Results 61 to 70 of about 832 (173)

Risk posed by the HPAI virus H5N1, Eurasian lineage goose/Guangdong clade 2.3.4.4b. genotype B3.13, currently circulating in the US

open access: yesEFSA Journal, Volume 23, Issue 7, July 2025.
Abstract The emergence of highly pathogenic avian influenza (HPAI) A(H5N1), clade 2.3.4.4b, genotype B3.13 in U.S. dairy cattle marks a significant shift in the virus' host range and epidemiological profile. Infected cattle typically exhibit mild clinical signs, such as reduced milk production, mastitis and fever, with morbidity generally below 20% and
European Food Safety Authority (EFSA)   +9 more
wiley   +1 more source

Range‐Wide Camera Trapping for the Australian Cassowary Reveals Habitat Associations With Rainfall and Forest Quality

open access: yesEcology and Evolution, Volume 15, Issue 6, June 2025.
We conducted large‐scale camera trapping across the Australian range of the southern cassowary and quantified habitat associations. Cassowary relative abundance peaked in intact rainforest areas with comparatively less rainfall, but also showed weak avoidance of humans.
Skye Elise Anderson   +3 more
wiley   +1 more source

Serosurvey of selected avian pathogens in brazilian commercial Rheas (Rhea americana) and Ostriches (Struthio camelus)

open access: yesBrazilian Journal of Poultry Science, 2009
Ratite farming of has expanded worldwide. Due to the intensive farming methods used by ratite producers, preventive medicine practices should be established.
OC de Freitas Neto   +5 more
doaj   +1 more source

Symmetry breaking in the embryonic skin triggers directional and sequential plumage patterning.

open access: yesPLoS Biology, 2019
The development of an organism involves the formation of patterns from initially homogeneous surfaces in a reproducible manner. Simulations of various theoretical models recapitulate final states of natural patterns, yet drawing testable hypotheses from ...
Richard Bailleul   +5 more
doaj   +1 more source

Comparative morphology of the species of Libyostrongylus and Codiostomum, parasites from ostriches, Struthio camelus, with a identification key to the species

open access: yesRevista Brasileira de Parasitologia Veterinária
One of the most common problems in breeding of ostriches in captivity is the control of parasitic diseases. This work presents keys for the identification of adult nematodes and infective larvae by morphologic and morphometric characteristics. These keys
Nicole Brand Ederli   +1 more
doaj   +1 more source

Farmed ratites in Europe

open access: yesAnimal Welfare, 1997
In April this year the Standing Committee of the European Convention for the Protection of Animals kept for Farming Purposes adopted a Recommendation (a 15 page document) on the management of farmed ratites (ostriches, emus and rheas). In accordance with Article 9 of the Convention, the Recommendation will enter into force on 22 October 1997.
openaire   +1 more source

Evaluation of biting lice infestations (Struthiolipeurus rhea) in rheas (Rhea americana) kept in commercial breeding in the state of Piauí
Avaliação da infestação de piolhos mastigadores (Struthiolipeurus rheae) em emas (Rhea americana) mantidas em criadouro comercial no estado do Piauí

open access: yesSemina: Ciências Biológicas e da Saúde, 2012
We evaluated the level of infestation of biting lice (Struthiolipeurus rheae) in emus (Rhea americana) kept in a breeding business in the state of Piaui. We used 16 emus, 12 adults, six of them were males and six females.
Aírton Mendes Conde Júnior   +6 more
doaj  

Productions avicoles, bien-être et législation européenne

open access: yesINRAE Productions Animales, 2004
En Europe, l’élaboration de la législation concernant le bien-être animal est le fait de deux organisations qui sont le Conseil de l’Europe et l’Union Européenne.
D. GUEMENE, J.M. FAURE
doaj   +1 more source

History and Nature of Science enriched Problem-Based Learning on the origins of biodiversity and of continents and oceans

open access: yesMultidisciplinary Journal for Education, Social and Technological Sciences, 2014
The episode of the History of Science (HOS) on the theory of continental drift proposed by Alfred Wegener has been considered an excellent example for teaching students aspects of Nature of Science (NOS) and the relation of Science with social and ...
Cristina Sousa
doaj   +1 more source

Anatomía económica de Rheidae Economic anatomy of Rheidae

open access: yesIntersecciones en Antropología, 2006
En el siguiente trabajo se presentan los Índices de Rendimiento Económico para Rheidae (Clase: Aves), los cuales incluyen los cálculos del Índice de Utilidad General Modificado (Modified General Utility Index o MGUI) y de los índices que lo componen: el ...
Miguel A. Giardina
doaj  

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