Results 91 to 100 of about 89,616 (238)

Bite force estimates and morphological correlations of jaw muscles in parrots

open access: yesThe Anatomical Record, EarlyView.
Abstract Parrots (Order: Psittaciformes) are renowned for their high bite force (BF) and morphological correlates thereof, including a highly mobile skull and two unique mandibular adductor muscles—m. pseudomasseter and m. ethmomandibularis, with the former being hypothesized to increase force output.
Ana Carolina L. Faillace   +3 more
wiley   +1 more source

PARASITOLOGICAL STUDIES OF BIRDS: LOUSE-FLIES (DIPTERA: HIPPOBOSCIDAE) IN KARELIA

open access: yesTransactions of the Karelian Research Centre of the Russian Academy of Sciences, 2017
Original material on the louse flies parasitizing birds in the Republic of Karelia was summarized. Based on published data and own collections we compiled the list of louseflies, comprising 8 species: Ornithophila metallica, Ornithomya avicularia.
Alexander Matyukhin   +2 more
doaj   +1 more source

Comparative histological, histochemical, and histometric evaluation of the esophagus in two avian species with different feeding habits (Ciconia ciconia and Buteo buteo)

open access: yesThe Anatomical Record, EarlyView.
Histological structure of esophagus. Abstract The aim of this study was to conduct a comparative evaluation of the histological and histochemical organization of the esophagus in two avian species with different feeding ecologies. A total of 6 individuals were used for this purpose (3 storks, 3 common buzzards).
Serap İlhan Aksu   +8 more
wiley   +1 more source

Integration of Nutrition and Organic Agriculture Framework in Managing Gastrointestinal Nematodes in Ruminants

open access: yesAnimal Research and One Health, EarlyView.
Gastrointestinal nematode infections damage the gastrointestinal epithelial tissues of ruminants, affecting nutrient utilization and overall production performance. This review outlines host‐gastrointestinal nematode interactions and discusses integrated control strategies, including nutritional supplementation, grazing management, vaccines, and ...
Wenxun Chen   +5 more
wiley   +1 more source

No Detectable Fertility Benefit from a Single Additional Mating in Wild Stalk-Eyed Flies [PDF]

open access: yes, 2010
Background: Multiple mating by female insects is widespread, and the explanation(s) for repeated mating by females has been the subject of much discussion.
Fowler, K   +8 more
core   +1 more source

Duck Orbivirus and Egg Production: A Newly Identified Duck Orbivirus Is the Etiological Agent of Egg Production Decline in Chinese Breeder Ducks

open access: yesAnimal Research and One Health, EarlyView.
Field samples from breeder duck farms with egg‐production decline were subjected to viral detection, genome sequencing, and virus isolation. Experimental infection demonstrated that duck orbivirus (DORV) causes a significant and persistent reduction in egg production in breeder ducks.
Bing Li   +18 more
wiley   +1 more source

A highly efficacious pediculicide based on dimeticone: randomized observer blinded comparative trial. [PDF]

open access: yes, 2008
BACKGROUND: Infestation with the human head louse (Pediculus humanus capitis) occurs worldwide. Existing treatment options are limited, and reports of resistance to commonly used pediculicides have been increasing.
Heukelbach, Jorg   +18 more
core   +2 more sources

Optimizing Strategies for Non‐Invasive Prospection of Settlements in the Intertidal Zone: A Case Study From the Centre of the Drowned Medieval Village of Tolsende (Scheldt Estuary, the Netherlands)

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT Medieval and early modern drowned villages in the intertidal zone of the Scheldt estuary (the Netherlands) constitute intriguing yet largely understudied components of north‐western Europe's underwater cultural heritage. Despite their high archaeological potential as time capsules of past settlement landscapes, research has remained limited ...
Jan Trachet   +9 more
wiley   +1 more source

A new Ornithophila (Diptera: Hippoboscidae) species from Baikal State Nature Reserve (Russia)

open access: yesNature Conservation Research: Заповедная наука
The parasitic family Hippoboscidae is distributed around the world and currently includes more than 200 species. These insects are of high veterinary importance both as carriers of dangerous diseases and as transport for other groups of parasites.
Aleksandra A. Yatsuk   +4 more
doaj   +1 more source

Description of a new louse fly species of the genus Ornithomya Latreille, 1802 (Diptera: Hippoboscidae) from Irkutsk, Russia [PDF]

open access: yesКавказский энтомологический бюллетень
A new species of the genus Ornithomya Latreille, 1802 (Diptera: Hippoboscidae), O. helvipennis sp. n., is described from Irkutsk (Russia). The microtrichia of this new species cover the entire wing membrane, as in the species O. comosa Austen, 1930.
A.A. Yatsuk   +2 more
doaj   +1 more source

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