نتایج جستجو برای: lice

تعداد نتایج: 2223  

Journal: :JAMA 2013

Hojjat Jabbary Ramin Salmanzadeh موسی توسلی,

Pelecaniformes are large water birds feeding by hunting fish and living usually in the sea and in fresh water. Ectoparasitic lice of the genus Piagetiella are interesting from an ecological standpoint as they are found in the pouches of pelicans. Unlike chewing lice, which live on the body surface of the host, P. titan lives in the oral cavity of white pelicans (Pelecanus nocrotalus, L.). This ...

Journal: :Sudanese journal of paediatrics 2016
Muddathir H Hamad Ahmed Awad Adeel Ali Abdu N Alhaboob Ahmed M Ashri Mustafa A Salih

This is a case report of acute organophosphate poisoning in a child treated with topical application of Diazinon-60 (WHO Class II toxicity) for head lice (pediculosis capitis). The patient presented with neurological symptoms and signs. After emergency respiratory and circulatory resuscitation the patient underwent dermal decontamination and was treated with atropine, high flow oxygen and prali...

Journal: :Biology letters 2008
B M Connors M Krkosek L M Dill

Parasites seldom have predators but often fall victim to those of their hosts. How parasites respond to host predation can have important consequences for both hosts and parasites, though empirical investigations are rare. The exposure of wild juvenile salmon to sea lice (Lepeophtheirus salmonis) from salmon farms allowed us to study a novel ecological interaction: the response of sea lice to p...

Journal: :The Southeast Asian journal of tropical medicine and public health 2006
Junya Intaranongpai Warinthorn Chavasiri Wandee Gritsanapan

The present study focused on the separation and identification of the active compounds against head lice from the hexane extract of Annona squamosa L seed. Chromatographic and spectroscopic techniques revealed that two major compounds of the hexane seed extract were oleic acid and triglyceride with one oleate ester. The yields of these compounds were 13.25% and 7.74% dry weight, respectively. T...

Journal: :Biology letters 2006
Kevin P Johnson Martyn Kennedy Kevin G McCracken

The similarity of the louse faunas of flamingos and ducks has been used as evidence that these two groups of birds are closely related. However, the realization that ducks actually are more closely related to Galliformes caused many workers to reinterpret this similarity in parasite faunas as host switching from ducks to flamingos. Recent unexpected phylogenetic results on the relationships of ...

Journal: :Journal of fish diseases 2017
M S Ugelvik T Mo A Mennerat A Skorping

Aggregation is commonly observed for macroparasites, but its adaptive value remains unclear. Heavy infestations intensities may lead to a decrease in some fitness-related traits of parasites (e.g. parasite fecundity or survival). However, to a dioecious parasite, increased aggregation could also increase the chance of finding individuals of the opposite sex. In a laboratory experiment, we teste...

2012
Peder A. Jansen Anja B. Kristoffersen Hildegunn Viljugrein Daniel Jimenez Magne Aldrin Audun Stien

Fisheries catches worldwide have shown no increase over the last two decades, while aquaculture has been booming. To cover the demand for fish in the growing human population, continued high growth rates in aquaculture are needed. A potential constraint to such growth is infectious diseases, as disease transmission rates are expected to increase with increasing densities of farmed fish. Using a...

Journal: :Agro productividad 2022

Objective: To identify the taxonomy of lice family Trichodectidae present in a captive population M. temama.Methodology: Lice were collected from 15 red brocket (Temazate) deer (M. temama) captivity at Unit for Conservation, Management and Sustainable Use Wildlife El Pochote, Ixtaczoquiltan, Veracruz, Mexico. The sedated inspected ventral inguinal zone, ears tail to collect lice, which observed...

Journal: :Journal of medical entomology 2003
M Takano-Lee R K Velten J D Edman B A Mullens J M Clark

An automated feeding apparatus was developed to maintain the human head louse (Pediculus capitis DeGeer) in vitro. With the use of valves and timers, banked human blood and saline from refrigerated reservoirs were pumped into and flushed out of the system every 7 d. During this rotational interval, bloodmeals were provided to head lice continuously and ad libitum through a stretched Nescofilm-s...

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