Results 41 to 50 of about 64,870 (279)

Survival Analysis and Interpretation of Time-to-Event Data: The Tortoise and the Hare

open access: yesAnesthesia and Analgesia, 2018
Survival analysis, or more generally, time-to-event analysis, refers to a set of methods for analyzing the length of time until the occurrence of a well-defined end point of interest.
P. Schober, T. Vetter
semanticscholar   +1 more source

Epidemiological Investigation of a Mortality Event in a Translocated Gopher Tortoise (Gopherus polyphemus) Population in Northwest Florida

open access: yesFrontiers in Veterinary Science, 2020
Nokuse Plantation, a 22,055 ha private conservation preserve in northwest Florida, is a recipient site for gopher tortoises translocated from development sites in Florida.
R. A. Cozad   +6 more
semanticscholar   +1 more source

Given the Cold Shoulder: A Review of the Scientific Literature for Evidence of Reptile Sentience

open access: yesAnimals, 2019
We searched a selection of the scientific literature to document evidence for, and explorations into reptile sentience. The intention of this review was to highlight; (1) to what extent reptile capability for emotions have been documented in the ...
Helen Lambert   +2 more
doaj   +1 more source

The role of Virus "X" (Tortoise Picornavirus) in kidney disease and shell weakness syndrome in European tortoise species determined by experimental infection [PDF]

open access: yes, 2019
Tortoise Picornavirus (ToPV) commonly known as Virus "X" was recently discovered in juvenile European tortoises suffering from soft carapace and plastron as well as kidney disease.
Failing, K.   +4 more
core   +1 more source

“Ancient DNA” reveals that the scientific name for an extinct tortoise from Cape Verde refers to an extant South American species

open access: yesScientific Reports, 2021
We examined the type material of the extinct tortoise species Geochelone atlantica López-Jurado, Mateo and García-Márquez, 1998 from Sal Island, Cape Verde, using aDNA approaches and AMS radiocarbon dating.
Christian Kehlmaier   +4 more
doaj   +1 more source

Predation impact on threatened spur-thighed tortoises by golden eagles when main prey is scarce

open access: yesScientific Reports, 2022
A reduction in adult survival in long-living species may compromise population growth rates. The spur-thighed tortoise (Testudo graeca) is a long-lived reptile that is threatened by habitat loss and fragmentation. Golden eagles (Aquila chrysaetos), whose
José M. Gil-Sánchez   +11 more
doaj   +1 more source

Quantum Radiation Properties of General Nonstationary Black Hole

open access: yes, 2017
Using the generalized tortoise coordinate transformations the quantum radiation properties of Klein-Gordon scalar particles, Maxwell's electromagnetic field equations and Dirac equations are investigated in general non-stationary black hole.
Singh, T. Ibungochouba
core   +2 more sources

Eimeria species (Apicomplexa: Eimeriidae) of podocnemis expansa (Schweigger) and geochelone denticulata (LINN.) from Amazonian Brazil (Reptilia: Chelonia)

open access: yesMemorias do Instituto Oswaldo Cruz, 1990
Eimeria lagunculata, Eimeria mammiformis and Eimeria podocnemis n. spp., are described from the faeces of the fresh-water turtle Podocnemis expansa, in Pará State, north Brasil. Oocysts of E.
Ralph Lainson   +2 more
doaj   +1 more source

Linear and landscape disturbances alter Mojave desert tortoise movement behavior

open access: yesFrontiers in Ecology and Evolution, 2023
IntroductionAnimal movements are influenced by landscape features; disturbances to the landscape can alter movements, dispersal, and ultimately connectivity among populations.
Steven J. Hromada   +7 more
doaj   +1 more source

The basal release of endothelium-derived catecholamines regulates the contractions of Chelonoidis carbonaria aorta caused by electrical-field stimulation

open access: yesBiology Open, 2021
The contractions of Chelonoidis carbonaria aortic rings induced by electrical field stimulation (EFS) are not inhibited by blockade of the voltage-gated sodium channels by tetrodotoxin but almost abolished by the α1/α2-adrenoceptor antagonist ...
José Britto-Júnior   +10 more
doaj   +1 more source

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