Results 51 to 60 of about 5,372 (109)

A survey of coccidian infection (Apicomplexa: Eimeriidaea) of freshwater fish in South Africa [PDF]

open access: yes, 2005
Fish coccidia, especially Goussia and Eimeria spp., are common and frequent parasites of fish. The majority of the known species has been described from the Eurasian continent.
Avenant-Oldewage, Annemarie   +2 more
core  

Sexual Dimorphism of Tarsal Attachment Devices and Their Relation to Mating in Coccinellidae

open access: yesJournal of Morphology, Volume 286, Issue 4, April 2025.
We explore the coevolution of male attachment devices and female elytral morphology in coccinellids. Specifically: (1) Disco‐setae are present in males of some species, located on the hairy pad which during mating hold on female elytra. (2) The area of male disco‐setae is extended when females have smooth elytra, and reduced when females have hairy ...
Valerio Saitta   +8 more
wiley   +1 more source

Assessment of Sea Lice Infestations on Wild Fishes of Cobscook Bay [PDF]

open access: yes, 2013
Sea lice are ectoparasitic copepods on fishes and can negatively impact aquaculture operations. Little work on sea lice, specifically Lepeophtheirus salmonis and Caligus elongatus, has occurred in the northwest Atlantic.
Jensen, Alexander
core   +1 more source

Comparative in vitro evaluation of contact activity of fluralaner, spinosad, phoxim, propoxur, permethrin and deltamethrin against the northern fowl mite, Ornithonyssus sylviarum. [PDF]

open access: yes, 2017
BackgroundNorthern fowl mites (Ornithonyssus sylviarum) are obligate hematophagous ectoparasites of both feral birds and poultry, particularly chicken layers and breeders.
Flochlay-Sigognault, Annie   +5 more
core   +1 more source

Head lice infestation: diagnosis and recommended management [PDF]

open access: yesPrescriber, 2010
AbstractOur series Prescribing in children gives practical advice for successful management of childhood problems in general practice. Here, the author describes the diagnosis and management of threadworm in this age group.
openaire   +2 more sources

A study of the management of head lice by paediatricians in Malta [PDF]

open access: yes, 2015
Head lice infestation is a condition found in every country in the world about which it is important to have proper education and awareness. This study aimed to examine the treatment of head lice and the education given to the patient and their ...
Galea, Marthese, Sciberras, Christopher
core  

Can head louse repellents really work? Field studies of piperonal 2% spray [PDF]

open access: yes, 2014
Background. Many families find regular checking of children’s heads for head louse infestation too onerous and would prefer to be able to prevent infestation by use of a topical application that deters lice from infesting the head.
Christine M. Brown   +3 more
core   +1 more source

Monitoring parasitic abundance in cage-based aquaculture : the effects of clustering [PDF]

open access: yes, 2006
Most discussions of sampling protocols within the literature on monitoring aquatic parasites are based on the assumptions of simple random sampling. There has been a growing recognition within the fields of human and terrestrial veterinary epidemiology ...
Gettinby, G., Hollinger, E., Revie, C.W.
core   +1 more source

Reflectance confocal microscopy for the diagnosis of skin infections and infestations [PDF]

open access: yes, 2020
Reflectance confocal microscopy (RCM) is a noninvasive real-time imaging technique that has been widely used for the diagnosis of skin cancer. More recently, it has been reported as a useful tool for the diagnosis and management of several inflammatory ...
Arzberger, Edith   +6 more
core  

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