Results 1 to 10 of about 3,204 (185)

The pattern of duck sternal ossification and the changes of histological structure and gene expression therein

open access: yesPoultry Science, 2021
: As the largest single bone, avian sterna are very different from those of mammals in terms of morphology and functions. Moreover, years of artificial selection in poultry led to incomplete sternal ossification at slaughter age, which may cause diseases,
Yushi Wang   +11 more
doaj   +1 more source

The rhythm of chemotherapy and cancer patients’ time perspectives [PDF]

open access: yesPeerJ, 2022
Background While it is well known that illnesses such as cancer modify the experience of time, the impact of the rhythm and length of treatment on patients’ time perspectives remains unknown. Methods A short version of Zimbardo Time Perspective Inventory
Marcin Moskalewicz   +2 more
doaj   +2 more sources

First documented records of Black-throated Flower-piercer, Diglossa brunneiventris (Lafresnaye, 1846) (Aves, Thraupidae), and Least Tern, Sternula antillarum (Lesson, 1847) (Aves, Laridae), on the southern coast of Peru [PDF]

open access: yesCheck List, 2021
We report Black-throated Flower-piercer, Diglossa brunneiventris (Lafresnaye, 1846), and Least Tern, Sternula antillarum (Lesson, 1847), in the Tambo river estuary, Islay province, Arequipa department, Peru.
Yuri A. Peña   +3 more
doaj   +3 more sources

Supervivencia de Pteria sterna (Gould, 1851) expuesta a bajas salinidades

open access: yesLa Técnica: Revista de las Agrociencias, 2021
La cuenca baja del estuario del río Chone, constituye un ambiente con una alta factibilidad para el cultivo de Pteria sterna, sin embargo, la salinidad, representa un factor ecológico limitante, particularmente durante época de lluvia.
Vanessa Hanoi Acosta de Matheus   +2 more
doaj   +1 more source

INCIDENCE OF RESIDENT AND MIGRATORY BIRD SPECIES COLLECTED FROM BURULLUS PROTECTED AREA IN KAFR EL-SHEIKH GOVERNORATE. [PDF]

open access: yesJournal of Plant Protection and Pathology, 2009
Resident and visitor bird species were collected from Burullus protected area in Kafr El-Sheikh Governorate during two successive years 2007/2008. Data revealed that 24 bird species in 17 families and 10 orders were recorded during the survey.
M. Mortada, A. Soliman
doaj   +1 more source

Establishment of a Whole-Chick Sternum Model that Recapitulates Normal Cartilage Development

open access: yesBioTechniques, 1998
A serum-free organ culture model for chondrocyte maturation, using the Avian sternum, was developed. Day-14 chick embryo sterna were placed in organ culture in the presence of defined medium.
Michelle S. Hirsch, Kathy K.H. Svoboda
doaj   +1 more source

Nasal mites (Mesostigmata, Rhinonyssidae) in Sternidae (Aves: Charadriiformes) on the southern Coast of Brazil

open access: yesRevista Brasileira de Parasitologia Veterinária, 2018
Six species of birds of the family Sternidae are often found on the southern coast of South America. Sterna trudeaui, S. hirundinacea, Thalasseus maximus, T.
Diego Silva da Silva   +2 more
doaj   +1 more source

Can Virtual Observers Affect Our Behavior? Social Facilitation in Virtual Environments: A Mini-Review [PDF]

open access: yesSocial Psychological Bulletin, 2019
The social facilitation effect describes the change in the performance of the task under the influence of the presence of observers. The effect itself consists of two components: social facilitation in simple tasks and social inhibition in complex tasks.
Radosław Sterna   +2 more
doaj   +3 more sources

L’ecologia del Picchio Nero, Dryocopus Martius, nelle foreste casentinesi come chiave per la possibile espansione della specie nell'Appennino

open access: yesRivista Italiana di Ornitologia - Research in Ornithology, 2012
Ecological mathematical models are useful tools to define geographic distribution and ecological features of species, playing a fundamental role in defining conservation policies.
Tommaso Campedelli   +5 more
doaj   +1 more source

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