Results 71 to 80 of about 29,014 (187)

Cell size and Varroa destructor mite infestations in susceptible and naturally-surviving honeybee (Apis mellifera) colonies [PDF]

open access: yes, 2019
The ectoparasitic mite Varroa destructor is a key threat for European honeybee subspecies (Apis mellifer a ) globally. However, some A. mellifera populations are known to survive mite infestations by means of natural selection (naturally surviving ...
Neumann, Peter   +2 more
core   +2 more sources

HEAD LICE IN HAIR SAMPLES FROM YOUTHS, ADULTS AND THE ELDERLY IN MANAUS, AMAZONAS STATE, BRAZIL

open access: yesRevista do Instituto de Medicina Tropical de São Paulo, 2015
A study of head lice infestations among young people, adults and elderly individuals was conducted from August 2010 to July 2013 in Manaus, AM, Northern Brazil.
Suellen Cristina Barbosa NUNES   +4 more
doaj   +1 more source

Prevalence and risk factors associated with ectoparasite infestation of buffaloes in an Amazonian ecosystem

open access: yesParasites & Vectors, 2018
Background The water buffalo (Bubalus bubalis) is well adapted in some regions of the Amazon. Of all Brazilian states, Pará contains the largest number of this species, with 510,000 animals, approximately 38% of the Brazilian buffaloes.
Helder Ribeiro Batista   +9 more
doaj   +1 more source

Behavioral Genetics of the Interactions between Apis mellifera and Varroa destructor

open access: yesInsects, 2019
The western honeybee Apis mellifera exhibits a diverse set of adaptations in response to infestations by its most virulent disease-causing agent, the ectoparasitic mite Varroa destructor.
Alexis Beaurepaire   +4 more
doaj   +1 more source

Expressed sequence tag survey of gene expression in the scab mite Psoroptes ovis--allergens, proteases and free-radical scavengers [PDF]

open access: yes, 2003
Psoroptes ovis, the causative agent of sheep scab, is an important ectoparasitic mite infecting sheep, goats and cattle. Infection is characterized by an extensive dermatitis, scab formation and intense itching.
Blaxter, M L   +5 more
core  

Poultry Mites Contributing to Human Dermatitis: A Retrospective Study in Italy (2010–2024)

open access: yesPoultry
Dermanyssus gallinae, Ornithonyssus sylviarum, and Ornithonyssus bursa are ectoparasitic bird mites that affect both avian hosts and humans, causing economic losses in poultry farming and dermatological issues in humans.
Iolanda Moretta   +3 more
doaj   +1 more source

Microscopical and molecular detection of Trichodina spp. in fish in Mosul, Iraq [PDF]

open access: yesIraqi Journal of Veterinary Sciences
Trichodiniasis is a serious fish ectoparasitic infestation worldwide. The ciliate protist distributes it and infests the fish's skin, fins, and gills.
Esraa Altaie, Nadia Alhayali
doaj   +1 more source

EPIDEMIOLOGY AND PATHOLOGY OF ECTOPARASITIC INFESTATIONS IN BLACK BENGAL GOATS IN GAIBANDHA AND MYMENSINGH DISTRICTS OF BANGLADESH

open access: yes, 1970
Epidemiology and pathology of ectoparasitic infestations in Black Bengal goats were studied in different areas of Mymensingh and Gaibandha districts, Bangladesh from December, 2006 to November, 2007. A total of 125 Black Bengal goats were examined. Among
Anisuzzaman Anisuzzaman   +5 more
core   +1 more source

Health status of wild and cultured sea bass in the northern Adriatic Sea

open access: yesVeterinární Medicína, 2002
A complex survey has been conducted in the northern Adriatic Sea over a period of one year that included comparative parasitological, bacteriological, virological, histological and biochemical studies of the cultured and wild sea bass (Dicentrarchus ...
R. R Čož-Rakovac   +5 more
doaj   +1 more source

Fending for Thyself: Honey Bees From Ethiopia Inflict Physical Damage on Varroa destructor

open access: yesEcology and Evolution
The ectoparasitic mite Varroa destructor and its associated viruses threaten the health of honey bee (Apis mellifera L.). Yet, African populations survive mite infestations without miticide treatment largely due to social immunity behaviors.
Walellign W. Wanore   +4 more
doaj   +1 more source

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