus ), 19 spotted hyenas ( Crocuta crocuta ), and six cheetahs ( Acinonyx jubatus ) in the Okavango...
October 20, 2016: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/27749345/agreement-of-bioreactance-cardiac-output-monitoring-with-thermodilution-during-hemorrhagic-shock-and-resuscitation-in-adult-swine
#10
David A Berlin, Harrison Peprah-Mensah, Seth Manoach, Paul M Heerdt
OBJECTIVE: The study tests the hypothesis that noninvasive cardiac output monitoring based upon bioreactance (Cheetah Medical, Portland, OR) has acceptable agreement with intermittent bolus thermodilution over a wide range of cardiac output in an adult porcine model of hemorrhagic shock and resuscitation. DESIGN: Prospective laboratory animal investigation. SETTING: Preclinical university laboratory. SUBJECTS: Eight ~ 50 kg Yorkshire swine with a femoral artery catheter for blood pressure measurement and a pulmonary artery catheter for bolus thermodilution...
October 3, 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27691976/nephropathies-in-the-european-captive-cheetah-acinonyx-jubatus-population
#11
Angelika Url, Verena Krutak, Anna Kübber-Heiss, Sonja Chvala-Mannsberger, Nadia Robert, Nora Dinhopl, Peter Schmidt, Chris Walzer
According to previous studies in captive cheetah ( Acinonyx jubatus ) populations, one of the most threatening diseases besides amyloidosis, myelopathy, veno occlusive disease, and gastritis, is renal failure. Contrary to captive cheetahs in North America and South Africa, morphological data concerning renal lesions in the cheetah European Endangered Species Program (EEP) are lacking. This study details the histological characterization as well as immunohistochemical and morphometrical analysis of nephropathies in 35 captive cheetahs from the EEP, which were necropsied between 1985 and 2003...
September 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27670936/fertility-suppression-of-some-wildlife-species-in-southern-africa-a-review
#12
H J Bertschinger, P Caldwell
Generally speaking, southern Africa's wildlife populations in small-to-medium-sized protected game reserves (10,000-65,000 ha) reproduce at rapid rates which often lead overpopulation of certain species. Most commonly these are large predators such as lions, African wild dogs and cheetahs, and elephants. Overpopulation of large predators leads to depletion of prey species, breakouts into neighbouring communities and increased risks for disease transmission. An overabundance of elephants leads to habitat destruction which is to the detriment of not only other herbivores but also certain bird species...
September 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27453220/isolation-of-bartonella-henselae-bartonella-koehlerae-subsp-koehlerae-bartonella-koehlerae-subsp-bothieri-and-a-new-subspecies-of-b-koehlerae-from-free-ranging-lions-panthera-leo-from-south-africa-cheetahs-acinonyx-jubatus-from-namibia-and-captive-cheetahs
#13
S Molia, R W Kasten, M J Stuckey, H J Boulouis, J Allen, G M Borgo, J E Koehler, C C Chang, B B Chomel
Bartonellae are blood- and vector-borne Gram-negative bacteria, recognized as emerging pathogens. Whole-blood samples were collected from 58 free-ranging lions (Panthera leo) in South Africa and 17 cheetahs (Acinonyx jubatus) from Namibia. Blood samples were also collected from 11 cheetahs (more than once for some of them) at the San Diego Wildlife Safari Park. Bacteria were isolated from the blood of three (5%) lions, one (6%) Namibian cheetah and eight (73%) cheetahs from California. The lion Bartonella isolates were identified as B...
November 2016: Epidemiology and Infection
https://www.readbyqxmd.com/read/27412267/quasi-steady-state-aerodynamics-of-the-cheetah-tail
#14
Amir Patel, Edward Boje, Callen Fisher, Leeann Louis, Emily Lane
During high-speed pursuit of prey, the cheetah (Acinonyx jubatus) has been observed to swing its tail while manoeuvring (e.g. turning or braking) but the effect of these complex motions is not well understood. This study demonstrates the potential of the cheetah's long, furry tail to impart torques and forces on the body as a result of aerodynamic effects, in addition to the well-known inertial effects. The first-order aerodynamic forces on the tail are quantified through wind tunnel testing and it is observed that the fur nearly doubles the effective frontal area of the tail without much mass penalty...
2016: Biology Open
https://www.readbyqxmd.com/read/27380652/feline-panleukopaenia-virus-in-captive-non-domestic-felids-in-south-africa
#15
Emily P Lane, Helene Brettschneider, Peter Caldwell, Almero Oosthuizen, Desiré L Dalton, Liza du Plessis, Johan Steyl, Antoinette Kotze
An outbreak of feline panleukopaenia virus (FPLV) infection was diagnosed by pathology, electron microscopy and polymerase chain reaction (PCR) in vaccinated captive-bred subadult cheetahs in South Africa. Subsequent to this disease outbreak, 12 cases of FPLV diagnosed on histology were confirmed by PCR in captive African black-footed cat, caracal, cheetah, lion, ocelot and serval. Phylogenetic analyses of the viral capsid protein gene on PCR-positive samples, vaccine and National Center for Biotechnology Information (NCBI) reference strains identified a previously unknown strain of FPLV, present since at least 2006, that differs from both the inactivated and the modified live vaccine strains...
2016: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/27362643/acoustic-structure-and-contextual-use-of-calls-by-captive-male-and-female-cheetahs-acinonyx-jubatus
#16
Darya S Smirnova, Ilya A Volodin, Tatyana S Demina, Elena V Volodina
The vocal repertoire of captive cheetahs (Acinonyx jubatus) and the specific role of meow vocalizations in communication of this species attract research interest about two dozen years. Here, we expand this research focus for the contextual use of call types, sex differences and individual differences at short and long terms. During 457 trials of acoustic recordings, we collected calls (n = 8120) and data on their contextual use for 13 adult cheetahs (6 males and 7 females) in four Russian zoos. The cheetah vocal repertoire comprised 7 call types produced in 8 behavioural contexts...
2016: PloS One
https://www.readbyqxmd.com/read/27297851/a-randomized-controlled-trial-of-levosimendan-to-reduce-mortality-in-high-risk-cardiac-surgery-patients-cheetah-rationale-and-design
#17
Alberto Zangrillo, Gabriele Alvaro, Antonio Pisano, Fabio Guarracino, Rosetta Lobreglio, Nikola Bradic, Rosalba Lembo, Stefano Gianni, Maria Grazia Calabrò, Valery Likhvantsev, Evgeny Grigoryev, Giuseppe Buscaglia, Giovanni Pala, Elisabetta Auci, Bruno Amantea, Fabrizio Monaco, Giovanni De Vuono, Antonio Corcione, Nicola Galdieri, Claudia Cariello, Tiziana Bove, Evgeny Fominskiy, Stefano Auriemma, Massimo Baiocchi, Alessandro Bianchi, Mario Frontini, Gianluca Paternoster, Fabio Sangalli, Chew-Yin Wang, Maria Chiara Zucchetti, Giuseppe Biondi-Zoccai, Marco Gemma, Michael J Lipinski, Vladimir V Lomivorotov, Giovanni Landoni
OBJECTIVE: Patients undergoing cardiac surgery are at risk of perioperative low cardiac output syndrome due to postoperative myocardial dysfunction. Myocardial dysfunction in patients undergoing cardiac surgery is a potential indication for the use of levosimendan, a calcium sensitizer with 3 beneficial cardiovascular effects (inotropic, vasodilatory, and anti-inflammatory), which appears effective in improving clinically relevant outcomes. DESIGN: Double-blind, placebo-controlled, multicenter randomized trial...
July 2016: American Heart Journal
https://www.readbyqxmd.com/read/27275146/data-processing-pipeline-for-serial-femtosecond-crystallography-at-sacla
#18
Takanori Nakane, Yasumasa Joti, Kensuke Tono, Makina Yabashi, Eriko Nango, So Iwata, Ryuichiro Ishitani, Osamu Nureki
A data processing pipeline for serial femtosecond crystallography at SACLA was developed, based on Cheetah [Barty et al. (2014). J. Appl. Cryst. 47, 1118-1131] and CrystFEL [White et al. (2016). J. Appl. Cryst. 49, 680-689]. The original programs were adapted for data acquisition through the SACLA API, thread and inter-node parallelization, and efficient image handling. The pipeline consists of two stages: The first, online stage can analyse all images in real time, with a latency of less than a few seconds, to provide feedback on hit rate and detector saturation...
June 1, 2016: Journal of Applied Crystallography
https://www.readbyqxmd.com/read/27226283/mono-and-diiodo-1-2-3-triazoles-and-their-mono-nitro-derivatives
#19
Deepak Chand, Chunlin He, Joseph P Hooper, Lauren A Mitchell, Damon A Parrish, Jean'ne M Shreeve
4-Iodo-1H-1,2,3-triazole (2) and 4,5-diiodo-1H-1,2,3-triazole (3) were synthesized using an efficient and viable synthetic route. The N-alkylation of 3 resulted in the formation of two tautomers. The N-alkyl-diiodo-triazoles were nitrated with 100% nitric acid to form monoiodo-mononitro-triazoles. The structures of 2-methyl-4,5-diiodo-1,2,3-triazole (5), 1-ethyl-4,5-diiodo-1,2,3-triazole (6), 1-methyl-4-nitro-5-iodo-1,2,3-triazole (8) and 1-ethyl-4-nitro-5-iodo-1,2,3-triazole (10) were confirmed by X-ray crystal analysis...
June 21, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27214261/effects-of-hand-rearing-on-reproductive-success-in-captive-large-cats-panthera-tigris-altaica-uncia-uncia-acinonyx-jubatus-and-neofelis-nebulosa
#20
Maja Coulthard Hampson, Christoph Schwitzer
Species Survival Plans and European Endangered Species Programmes have been developed for several species of endangered felids in order to build up captive reserve populations and support their conservation in the wild. The Siberian tiger (Panthera tigris altaica), snow leopard (Uncia uncia), cheetah (Acinonyx jubatus) and clouded leopard (Neofelis nebulosa) are managed in such ex situ conservation programmes. Many zoological institutions hand-rear offspring if rearing by the mother fails. Hand-rearing can cause behavioural problems, resulting in decreased copulation and lower breeding success in some species...
2016: PloS One
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