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Modalities applied to measurement of ejection fraction is an emerging field of medical mathematics and subsequent computational applications. The first common measurement method is echocardiography, [7] [8] although cardiac magnetic resonance imaging (MRI), [8] [9] cardiac computed tomography, [8] [9] ventriculography and nuclear medicine (gated SPECT and radionuclide angiography) [8] [10 ...
A range of 9.5 and 11.6 mm can be found between various breeds of dogs. This 20% variance is associated with an adaptation toward superior night vision. [35]: 139 The eyes of different breeds of dogs have different shapes, dimensions, and retina configurations. [37]
This list of dog breeds includes both extant and extinct dog breeds, varieties and types. A research article on dog genomics published in Science/AAAS defines modern dog breeds as "a recent invention defined by conformation to a physical ideal and purity of lineage". [1] According to BigThink, over 40% of the world's dog breeds come from the ...
The American Bully is a modern breed of dog that was developed as a companion dog, and originally standardized and recognized as a breed in 2004 by the American Bully Kennel Club (ABKC). Their published breed standard describes the dog as giving the "impression of great strength for its size".
The aging profile of dogs varies according to their adult size (often determined by their breed): smaller breeds have an average lifespan of 10–15 years, with some even exceeding 18 years in age; medium breeds typically live for 10 to 13 years; and giant dog breeds have the lowest minimum lifespan, with an overall average of 8 to 13 years ...
Striped hyenas are known to kill dogs in their range. [160] Dogs as introduced predators have affected the ecology of New Zealand, which lacked indigenous land-based mammals before human settlement. [161] Dogs have made 11 vertebrate species extinct and are identified as a 'potential threat' to at least 188 threatened species worldwide. [162]
Video shows a disabled senior dog transformed and settling into a new home Helen, […] The post Disabled Rescue Dog’s Tear-Jerking Transformation Captured in Video appeared first on DogTime.
The Central Asian Shepherd Dog, also known as the Alabay, Alabai (Turkmen: Alabaý, Kazakh: Төбет) and Turkmen Wolf-Hound (Туркменский волкодав), [2] is a livestock guardian dog breed. Traditionally, the breed was used for guarding sheep and goat herds, as well as to protect and for guard duty.