Results 21 to 30 of about 11,803 (223)

Changes in epidemiological patterns of sea lice infestation on farmed Atlantic salmon, Salmo salar L., in Scotland between 1996 and 2006 [PDF]

open access: yes, 2008
Analyses of a unique database containing sea lice records over an 11 year period provide evidence of changing infestation patterns in Scotland. The data, collected from more than 50 commercial Atlantic salmon farms, indicate that both species of sea lice
Bron J.E.   +13 more
core   +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

Temporal and spatial variations in lice numbers on salmon farms in the Hardanger fjord 2004-06 [PDF]

open access: yes, 2009
The long and narrow Hardanger fjord in western Norway has a high density of salmon farms and has had severe salmon lice, Lepeophtheirus salmonis, problems.
Bjørn   +23 more
core   +1 more source

Using agent-based modelling to predict the role of wild refugia in the evolution of resistance of sea lice to chemotherapeutants [PDF]

open access: yes, 2015
A major challenge for Atlantic salmon farming in the northern hemisphere is infestation by the sea louse parasite Lepeophtheirus salmonis. The most frequent method of controlling these sea louse infestations is through the use of chemical treatments ...
Fast, Mark D.   +4 more
core   +7 more sources

Description of a new actinosporean type from South African freshwater [PDF]

open access: yes, 2004
The 1st report on actinospores described these organisms as parasites related to myxosporeans. For a long time this group of parasites was believed to represent an independent taxonomic entity.
Avenant-Oldewage, Annemarie   +2 more
core   +1 more source

Factors associated with changing efficacy of emamectin benzoate against infestations of Lepeophtheirus salmonison Scottish salmon farms [PDF]

open access: yes, 2008
The availability and use of medicines to control infestations of sea lice on Atlantic salmon, Salmosalar L., farms in Scotland has changed considerably in the last decade (Lees, Gettinby & Revie 2008b).
Denholm   +8 more
core   +1 more source

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

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

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

Using human head lice to unravel neglect and cause of death [PDF]

open access: yes, 2018
Despite the common association of human lice with abandoned or neglected people, no procedure to assess pediculosis, aimed to detect signs of neglect, exists.
Beagley   +11 more
core   +1 more source

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