Results 41 to 50 of about 944 (204)
The complete mitochondrial genome of Psammomys obesus (Rodentia: Muridae)
Mitochondrial DNA. Part B. Resources, 2018 The fat sand rats (Psammomys obesus) can easily induce obesity and acquire type 2 diabetes mellitus when they are fed with high-carbohydrate diets. P. obesus is often used as an animal model for studies on diabetes and obesity.
Yanhong Lan, Mengjia Liu, Yi Cao
doaj +1 more source
Cardiac morphological and morphometric analysis of Ardea alba
The Anatomical Record, EarlyView.Abstract Ardea alba (Linnaeus, 1758) is a widely distributed heron species whose cardiovascular morphology remains poorly described. This study aimed to characterize the cardiac morphology and morphometry of adult A. alba. Ten specimens were analyzed using radiographic, morphometric, histological, scanning electron microscopy, and three‐dimensional ...
Julia Vaz Feio +5 more
wiley +1 more source
Ratite phylogeny and distribution with comments on evolutionary processes
, 2023 This paper explains the ubiquitous nature of character conflicts in a taxonomic group, and the ratites are a typical example. Convergence due to similar selection pressures is usually invoked to explain these contradictions.
Coldiron, Ronn William
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Morphology of the tongue of the emu (Dromaius novaehollandiae). II. Histological features
Onderstepoort Journal of Veterinary Research, 2009 Although a number of brief, fragmented descriptions have been provided on the gross morphology of the ratite tongue, very few studies have documented the histological structure of this organ.
M.R. Crole, J.T. Soley
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Journal of Anatomy, EarlyView.Sternum morphology varies among birds and is a function of body mass and order. The area of the sternum is inversely related to the area of the keel suggesting that the increase in bone mass associated with a large keel has been mitigated by a reduction in bone mass of the sternum.
D. C. Deeming
wiley +1 more source
Welfare issues associated with Ratite husbandry practices
, 2011 Animal Welfare; Vol. 11This chapter examines some of the methods being used to assess welfare in ratites, identifies the welfare issues associated with declawing and highlights concerns with stockperson skills and brooder house management.
Glatz, P., P. C. Glatz
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A novel transient structure with phylogenetic implications found in ratite spermatids [PDF]
, 2013 BACKGROUND: A novel transient structure was observed in the spermatids of three ratite species using transmission electron microscopy. RESULTS: The structure first appeared at the circular manchette stage of sperm development, was most prominent ...
Soley, John Thomson +3 more
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Ancient DNA analyses reveal contrasting phylogeographic patterns amongst kiwi (Apteryx spp.) and a recently extinct lineage of spotted kiwi. [PDF]
PLoS ONE, 2012 The little spotted kiwi (Apteryx owenii) is a flightless ratite formerly found throughout New Zealand but now greatly reduced in distribution. Previous phylogeographic studies of the related brown kiwi (A. mantelli, A. rowi and A.
Lara D Shepherd +5 more
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Austral Ecology, Volume 51, Issue 6, June 2026.ABSTRACT Presently, there are three main hypotheses to explain why the leaves of many Australian mistletoes resemble their hosts. The eco‐physiological convergence hypothesis suggests that mistletoes must manage their physiology, especially their water relations, to match those of the host, to avoid killing themselves or the host branch they have ...
J. J. Midgley
wiley +1 more source
Veterinary Record Case Reports, Volume 14, Issue 2, May 2026.SUMMARY A 17‐year‐old, 24‐kg, female greater rhea (Rhea americana) presented with an acute onset of left wing droop. Clinical examination and radiographs revealed an open, simple, displaced, short‐oblique diaphyseal fracture of the distal third of the left humerus.
Pierre Huberdeau +6 more
wiley +1 more source