Results 61 to 70 of about 6,323 (180)

Geographic redistribution of farmed salmonids reduces salmon lice infestations and treatment frequency in a simulation study

Aquaculture Environment Interactions
Host density is a key driver in parasite population dynamics, and often the number of parasites increases rapidly with host density. In the context of Norwegian salmonid farming, this mechanism has led to a disparity between the desire to increase ...
L Qviller, KR Dean, M Huserbråten, IA Askeland Johnsen, B Bang Jensen   +4 more
doaj   +1 more source

Head-lice infestations and their treatment.

South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde, 1985
Head-lice infestations periodically cause disruption at schools and crèches. The life cycle of the insect and the treatment of infestation are discussed. Treatment is usually relatively simple and effective, relying mainly on the use of insecticides such as gamma benzene hexachloride, malathion and pyrethrins. Appropriate therapy for problem areas, for
openaire   +2 more sources

Salmon lice dispersion in a northern Norwegian fjord system and the impact of vertical movements

Aquaculture Environment Interactions, 2016
The abundance and distribution of salmon lice Lepeophtheirus salmons originating from fish farms in a northern Norwegian fjord during the summer of 2010 was investigated by means of a numerical model, underpinned by field observations.
IA Johnsen, LC Asplin, AD Sandvik, RM Serra-Llinares   +3 more
doaj   +1 more source

Inferring time at sea from scale circuli: implications for the interpretation of salmon lice distributions on sea trout

Aquaculture Environment Interactions
Infestations with the ectoparasite salmon louse Lepeophtheirus salmonis are considered one of the main stressors for wild salmonids in farm-intensive areas.
RM Serra-Llinares, R Nilsen, PT Fjeldheim, AD Sandvik, T Haraldstad, Ø Karlsen   +5 more
doaj   +1 more source

Prevalence of Head Lice Infestation and its Associated Factors Among Female Primary School Students in Ghahavand County and Compared with the Previous Studies

Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2021
Background and Objectives: Despite the progress of communities’ health, head lice (Pediculus capitis) infestation remains a major health problem. The aim of the study was to investigate the prevalence of head lice infestation and its associated factors ...
Taghi Hajiloie, Amir Hosein Zahirnia, Hassan Nasirian, Behroz Davari   +3 more
doaj  

Entodermoscopy of Pediculosis capitisKey message

JAAD Case Reports, 2022
Cristina Diniz Borges Figueira de Mello, MD, Andrea Fernandes Eloy da Costa França, MD, PhD, Renata Ferreira Magalhães, MD, PhD   +2 more
doaj   +1 more source

Parental Knowledge, and Determinants of Head Lice Infestation in Rural Southeast Georgia

Journal of the Georgia Public Health Association
Background: Head louse pediculosis is a common problem among school-aged children. We assessed parental knowledge and practices about head louse infestations and factors contributing to the spread of head lice in families in Southeast Georgia ...
Padde Musa, Sarah E. Braswell, Marina E. Eremeeva   +2 more
doaj   +1 more source

Epidemiological analysis of pediculosis and the distribution of kdr mutation frequency in head lice populations in Torbat Heydarieh city of Khorasan Razavi Province, Northeastern Iran

BMC Research Notes
Head lice infestations are the most prominent ectoparasitic infection in the world, including Iran, particularly among school children. Recently, numerous cases of infestation have been reported in various provinces of the country.
Mohammad Taheri, Fereshteh Ghahvechi Khaligh, Ahmad Ali Hanafi-Bojd, Hamid Reza Khalkhali, Kamal Dashti, Mehdi Badakhshan, Saber Gholizadeh   +6 more
doaj   +1 more source

Lice Infestations in Sheep and Goats in Kombolcha District, East Hararghe Zone, Oromia Regional State, Ethiopia. [PDF]

Vet Med Int, 2020
Disasa DD.
europepmc   +1 more source

Molecular phylogenetics of lice collected from Indian goats and their neglected vector potential

Journal of Basic and Applied Zoology
Background Ectoparasitic infestations, particularly lice, are a major challenge to goat farming in India, leading to significant economic losses through reduced productivity and increased mortality.
Andrews Megha, Sasi Adithya, Y. Ajith, K. S. Athira, Siju Susan Jacob, P. V. Tresamol   +5 more
doaj   +1 more source