Results 1 to 10 of about 1,411 (113)
PLoS ONE, 2017 A retrospective study was carried out to define the spectrum of spontaneous diseases in ostriches and few other captive ratites, order Struthioniformes, in northwestern Germany. The investigation included 71 ratites necropsied between 1968 and 2014. They
Anne Balkema-Buschmann +2 more
exaly +5 more sources
Hematological and morphometric differences of blood cells from rheas, Rhea americana (Struthioniformes: Rheidae) on two conservation farms [PDF]
Brazilian Journal of Biology, 2017 Today, blood tests are an indispensable tool in avian medicine. This study aimed to describe and compare hematological and morphometric data of erythrocytes, leukocytes and thrombocytes of rhea, Rhea americana.
S. S. M. Gallo +2 more
doaj +5 more sources
Hematological, morphological and morphometric characteristics of blood cells from rhea, Rhea Americana (Struthioniformes: Rheidae): a standard for Brazilian birds [PDF]
Brazilian Journal of Biology, 2015 Blood exams are an indispensable tool in bird medicine. This study aimed at describing values and aspects of rheas' hematology, Rhea americana, as well as analyzing the morphology and morphometry of all blood cells.
S. S. M. Gallo +3 more
doaj +4 more sources
Evolution of bird sex chromosomes: a cytogenomic approach in Palaeognathae species [PDF]
BMC Ecology and EvolutionBackground Different patterns of sex chromosome differentiation are seen in Palaeognathae birds, a lineage that includes the ratites (Struthioniformes, Rheiformes, Apterygiformes, Casuariiformes, and the sister group Tinamiformes).
Príncia Grejo Setti +13 more
doaj +2 more sources
Geodiversitas, 2009 Boev Z. & Spassov N. 2009. — First record of ostriches (Aves, Struthioniformes, Struthionidae) from the late Miocene of Bulgaria with taxonomic and zoogeographic discussion. Geodiversitas 31 (3): 493-507.
Nikolai Spassov, Zlatozar Boev
exaly +2 more sources
Palaeognathae: Apterygiformes, Casuariiformes, Rheiformes, Struthioniformes; Tinamiformes
, 2018 The infraclass Palaeognathae includes the flightless ratites (ostrich, emu, rhea, cassowary, kiwi) and the tinamous, a group of related, flighted birds. This chapter focuses on unique anatomy and important non-infectious and infectious diseases of these groups of birds.
exaly +2 more sources
A histological survey of avian post-natal skeletal ontogeny [PDF]
PeerJ, 2021 Bone histology of crown-group birds is a research topic of great interest, permitting insight into the evolution of remarkably high growth rates in this clade and variation across the altricial-precocial spectrum.
Jessie Atterholt, Holly N. Woodward
doaj +2 more sources
Revista Mvz Cordoba, 2021 Objetivo. Identificar ectoparásitos en las plumas primarias de avestruces adultas alojadas en un criadero del Departamento del Cauca Colombia. Materiales y métodos.
Fernando Favian Castro-Castro +6 more
doaj +1 more source
Density and abundance of Rhea pennata garleppi (Struthioniformes: Rheidae) in the Puna ecoregion of Argentina [PDF]
Revista Chilena de Historia Natural, 2014 Rhea pennata is classified internationally as a near-threatened species, with the subspecies R. p. garleppi being listed as endangered. The aim of this study was to provide updated information on the density and abundance of R. p. garleppi in the southern Puna ecoregion of Argentina. Density was estimated indirectly on the basis of monthly feces counts
Marinero, Nancy Verónica +3 more
openaire +3 more sources