Results 21 to 30 of about 44,791 (189)

Confidence in assessing the effectiveness of bath treatments for the control of sea lice on Norwegian salmon farms [PDF]

open access: yes, 2012
The salmon louse Lepeophtheirus salmonis is the most important ectoparasite of farmed salmonids in the Northern hemisphere, having a major economic and ecological impact on the sustainability of this sector of the aquaculture industry. To a large extent,
Revie, Crawford   +3 more
core   +4 more sources

Use of a mathematical model to describe the epidemiology of Lepeophtheirus salmonis on farmed Atlantic salmon Salmo salar in the Hardangerfjord, Norway [PDF]

open access: yes, 2011
Infestation patterns of the sea louse Lepeophtheirus salmonis from 44 salmon farms in the Hardangerfjord on the south-west coast of Norway over the period 2004 to 2007 were assimilated to create 20-month production cycle profiles for spring and autumn ...
Malkenes, Ragnild   +6 more
core   +4 more sources

Risk Factors for Human Lice and Bartonellosis among the Homeless, San Francisco, California, USA

open access: yesEmerging Infectious Diseases, 2014
Homeless persons in San Francisco, California, USA, have been shown to have head and body lice infestations and Bartonella quintana infections. We surveyed a self-selected population of homeless persons in San Francisco to assess infestations of head and
Denise L. Bonilla   +4 more
doaj   +1 more source

Lice infestation and diversity in turkeys (Meleagris gallopavo) in the Special Region of Yogyakarta and Central Java, Indonesia [PDF]

open access: yesVeterinary World, 2020
Background and Aim: Biting lice (Phthiraptera: Amblycera and Ischnocera) are ectoparasites that play important roles in the transmission of disease agents that infect turkeys and impact turkey productivity.
Joko Prastowo   +6 more
doaj   +1 more source

Sea Lice (Lepeophtheirus salmonis) Harbour Putative Fish Pathogens: Insights From Illumina and Nanopore Sequencing. [PDF]

open access: yesJ Fish Dis
ABSTRACT Ectoparasites that penetrate host skin can act as biological or mechanical vectors for pathogens and, in some cases, serve as reservoirs. Crustacean ectoparasites of fish are potential vectors of pathogens, which is especially relevant for obligate pathogens (e.g., Aeromonas salmonicida) with limited seawater survival. Sea lice (Lepeophtheirus
Klimesova B   +9 more
europepmc   +2 more sources

Vaccination with Ectoparasite Proteins Involved in Midgut Function and Blood Digestion Reduces Salmon Louse Infestations

open access: yesVaccines, 2020
Infestation with the salmon louse Lepeophtheirus salmonis (Copepoda, Caligidae) affects Atlantic salmon (Salmo salar L.) production in European aquaculture.
Marinela Contreras   +11 more
doaj   +1 more source

Epidemiological characterization and risk evaluation associated with the presence of Phthiraptera in poultry farms from Minas Gerais, Brazil

open access: yesActa Scientiarum: Biological Sciences, 2019
Phthiraptera are lice highly adapted to living as permanent and obligatory ectoparasites of birds and mammals. High infestations by biting lice contribute to the low productivity, loss quality of the eggs, besides weight decrease of chickens.
Tiago Mendonça de Oliveira   +7 more
doaj   +1 more source

A pilot study on the prevalence of lice in Irish beef cattle and the first Irish report of deltamethrin tolerance in Bovicola bovis

open access: yesIrish Veterinary Journal, 2021
Background Pediculosis in cattle causes significant itching, irritation and stress to the animal, often resulting in skin damage and poor coat condition.
Fiona Mckiernan   +6 more
doaj   +1 more source

The use of prevalence as a measure of lice burden: a case study of Lepeophtheirus salmonis on Scottish Atlantic salmon, Salmo salar L., farms [PDF]

open access: yes, 2009
This study investigates the benefits of using prevalence as a summary measure of sea lice infestation on farmed Atlantic salmon, Salmo salar L. Aspects such as sampling effort, the relationship between abundance and prevalence arising from the negative ...
Lees, F.   +7 more
core   +1 more source

Acute prurigo simplex in humans caused by pigeon lice [PDF]

open access: yesAnais Brasileiros de Dermatologia, 2018
: Pigeon lice are insects that feed on feathers of these birds; their life cycle includes egg, nymph and adult and they may cause dermatoses in humans. Four persons of the same family, living in an urban area, presented with widespread intensely pruritic
Hamilton Ometto Stolf   +3 more
doaj   +2 more sources

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