Results 61 to 70 of about 3,534 (217)

Amino acid racemization dating: Method development using African ostrich (Struthio camelus) eggshell [PDF]

open access: yes, 2013
Ostrich eggshell (OES) is ubiquitous in archaeological sites in Africa and is a favoured substrate for amino acid racemisation (AAR) geochronology, yielding consistent results and thought to approximate a closed system with respect to protein diagenesis.
Crisp, Molly Katherine
core  

A note on feeding habits, Ectoparasites and measurements of the Black-Backed Jackal Canis Mesomelas from Addo Elephant National Park

open access: yesKoedoe: African Protected Area Conservation and Science, 1980
DsitSi from a small sample of black-backed jackals confined to the National Park indicated that they were opportunistic feeders taking various insects, molluscs, reptiles, birds, mammals and fruits as available.
A.J Hall-Martin, B. P Botha
doaj  

First report of an outbreak of the oriental eye-fluke, Philophthalmus gralli (Mathis & Leger 1910), in commercially reared ostriches (Struthio camelus) in Zimbabwe

open access: yesOnderstepoort Journal of Veterinary Research, 2005
A total of 17 commercially reared ostriches (Struthio camelus) from Msengi farm, Chinhoyi, Zimbabwe, observed with swollen eyes, severe conjunctivitis and constant lacrimation accompanied by a purulent exudate, were restrained for further clinical ...
S. Mukaratirwa   +5 more
doaj   +1 more source

Bridging the gap: improving methodologies for future avian microbiome research

open access: yesJournal of Avian Biology, Volume 2026, Issue 2, March 2026.
Recent advances in the field of wild avian microbiome research have significantly deepened our understanding of the eco‐evolutionary dynamics of bird–microbe interactions. Consequently, the field is now approaching a pivotal moment in uncovering the ultimate factors shaping avian microbiome structure, especially in relation to birds' ecological ...
Charli S. Davies   +18 more
wiley   +1 more source

Soroepidemiologia da doença de Newcastle em plantéis de avestruzes dos Estados da Bahia e de São Paulo Serologic occurrence of Newcastle disease in ostriches raised in Bahia and São Paulo

open access: yesCiência Rural, 2010
Estudos sorológicos em Avestruzes (Struthio camelus) são ferramentas úteis para analisar os riscos relacionados à Doença de Newcastle nesses plantéis e à avicultura nacional.
Lia Muniz Barretto Fernandes   +10 more
doaj  

Reference serum protein and lipoprotein fractions of ostriches (Struthio camelus) in Turkey : research communication

open access: yesOnderstepoort Journal of Veterinary Research, 2004
The aim of this study was to determine for reference purposes the values of serum albumin, a1-globulin, a2-globulin, b-globulin, g-globulin, and a-lipoprotein (high density lipoprotein), pre-b-lipoprotein (very low density lipoprotein) and b ...
U. Polat   +3 more
doaj   +1 more source

Anatomical Study and CT Scan of the Scleral Ring in the Little Owl (Athene noctua)

open access: yesVeterinary Medicine and Science, Volume 12, Issue 2, March 2026.
The scleral ring in Athene noctua predominantly consists of 15 quadrilateral ossicles, with a rare anatomical variation of 16 ossicles observed unilaterally in one specimen. Structural Morphology: The ring displays a distinct bipartite architecture, featuring an anterior tubular segment with a near‐circular cross‐section and a posterior funnel‐shaped ...
Omid Zehtabvar   +6 more
wiley   +1 more source

The Effect of Extensive Human Presence at an Early Age on Stress Responses and Reactivity of Juvenile Ostriches towards Humans

open access: yesAnimals, 2018
The effect of extensive human presence and regular gentle handling performed at an early age (0–3 months old) on stress responses and reactivity of juvenile ostriches towards humans was investigated.
Pfunzo T. Muvhali   +7 more
doaj   +1 more source

The Neocolonial Tightening of CITES: How Northern Narratives Marginalize Southern Conservation

open access: yesConservation Letters, Volume 19, Issue 2, March/April 2026.
ABSTRACT CITES has demonstrated a persistent trend of regulatory tightening over five decades, raising critical questions about both equity and effectiveness in global conservation governance. This study examines how structural power imbalances and dominant Northern narratives within the Convention have systematically marginalized pluralistic ...
Youmin Lian, Md. Ziaul Islam
wiley   +1 more source

Impact of Season, Semen Collection Frequency and Between‐Male Variation on Ostrich Seminal Plasma Composition

open access: yesReproduction in Domestic Animals, Volume 61, Issue 2, February 2026.
ABSTRACT This study evaluated the effect of season, semen collection frequency, and male variation on seminal plasma composition of farmed ostriches. Five South African Black ostrich males (4.47 ± 0.95 years of age) were used in spring 2011 and winter 2012.
Pfunzo Muvhali   +5 more
wiley   +1 more source

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