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Lice - Crossref

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Last Updated: 26 July 2022

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Acoustic Delicing of Atlantic Salmon (Salmo salar): Fish Welfare and Salmon Lice (Lepeophtheirus salmonis) Dynamics

Acoustic lice removal from Atlantic salmon is a newly developed procedure that uses a composite acoustic sound image with low-frequency sound to remove salmon lice from Atlantic salmon. During large-scale use of the AcuLice system, this field report addresses the stress effects on Atlantic salmon and the effects on salmon lice habitats. The effect of the AcuLice treatment on salmon lice dynamics was measured by weekly salmon lice counts at the facilities from mid-summer 2019 to late-spring 2020. At the AcuLice facilities compared to the reference facilities, a reduced number of salmon lice treatments and a longer production period were observed in addition. These results show that using the AcuLice device reduces the need for traditional salmon lice treatments with no added stress to the fish.

Source link: https://doi.org/10.3390/jmse10081004


Impact of a health educational interventional program on reducing the head lice infestation among pupils in an elementary school of a sub-tropical region: a quasi-experimental study

Pediculosis is a significant social problem that can be exacerbated by human head louse, Pediculus humanus capitis, and Pediculus humanus capitis. This report was designed to assess the effects of a health education intervention program on lowering head lice among students of an elementary school. Following a two-month educational intervention course, the prevalence of pediculosis follow-up continued monthly until the end of the school year. Findings At the start of the investigation, the pre-intervention prevalence of pediculosis among students was 8. 4%. The mean age in all children was 9. 86 u00b1 1. 83 years old, with the most infestation seen in fourth-grade students at ten years old. To a reduction of pediculosis in students to 3%, the intervention phase led to a reduced incidence of pediculosis in students to a reduced degree. A substantial increase in parental knowledge regarding the prevention of pediculosis was observed based on statistical analysis of questions before and after the training.

Source link: https://doi.org/10.1186/s12887-022-03492-y


Infection of Farm Animals by Different Types of Lice (Anoplura and Mallophaga) in Saudi Arabia

Farm animals are very popular in the modern world. In the local Eastern Province of Saudi Arabia, the study included the most common types of lice that infect camels, goats, and sheep of various ages and genus. The female sheep's incidence was 3. 08 % and 4. 03 percent respectively, according to the report, the highest rate of sheep infections during July was 3. 99 % for young sheep and 4. 01 % for old sheep, both of the male sex and older sheep. The oldest male goat infection prevalence in August was 17. 93 percent and 9. 93 percent for the old ones, while young infected female goats infected with the disease was 10. 81 percent and 10. 08 % for the older ones, according to the report. Bovicola ovis and Linognathus africanus were the only two genus of lice only found in the study: Bovicola ovis and Linognathus africanus. The study found that the local camel is not affected by lice compared to lice, not infected by lice.

Source link: https://doi.org/10.51758/agjsr-03-2010-0005


Considering elements of natural strategies to control salmon lice infestation in marine cage culture

Salmon lice infestation is a significant issue in salmonid aquaculture, as well as wild salmon smolts migrating through fjord systems in spring. Few hosts were available for salmon lice in winter, which reduced the salmon lice populations to a minimum when the wild smolts were moving to sea before salmonids were farmed in open cages. Thus, the natural option is to reduce host availability for a long time enough to cause salmon lice nauplii to die of starvation. It is either by organizing and aggregating farms in large fallowing areas with a long history and drift of the nauplii, or by restricting water supply to active production units during heavy fallowing.

Source link: https://doi.org/10.3354/aei00436


Chewing lice of the Brueelia-complex (Phthiraptera: Ischnocera) parasitic on members of the Campephagidae (Aves: Passeriformes), with description of a new subgenus and 14 new species

From hosts in the Campephagidae, fourteen new species of chewing lice in the Brueelia-complex have been described. In addition, Malardifax, a new subgenus of Guimaraesiella Eichler, 1949, has been described for the species that lives on minivets. Guimaraesiella nouankaoensis n. sp. The new species and their hosts are: Guimaraesiella nouankaoensis n. sp. Guimaraesiella n. sp. asp. from Coracina caledonica seiuncta Mayr & Ripley, 1941 and C. caledonica thilenii; ta Mayr & Ripley, 1941 and C. caledonica thilenii; Guimaraesiella sphagmotica n. sp. Rand, 1936; Indoceoplanetes kamphaengphetensis n. sp. n. sp. : Indolisoma melas melas, melas; Indoceoplanetes cinitemnina n. sp. dp. ephippiformis n. sp. n. sp. n. sp. n. sp. tsp. demolsis oriomo Mayr & Rand, 1936, C. papuensis angustifrons, and C. papuensis elegans; Indoceoplanetes incisoma n. sp. n. sp. The Indoceoplanete microgenitalis n. sp. n. p. terophora n. sp. n. sp. n. sp. 'Coracina caeruleogrisea strenua's strenua; Indoceoplanetes pterophora n. sp. n. sp. n. sp. incorcorcorcorta ombriosa; Indoceoplanetes wandoensis n. sp.

Source link: https://doi.org/10.11646/zootaxa.5165.1.1


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

Despite the improvement of communities' health, head lice infestation remains a common health issue. The aim of the investigation was to find the prevalence of head lice infestation and its associated factors among female primary school students in Ghahavand County's female primary school students and compare with previous studies. Head lice infestation is extremely prevalent in students, and it is based on variables such as parental education, previous infestation history, parental involvement in health care, number of household members, and the severity, shape, and length of the students' heads, including head lice infestation.

Source link: https://doi.org/10.32598/qums.15.10.2441


Examination of vertical transmission of Bartonella quintana in body lice following multiple infectious blood meals

By qPCR vertical transfer of infectious feces from the egg sheath during or after oviposition, B. quintana DNA can be detected from the surface of eggs. Based on this information, vertical transfer of B. quintana from infected adult lice to their eggs has probably had no effect on humans's transmission dynamics.

Source link: https://doi.org/10.1093/femspd/ftac028


Independent evolution of highly variable, fragmented mitogenomes of parasitic lice

Abstract The mitochondrial genomes of bilaterian animals are extremely conserved organs with a single circular chromosome. However, several species of parasitic lice have fragmented mitogenomes, in which mitochondrial genes are present on separate, circular chromosomes. Here, we synthesized new and existing data to help understand mitogenome fragmentation in major groups of parasitic lice. We also found a significant link between mitochondrial fragmentation and signatures of relaxed selection. Mitochondrial fragmentation was also associated with declines to a lower AT%, presumably due to differences in mutation biases.

Source link: https://doi.org/10.1038/s42003-022-03625-0


Lice, scabies, and myiasis

Although many mite species can feed on human tissue, scabies are the most common mites living on human hosts. Both of these arthropods can cause irritation and inflammation of the skin, but fly larvae can penetrate more deeply into the body. Myiasis is not a contagious disease, and scabies mites are easily spread between close friends, although scabies mites are not common, whereas myiasis is not a chronic disease.

Source link: https://doi.org/10.1093/med/9780190888367.003.0024


Lice in War and Peace

Humans are divergence from other apes and clothing as humans began wearing clothing, according to anthrologizing lice genetics. Human body lice live in clothing and infest people solely to feed. During World War II and World War II, typhus Epidemics were widespread in wartime, killing troops in both World War I and World War II, as well as civilians in Nazi concentration camps and the Warsaw Ghetto immediately after, as the disease killed thousands of Irish refugees fleeing to the United States on u201ccoffin ships.

Source link: https://doi.org/10.1093/oso/9780197555583.003.0008

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions