Relevant bibliographies by topics / Chewing lice

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  2. Dissertations / Theses
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  5. Conference papers

Academic literature on the topic 'Chewing lice'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 March 2023

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Journal articles on the topic "Chewing lice"

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Siyal, S., S. Naz, N. A. Birmani, and A. K. Thebo. "POPULATION DIVERSITY OF CHEWING LICE (PHTHIRAPTERA) INFESTING DUCKS AND GEESE (FAMILY ANATIDAE) IN SOUTHEAST PARTS OF PAKISTAN." Pakistan Journal of Agriculture, Agricultural Engineering and Veterinary Sciences 38, no. 2 (December 29, 2022): 129–36. http://dx.doi.org/10.47432/2022.38.2.5.

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The birds and chewing lice relationship depends on environmental conditions that cause morbidity by feeding on feathers, irritating them, hence affecting their economic importance. In the present work, the statistical taxonomical analysis of the chewing lice was done using the population distribution, prevalence and host-parasite interaction. The chewing lice (Phthiraptera) were planned to study the population burden and infestation rate in ducks and geese in local water bodies in Sindh. The study was conducted between September 2018 and August 2021. Total of 124 birds, including Anas acuta, A. crecca, A. platyrhynchos, A. querquedula, Aythya ferina, A. fuligula, A. nyroca, Anser albifrons, A. anser, Marmaronetta angustirostris and Spatula clypeata were used. Amongst 124 host birds, only 58 birds were found infested with 46.77% prevalence of chewing lice. A total of 405 chewing lice were collected among them 137 males, 178 females and 90 nymphs were recovered, including 8 species, Anaticola crassicornis (Scopoli, 1763), A. mergiserrati (de Geer, 1778), Anatoecous dentatus (Scopoli, 1763), A. icterodes (Nitzsch, 1818), Holomenopon fatemae (Naz and Rizvi, 2012), H. leucoxanthum (Burmeister, 1838), Trinoton anserinum (Fabricius, 1805) and T. qurequdulae (Linnaeus, 1758). The highest abundance and frequency (%) of chewing lice recorded for Anaticola crassicornis were 125 and 30.86% respectively, whereas the lowest for Anatoecus dentatus were 12 and 2.96% respectively. Among birds, the highest host-wise prevalence of lice infestation was found in A. ferina (58.33%), whereas the least prevalence was in A. albifrons (22.22%). Among lice species, the highest mean intensity was recorded by Anaticola crassicornis (13.89±3.33) and the least mean intensity was for Holomenopon fatemae mean intensity (2.6±0.4). It was also the first collective report on the chewing lice population burden on anatid birds in the Sindh region of Pakistan.
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SÁNCHEZ-MONTES, SOKANI, PABLO COLUNGA-SALAS, LUCÍA ÁLVAREZ-CASTILLO, CARMEN GUZMÁN-CORNEJO, and GRISELDA MONTIEL-PARRA. "Chewing lice (Insecta: Phthiraptera) associated with vertebrates in Mexico." Zootaxa 4372, no. 1 (January 15, 2018): 1. http://dx.doi.org/10.11646/zootaxa.4372.1.1.

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The chewing lice (Insecta: Phthiraptera: Amblycera and Ischnocera) of Mexico have been little studied and many publications include isolated records. This paper summarizes current knowledge of chewing lice recorded from Mexico resulting from an exhaustive search of the literature published from 1866 to 2017. We found 342 louse species associated with 206 bird and 28 mammal species. As a result, we provide a checklist of the chewing lice recorded from Mexico, including a host-parasite list and their geographical distribution within the country.
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Yevstafieva, V. A. "Chewing Lice (Order Mallophaga, Suborders Amblycera and Ichnocera) Fauna of Domestic Chicken (Gallus Gallus Domesticus) in Ukraine." Vestnik Zoologii 49, no. 5 (October 1, 2015): 393–400. http://dx.doi.org/10.1515/vzoo-2015-0044.

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Fauna of chewing lice parasitizing Gallus gallus domesticus Linnaeus, 1758 (domestic chicken) in the Poltava Region was studied. Four species of chewing lice belonging to Menoponidae, Amblycera and Goniodidae, Ischnocera were identified. Of them, Menopon gallinae, Linnaeus, 1758 and Menacantus stramineus Nitzsch, 1818 are dominant, and Menacantus cornutus Schommer, 1913 and Goniocotes hologaster Nitzsch, 1838 are rarer. The prevalence and intensity of infestation of chewing lice on chickens and their localization on the host’s body were studied. Ratio of body lengths is proposed as a character that can facilitate parasites’ identification
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Sychra, O. "Chewing lice (Phthiraptera: Amblycera, Ischnocera) from chukars (Alectoris chukar) from a pheasant farm in Jinacovice (CzechRepublic)." Veterinární Medicína 50, No. 5 (March 28, 2012): 213–18. http://dx.doi.org/10.17221/5617-vetmed.

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One hundred and twenty captive chukars (Alectoris chukar) and other hosts from a pheasant farm in Jinacovice (Czech Republic) were searched for chewing lice from July 2003 to April 2004. Seven species of chewing lice were found on chukars: Amyrsidea perdicis, Menacanthus pallidulus, Menopon gallinae (Amblycera); Goniodes colchici, Lipeurus maculosus, Goniocotes microthorax and Cuclotogaster heterographus (Ischnocera). Except for the last two mentioned species, the other five louse species are recorded for the first time on chukars. The prevalence, mean intensity of infestation and mean abundance of the lice from chukars were recorded. The species diversity and distribution of chewing lice from another eight species of gallinaceous birds kept in the pheasant farm were also recorded.
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Haase, Ben, and Juan José Alava. "First records of chewing lice (Phthiraptera: Menoponidae) in Pacific migratory shorebirds wintering in Ecuador." Revista Brasileira de Parasitologia Veterinária 23, no. 2 (June 2014): 260–63. http://dx.doi.org/10.1590/s1984-29612014026.

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Chewing lice were collected from small shorebirds (Charadriformes: Scolopacidae) overwintering in foraging grounds of coastal Ecuador. On 27 occasions at least one louse (3.7%) was collected from six host species. Based on external morphological characters, at least two species of chewing lice could be preliminary identified (family: Menoponidae), including Actornithophilus umbrinus(Burmeister, 1842) and Austromenopon sp. A. umbrinus was found in the Western Sandpiper (Calidris mauri), Least Sandpiper (C. minutilla), Stilt Sandpiper (C. himantopus), Semipalmated Plover (Charadrius semipalmatus) and Wilson's phalarope (Phalaropus tricolor), whileAustromenopon sp. is presumably the first record collected from the Surfbird (Aphriza virgata). These findings indicate that the distribution of these chewing lice species covers at least the regions around the equator (latitude 0°) until the Arctic in the north, but probably also includes the entire winter distribution area of the host species. This is the first study of chewing lice from Ecuador's mainland coast and more research is required to understand the host-parasite ecology and ectoparasitic infection in shorebirds stopping over the region.
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Banks, Jonathan C., and Adrian M. Paterson. "A penguin-chewing louse (Insecta : Phthiraptera) phylogeny derived from morphology." Invertebrate Systematics 18, no. 1 (2004): 89. http://dx.doi.org/10.1071/is03022.

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Penguins are parasitised by 15 species of lice in the genera Austrogoniodes and Nesiotinus and present an opportunity to analyse phylogenetic relationships of two complete genera of chewing lice parasitising a monophyletic group of hosts. Taxonomy of penguin lice has been revised several times, including the erection of the genus Cesareus to contain some of the penguin-chewing louse species. Additionally, other groups of species within Austrogoniodes have been proposed. We constructed a phylogeny for all the chewing lice parasitising penguins from 46 parsimony-informative morphological characters and found support for two groups within Austrogoniodes, but little support for the Cesareus genus. Austrogoniodes metoecus, the only Austrogoniodes species parasitising a bird other than a penguin, was basal in the phylogeny, which suggests that if A. metoecus did originate from a louse species parasitising penguins, the host-switching event was unlikely to have been recent. A�superficial comparison of louse and penguin phylogenies identified some potential instances of co-speciation. However, a full analysis of co-phylogenetic relationships between penguins and their lice awaits the publication of a better-resolved penguin phylogeny.
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OŠLEJŠKOVÁ, LUCIE, JÁN KRIŠTOFÍK, ALFRÉD TRNKA, and OLDŘICH SYCHRA. "An annotated checklist of chewing lice (Phthiraptera: Amblycera, Ischnocera) from Slovakia." Zootaxa 5069, no. 1 (November 19, 2021): 1–80. http://dx.doi.org/10.11646/zootaxa.5069.1.1.

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This checklist includes taxa of chewing lice from published records, old collections, and recently collected material from birds and mammals in Slovakia. Data from established collections correspond to five different periods: (1) 1925–1939, collection of Karel Pfleger; (2) 1946–1978, collection of František Balát; (3) 1974–1985, collection of Vladimír Straka; (4) 1997–2012, collection of Ján Krištofík; and (5) 2008–2019, a collection made by the authors of this paper. A total of 255 species of feather lice—67 amblyceran species in 22 genera of families Laemobothriidae, Menoponidae and Ricinidae, and 188 ischnoceran species in 54 genera of the family Philopteridae—and 366 host-louse associations are listed from 171 bird species in 21 orders. In addition, eight species of chewing lice in five genera of the family Trichodectidae are listed from eight species of mammals. Species of chewing lice are reported from about 240 different locations throughout the territory of Slovakia. Also, 43 species of lice and 20 host-louse associations for Slovakia, as well as four host-louse associations for the world, are included as new records. A host-louse list of recorded species is also given.
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Galloway, Terry D., and Robert J. Lamb. "Population Dynamics of Chewing Lice (Phthiraptera) Infesting Birds (Aves)." Annual Review of Entomology 66, no. 1 (January 7, 2021): 209–24. http://dx.doi.org/10.1146/annurev-ento-041420-075608.

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In the past 25 years, studies on interactions between chewing lice and their bird hosts have increased notably. This body of work reveals that sampling of live avian hosts, collection of the lice, and the aggregated distributions of louse infestations pose challenges for assessing louse populations. The number of lice on a bird varies among host taxa, often with host size and social system. Host preening behavior limits louse abundance, depending on bill shape. The small communities of lice (typically one–four species) that live on individual birds show species-specific patterns of abundance, with consistently common and rare species, and lower year-to-year population variability than other groups of insects. Most species of lice appear to breed continuously on their hosts, with seasonal patterns of abundance sometimes related to host reproduction and molting. Competition may have led to spatial partitioning of the host by louse species, but seldom contributes to current patterns of abundance.
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Galloway, Terry D., and Robert J. Lamb. "Population Dynamics of Chewing Lice (Phthiraptera) Infesting Birds (Aves)." Annual Review of Entomology 66, no. 1 (January 7, 2021): 209–24. http://dx.doi.org/10.1146/annurev-ento-041420-075608.

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In the past 25 years, studies on interactions between chewing lice and their bird hosts have increased notably. This body of work reveals that sampling of live avian hosts, collection of the lice, and the aggregated distributions of louse infestations pose challenges for assessing louse populations. The number of lice on a bird varies among host taxa, often with host size and social system. Host preening behavior limits louse abundance, depending on bill shape. The small communities of lice (typically one–four species) that live on individual birds show species-specific patterns of abundance, with consistently common and rare species, and lower year-to-year population variability than other groups of insects. Most species of lice appear to breed continuously on their hosts, with seasonal patterns of abundance sometimes related to host reproduction and molting. Competition may have led to spatial partitioning of the host by louse species, but seldom contributes to current patterns of abundance.
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Valim, Michel P., Marcos A. Raposo, and Nicolau M. Serra-Freire. "Associations between chewing lice (Insecta, Phthiraptera) and albatrosses and petrels (Aves, Procellariiformes) collected in Brazil." Revista Brasileira de Zoologia 23, no. 4 (December 2006): 1111–16. http://dx.doi.org/10.1590/s0101-81752006000400019.

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Chewing lice were searched on 197 skins of 28 species of procellariiform birds collected in Brazil. A total of 38 species of lice were found on 112 skins belonging to 22 bird species. The lice were slide-mounted and identified. A list of lice species found and their host species is given and some host-louse associations are discussed under an evolutionary perspective.
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Dissertations / Theses on the topic "Chewing lice"

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Taylor, Jason. "Diversification of chewing lice and cospeciation with their mammalian hosts." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367949.

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Walther, Bruno Andreas. "Comparative studies of ectoparasite communities of birds." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364001.

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Silva, Honara Morgana da. "Ectoparasitos associados a aves de um fragmento de Floresta Estacional Decidual no Rio Grande do Norte, Brasil." Universidade Federal do Rio Grande do Norte, 2013. http://repositorio.ufrn.br:8080/jspui/handle/123456789/14042.

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Made available in DSpace on 2014-12-17T14:33:09Z (GMT). No. of bitstreams: 1 HonaraMS_DISSERT.pdf: 1764050 bytes, checksum: 8846e2477a7b0e0f242d2ada60121e07 (MD5) Previous issue date: 2013-03-26
This study to aimed investigate the community of ectoparasites associated with birds in the Mata do Olho D ?gua, in the municipality of Maca?ba, Rio Grande do Norte (RN), Brazil, its structure and the ambiental and hosts influential variables on it, and to verify microhabitats preferences by species of chewing lice and feather mites. We examined 172 individuals belonging to 38 species of Passeriformes and non-Passeriformes. 12 new geographic records are reported and 11 host-parasite associations not yet known for chewing lice and feather mites species. Significant relationship was found between the abundance of chewing lice and the variables total length (r = 0.29, p <0.05) and exposed culmen (r = 0.38, p <0.05) of the hosts. A principal component (PC1) accounted for 90.1% of the hosts morphological variation was significantly influential on the abundance of chewing lice (p <0.05), indicating that the morphological characteristics of the hosts may be positively influencing the abundance of these ectoparasites. Significantly higher frequency of individuals with high loads of chewing lice was detected during the dry period (x ? = 8.5, p <0.05), corroborating studies that propose that birds of arid environments suffer as much pressure as those of parasitic humid environments. Analyses of null models of co-occurrence and niche overlap showed a high degree of structure in the feather mites and chewing lice assemblies, when compared with other groups, and preferences in the use of microhabitats by taxa identified. These results corroborate ecological theories in host-parasite systems, contribute to the knowledge of ectoparasites associated with neotropical birds, and the need for experimental studies, as well as further deepening the biology of these arthropods
O presente estudo teve como objetivos investigar a comunidade de ectoparasitos associada a aves Mata do Olho D ?gua, localizada no munic?pio de Maca?ba, Rio Grande do Norte, BR, sua estrutura e a influ?ncia de vari?veis ambientais e morfol?gicas dos hospedeiros, al?m de averiguar prefer?ncias de microh?bitat pelas esp?cies de ?caros de pena e mal?fagos em associadas ?s aves em estudo. Foram examinados 172 indiv?duos pertencentes a 38 esp?cies de aves Passeriformes e n?o-Passeriformes. S?o reportados 12 novos registros geogr?ficos para o Brasil e 11 associa??es ainda n?o conhecidas com hospedeiros de ?caros de pena e mal?fagos. Foi detectada rela??o significativa entre abund?ncia de mal?fagos e as vari?veis comprimento total (r= 0,29; p<0,05) e c?lmen exposto (r= 0,38; p<0,05) dos hospedeiros. Uma componente principal (CP1) respons?vel por 90,1% da varia??o morfol?gica dos hospedeiros foi significativamente influente sobre a abund?ncia de mal?fagos (p<0,05), indicando que caracter?sticas morfol?gicas dos hospedeiros podem estar influenciando positivamente a abund?ncia desses ectoparasitos. Frequ?ncia significativamente maior de indiv?duos com altas cargas de mal?fagos foi dectada durante o per?odo de seca (x?= 8,5; p<0,05), corroborando estudos que prop?em que aves de ambientes ?ridos sofrem tanta press?o parasit?ria quanto aquelas de ambientes ?midos. An?lises de modelos nulos de coocorr?ncia e sobreposi??o de nicho apontaram alto grau de estrutura nas assembleias de ?caros e mal?fagos, quando comparadas com outros grupos, e prefer?ncias no uso de microh?bitats pelos t?xons identificados. Estes resultados corroboram teorias ecol?gicas nos sistemas parasito-hospedeiro, contribuem para o conhecimento dos ectoparasitos associados ?s aves neotropicais e apontam a necessidade de estudos experimentais, assim como maior aprofundamento na biologia desses artr?podos
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Borges, Tânia de Freitas. "Eletromiografia, força de mordida, performance mastigatória e qualidade de vida em indivíduos com comprometimento periodontal." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/58/58131/tde-15082011-162411/.

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Entende-se que indivíduos com comprometimento periodontal moderado/avançado generalizado pela reduzida inserção óssea, consequentemente teria sua função mastigatória alterada. No entanto, esse assunto é escasso na literatura, dificultando a identificação dos reais efeitos da doença periodontal na função mastigatória. Por conseguinte, este estudo objetivou comparar a eficiência dos ciclos mastigatórios (eletromiografia), a performance mastigatória (trituração), o limiar de deglutição, a força de mordida e qualidade de vida relacionada à saúde oral - QvO, considerando a proporção altura óssea/comprimento do dente (OA/D). Propôs-se também correlacionar as variáveis estudadas com OA/D e mobilidade dental. Participaram voluntários com condição periodontal saudável à periodontite avançada generalizada (n=24; 23-76 anos), distribuídos em dois grupos (n=12), grupo controle - GC (OA/D<50%) e teste - GT (OA/D> 50%). O registro eletromiográfico foi utilizado para mensurar a Eficiência dos Ciclos Mastigatórios pela integral da envoltória dos músculos masseteres e temporais durante a mastigação do parafilme, “biocápsula”, uva passa e amendoim, além da avaliação do Limiar de Deglutição. A Peformance Mastigatória foi avaliada por meio da mastigação habitual (10 segundos) da “biocápsula” com “beads” e a Força de Mordida máxima na região de molar direita e esquerda pelo dinamômetro. Utilizouse o questionário OHIP-14br como instrumento de avaliação da QvO. Nos testes de comparação aplicou-se Teste t de student para amostras independentes (p<0,05). Encontrou-se diferença estatisticamente significante da eficiência mastigatória entre GC e GT (p=0,006) e Força de Mordida do lado esquerdo (p=0,023). Para o Limiar de Deglutição não houve diferença estatisticamente significante entre GC e GT para mastigação das uvas passas e amendoim até que o alimento estivesse pronto para deglutir (Tempo; p=0,097 e p=0,161 e Número de ciclos; p=0,058 e p=0,230). Na análise da Eficiência dos Ciclos Mastigatórios não houve diferença entre GC e GT. Os dados da QvO foram analisados por meio do teste U de Mann-Whitney para a comparação de cada questão, das subescalas e da somatória de todo o OHIP-14Br entre GC e GT. Diferenças estatisticamente significantes foram encontradas para as questões “incomodado ao comer alimento” (p=0,001) e “preocupado com a saúde periodontal” (p=0,002), para as subescalas “dor física” (p= 0,003), “desconforto psicológico” (p= 0,008) e “limitação física” (p=0,033), e na somatória total do OHIP-14Br (p=0,001). Aplicou-se correlação parcial para Performance Mastigatória, Força de Mordida e Eficiência dos Ciclos Mastigatórios e correlação de Spearman para QoV (p<0,05). Para os testes de correlação considerou-se a OA/D dos sextantes direitos (média s1+s6 - SD) e esquerdos (média s3+s4 - SE). Correlação significante foi encontrada entre PM e inserção óssea do SD (p=0,005) e SE (p=0,004); a QoV e inserção óssea (p=0,003) e mobilidade dental (p=0,000). Na mastigação da biocápsula (p=0,005) e amendoins (p=0,008) a integral da envoltória do masseter esquerdo apresentou correlação com a mobilidade dental do SD. Dentro dos limites deste estudo, pode-se afirmar que a perda da estrutura do periodonto afeta negativamente a função mastigatória e a qualidade de vida relacionada à saúde bucal. Sendo que, a função mastigatória e a qualidade de vida tem relação com a perda da inserção óssea e mobilidade dental.
It is understood that individuals with moderate/severe generalized form of periodontal disease by reduced supporting alveolar bone would consequently have their masticatory function changed. However, the literature on this subject is scarce, which makes it difficult to identify the actual effects of periodontal disease on masticatory function. Therefore, this study aimed to compare the masticatory cycle efficiency (electromyography), masticatory performance (comminution of food), swallowing threshold, bite force and oral health-related quality of life- OHRQoL, considering the proportion of alveolar bone height/ tooth length (AB/T). It also proposed to correlate the variables studied with AB/T and dental mobility. Volunteers (n = 24; 23-76 years) with healthy periodontal condition to generalized form of periodontal disease were distributed into two groups (n = 12): control group-CG (AB/T<50%) and test group TG (AB/T>50%). The electromyography recording was used to measure the masticatory cycle efficiency by the ensemble average of masseter and temporal muscles during chewing of parafilm, \"biocapsule\", raisin and peanut, in addition to the assessment of swallowing threshold. The Masticatory Performance was evaluated by habitual mastication (10 seconds) of \"biocapsule\" with beads and the maximum Bite Force in the right and left molar region by the dynamometer. The OHIP-14br questionnaire was used to assess the OHRQoL. In comparison tests, the Students t-test was applied for independent samples (p < 0.05). The tests showed statistically significant differences of the masticatory efficiency between CG and TG (p = 0.006) and bite force on the left side (p = 0.023).For the swallowing threshold, no statistically significant difference was found between CG and TG for chewing of raisins and peanuts until the food was ready to be swallowed (Time: p = 0.097 and p = 0.161, Number of Cycles: p = 0.058 and p = 0.230). In the analysis of Masticatory Cycle Efficiency, there was no difference between CG and TG. OHRQoL data was analyzed by the MannWhitney U test to compare each question, subscales and the OHIP-14Br total sum between CG and TG. Statistically significant differences were found for questions \"Found it uncomfortable to eat any foods\" (p = 0.001) and \"Been self-conscious about periodontal health\" (p = 0.002), for the subscales, physical pain\" (p = 0.003), \"psychological discomfort\" (p = 0.008) and \"physical limitation\" (p = 0.033), and the OHIP-14Br total sum (p = 0.001). Partial correlation was applied to masticatory performance, bite force and masticatory cycle efficiency, and the Spearman correlation to OHRQoL (p<0.05). For the correlation tests, the AB/T of the right (mean s1 + s6-RS) and left sextants (average s3 + s4- LS) was considered. Significant correlation was found between performance masticatory and supporting alveolar bone of RS (p = 0.005) and LS (p = 0.004); the OHRQoL and supporting alveolar bone (p = 0.003) and dental mobility (p = 0.000). In biocapsule (p = 0.005) and peanut chewing (p = 0.008), the ensemble average of the left masseter muscle presented correlation with the RS dental mobility. Within the study limits, we can say that periodontium loss negatively affects the masticatory function and the quality of life related to oral health, assuming that the masticatory function and quality of life are related to supporting alveolar bone loss and dental mobility.
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Matias, Katia Silva. ""Qualidade de vida de pacientes com câncer bucal e da orofaringe através do questionário UW-QOL"." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/23/23148/tde-12012006-151035/.

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O presente estudo realizou teste de campo para uma versão em Português do questionário de qualidade de vida da Universidade de Washington (UW-QOL, quarta versão), com o intuito de avaliar a capacidade do questionário em descrever padrões diferenciais de qualidade de vida de pacientes com câncer de boca no contexto brasileiro, e incentivar avaliações dessa natureza em diferentes contextos culturais. Foram entrevistados 143 pacientes com carcinoma epidermóide de boca e orofaringe atendidos no Complexo Hospitalar Heliópolis, usando um questionário especificamente desenvolvido para esta finalidade. Dados colhidos do prontuário do paciente informaram características sócio-demográficas desses pacientes, sua condição clínica e os tratamentos efetuados. A auto-avaliação de qualidade de vida foi estratificada segundo categorias sócio-demográficas e clínicas, como estratégia para apreciar a capacidade do questionário em discriminar os domínios mais afetados em diferentes quadros de qualidade de vida. Os pacientes com tumores maiores, os que tinham tumores localizados na orofaringe ou na porção posterior da boca, os que apresentaram metástases regionais e os que foram submetidos a radioterapia apresentaram indicações significantemente menos elevadas (p < 0,05) de qualidade de vida. Mastigar, ansiedade, engolir e saliva foram os domínios de pior pontuação; dor, engolir, mastigar e saliva foram as queixas mais freqüentes na semana que antecedeu a entrevista. O questionário foi bem aceito e facilmente respondido pelos pacientes, permitindo a identificação de relevantes contrastes e similaridades entre os grupos de respondentes. Seu uso regular em ambiente hospitalar pode contribuir para antecipar intervenções voltadas à redução de impacto das aplicações terapêuticas e à gestão dos tratamentos.
This study performed a field trial of a Portuguese version of the University of Washington quality of life questionnaire (UW-QOL, fourth version), aiming at fostering these studies in cross-cultural contexts, and at appraising the questionnaire’s ability in identifying differential patterns of health-related quality of life of patients with cancer of mouth and oropharynx in the Brazilian context. We interviewed 143 patients undergoing treatment for oral squamous cell carcinoma at a large Brazilian hospital (Complexo Hospitalar Heliópolis), using a questionnaire specifically developed for this purpose. Hospital records informed socio-demographic characteristics of these patients, their clinical status, and treatments already performed. The self-report of quality of life was stratified by categories of socio-demographic and clinical characteristics of patients, as a strategy for assessing the ability of the questionnaire in discriminating the most affected domains for patients presenting different conditions. Patients presenting larger tumours, neoplasm in the oropharynx or in posterior parts of the mouth, those affected by regional metastasis and those already treated with radiotherapy presented significantly (p < 0.05) poorer scores of quality of life. Chewing, anxiety, swallowing and saliva were the poorest rated domain; pain, swallowing, chewing and saliva were the most frequent complaints during the week preceding the interview. The questionnaire was well accepted and easily answered by patients, and allowed the identification of relevant contrasts and similarities among subsets of respondents. Its regular use in hospital settings can contribute for anticipating interventions aimed at reducing the impact of therapeutic applications and at subsequent patient management.
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Gellacic, Alzira Suelí. "Riscos associados ao declínio da função mastigatória autorreferida em idosos." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/6/6135/tde-22012013-155013/.

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O objetivo deste estudo foi identificar fatores associados com a deterioração da função mastigatória autorreferida em idosos participantes do Estudo Sabe (Saúde, Bem-Estar e Envelhecimento) com 60 anos e mais do Município de São Paulo entre os anos de 2000 e 2006. Foi realizada pesquisa tipo caso controle aninhada a uma coorte. A população do estudo foi de 890 idosos de ambos os sexos, dos quais foram identificados 236 casos e 654 controles. Utilizou-se técnica de análise exploratória contendo dados relativos a variáveis demográficas e socioeconômicas, cognitivas, saúde bucal, autoavaliação de saúde, hábitos e estilo de vida, incapacidades, acessibilidade a serviços de saúde e tipo de moradia. A distribuição do evento nos casos e controles nas categorias de exposição foi analisada utilizando-se o teste Quí-q uadrado de Pearson. Na análise univariada identificou-se as variáveis de maior associação para a elaboração do modelo de regressão logística múltipla hierárquica. Idealizado em cinco níveis: demográfico, socioeconômico, comportamental, autoavaliação de saúde geral e dificuldades e por último relacionado à dentição. Em conformidade teórica a esse tipo de modelo, na sequência apresentada, foram considerados mais distais e mais proximais ao desfecho, do primeiro nível ao último respectivamente. Após os devidos ajustes, obteve-se como resultado para risco para déficit mastigatório: referir mais da metade de dentes perdidos (OR= 1,8; p= 0,033); avaliar-se com memória ruim (OR= 2,8; p= 0,001); ser viúvo (OR= 1,6; p= 0,038); ter renda inferior a dois salários mínimos (OR= 1,9; p= 0,004 ) e ter mais que 75 anos de idade (OR= 2,0; p< 0, 0001). Sugere-se que os serviços de saúde considerem os resultados e direcionem especial atenção em educação e prevenção na população adulta, a fim de atingir a senilidade com, no mínimo, 50 por cento dos dentes nas arcadas dentárias
The objective of this study was to identify factors associated with self-reported impairment of masticatory function in elderly participants of the Estudo SABE (Saúde, Bem-Estar e Envelhecimento) aged 60 and more in São Paulo between 2000 and 2006. It was done a case-control study nested within a cohort. The study population consisted of 890 elderly of both sexes, of which were identified 236 cases and 654 controls. It was used the exploratory analysis method containing data related to variables of sociodemographic and socioeconomic, cognitive, oral health, mental health and self-assessment, habits and lifestyle, disability, accessibility to health services and housing type. The distribution of the event in cases and controls of exposition categories was analyzed using Pearson Chi-Square test. Univariable analysis identified variables were stronger association for the development of the multiple logistic regression hierarchy model. Conceived in five levels: demographic, socioeconomic, behavioral, and self-assessment of general health problems and ultimately related to teething. Pursuant to this kind of theoretical model, presented in sequence, were considered the most distal and proximal to the outcome of the first level to the last respectively. After the appropriate adjustments, was obtained as a result to risk for a deficit of masticatory function: refer more than half of missing teeth (OR = 1,8; p = 0.033); evaluated with poor memory (OR = 2,8; p = 0,001); being widowed (OR = 1,6; p = 0.038); having an income below two minimum wages (OR = 2,0 ; p = 0.004) and more than 75 years old. It is suggested that health services consider the results and direct special attention to education and prevention in the adult population in order to reach old age with at least 50 per cent of teeth in the dental arches
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Soares, José Bernardo Pedroso Couto. "Chewing lice in birds of Northern Greece." Master's thesis, 2017. http://hdl.handle.net/10348/8089.

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Dissertação de Mestrado Integrado em Medicina Veterinária
Nos últimos anos, os malófagos mastigados têm-se tornado objecto de extenso e inovadores estudos sobre a relação entre hospedeiro-parasita e a sua co-evolução. Adicionalmente a condição da população de passarideos é um indicador de alterações ambientais, devido à sua sensibilidade a efeitos negativos, tal como a poluição. Paralelamente o conhecimento dos níveis de infestação de hospedeiros passarideos por ectoparasites permite o uso destes dados como representativos do bem-estar ecológico do biotipo. No contexto da Grécia, esta área geográfica é de grande importância para espécies de passerideos migratórias e autóctones, pois proporcionando uma grande variedade de habitats. E com registros de 442 species de aves, das quais, 242 são autóctones, e as restantes migratórias. Apesar destes números, existe falta de dados relativamente à fauna de ftirápteros na Grécia. Logo, o objectivo principal deste trabalho é providenciar o primeiro estudo parasitológico de ectoparasites em aves. O trabalho de campo foi conduzido, em diversos locais, dentro dos Parques Nacionais de Koroneia e Volvi no Norte da Grécia. De 2013 a 2016, compreendendo 9 sessões captura ornitológica, nas quais foram examinados 729 espécies de aves e um total de 560 espécimes de malófagos foram coletados e examinados em condições laboratoriais. Este estudo parasitológico permitiu compreender melhor a relação entre hospedeiroparasita e descobrir novas associações. Adicionalmente, a revisão da relação entre Acrocephalus melanopogon e o complexo Philopterus sp., e re-descrever a espécie Philopterus acrocephalus. Os resultados, também, demonstraram ser similares a outros trabalhos em malófagos mastigadores em aves na Europa, os quais parecem apresentar uma aparente deterioração dos habitats. Em suma, o melhor conhecimento do complexo sistema de hospedeiro-parasita providencia ferramentas para o desenvolvimento de medidas de conservação ambiental e fauna selvagem.
In recent years, chewing lice have been the subject of extensive and innovative studies on host-parasite relationship and co-evolution (Smith, 2003). Furthermore, the fitness of the wild passerine population is an indicator of environmental changes as they sensitively react to pollution and other negative effects. Also, the knowledge concerning the infestation of passerine hosts by ectoparasites allows also the use of ectoparasites infestation as a sentinel of the overall ecological status of a biotope. Within the Greek context this geographical area holds a great importance local and migratory European bird species by providing a great variety of habitats. With a recorded 442 bird species, of which, 242 are locally breeding, while the rest are migratory birds. Despite this data concerning louse fauna of birds living in Greece are practically lacking. Hence the main aim of this work was to provide the first parasitological survey conducted on ectoparasites of birds. The field work was conducted, within several locations, inside Koroneia and Volvi National Park in Northern Greece. From 2013 to 2016, comprising 9 ornithological ringing sessions, where a total of 729 birds were examined and a total of 560 lice specimens were collected and further examined under laboratory conditions. This parasitological study allows to a better understanding of the host-parasite relations and discover new associations. Moreover, this study allowed a review of the association between Acrocephalus melanopogon and Philopterus-complex, and a redescription of Philopterus acrocephalus. The parasitological results also mimic other reports of bird’s chewing lice from Europe, that present a suggestive deterioration of habitats. Ultimately the better knowledge of the complex parasite-host systems may also provide tools for designing successful measures for wildlife and environment conservation.
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Grossi, Alexandra. "Taxonomic, ecological and quantitative examination of chewing lice (Insecta: Phthiraptera) on Canada geese (Branta canadensis) and mallards (Anas platyrhynchos) in Manitoba, Canada." 2014. http://hdl.handle.net/1993/23237.

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Over 19 years chewing lice data from Canada geese and mallards were collected. From Canada geese (n=300) 48,669 lice were collected, including Anaticola anseris, Anatoecus dentatus, Anatoecus penicillatus, Ciconiphilus pectiniventris, Ornithobius goniopleurus, and Trinoton anserinum. The prevalence of all lice on Canada geese was 92.3% and the mean intensity was 175.6 lice per bird. From mallards (n=269) 6,986 lice were collected which included: Anaticola crassicornis, A. dentatus, Holomenopon leucoxanthum, Holomenopon maxbeieri and Trinoton querquedulae. The prevalence of lice on mallards was 55.4% and the mean intensity was 42.0 lice per bird. Based on CO1, A. dentatus and Anatoecus icterodes were synonymised as A. dentatus. Anatoecus was found exclusively on the head, Anaticola was found predominantly on the wings, Ciconiphilus, Holomenopon and Ornithobius were observed in several body regions and Trinoton was found most often on the wings of mallards.
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ku, Chien-Chuan, and 顧建娟. "Chewing ability and oral health related quality of life among institutionalized elderly in Taipei city." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/01772408768932132618.

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碩士
臺北醫學大學
牙醫學系碩博士班
95
The purpose of this research was to assess the oral-health related quality of life among the institutionalized elderly and to identify its relevant factors. Cognitively coherent residents in two institutions in Taipei were recruited into the study using a convenient sampling technique and cross-sectional data was collected. A total of 224 subjects participated in this study. Demographic characteristics, chronic conditions, physical function, cognitive function, and geriatric oral- health related quality of life assessment (Geriatric Oral Health Assessment Index；GOHAI) were collected through face-to-face interviews, while information regarding dentition status, periodontal status, occlusion status and prosthetic status were collected through clinical examination. Results showed that the average GOHAI score was 50.7 out of 100, with 44.2% of subjects scored less than 50. Multivariate linear regression showed that, after controlling for demographic characteristics, the Eichner index, kinds of eating food and functional dependency are significant predictors of GOHAI scores. The model explained 17.5% of the total variance. Examining the three domains (physiological, social, and discomfort) of GOHAI individually, results showed that the Eichner index was highly correlated with the physiological domain of GOHAI, but not with the social or discomfort domains. The model explained 30.2% of the variance in the physiological domain. Eichner index is the most important predictor of oral-health related quality of life among the institutionalized elderly. Dental health policy should emphasize on using an objective and self-reported assessment for screening subjects in need of early intervention.
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Cheng, Chih-Hung, and 鄭至宏. "Factors Contributing to Tooth Loss, Chewing Ability and Quality of Life among the Rural Elderly in Tainan City." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/61278285392011945880.

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碩士
高雄醫學大學
口腔衛生學系碩士在職專班
105
Background: With a mean number of 14 missing teeth founded in the elderly whose age are over 65-year-old in Taiwan, it is assumed that the percentage of the elderly with edentulous could be high up to 21%. Due to the percentage of edentulous occurred in the elderly keeps raised, the health of the elderly is affected and fastened the speed that people get aged, then cause many systematic complications as a result. When an old person has a serious situation of missing teeth, the chewing ability will be affected accordingly and thus his oral health-related quality of life gets affected as well. Objective: This study is aim to realize what factors causes the situation of missing teeth in the elderly and to find out how much degree that the numbers of missing teeth would affect one''s chewing ability and oral health-related quality of life. Method: The participants for this study are the old people whose age over 65-year-old live in the Dongshan remote community in Tainan City. The 300 participants are chose by purposive sampling and study with cross-sectional study. The way to record the numbers of missing teeth is using oral check list and collect the population information, the oral health related information such knowledge, attitude and behaviors, surroundings, the chewing ability and oral health-related quality of life by interviewing with the elderly personally, Conclusion: When analyzing with multivariable linear regression analysis, we found out that after changing the variable of population, the factors such as Age(above 75yr vs. below 74yr)(B=5.51; 95%CI=4.01, 7.01), P value<0.001; Gender(male vs. female)(B=1.77; 95%CI=0.46, 3.08), P value=0.008; Time for brushing teeth(less than two minutes vs. two minutes or more)(B=3.21; 95%CI=0.72, 5.70), P value=0.012; Brush with toothpaste or tooth powder(yes vs. no)(B=4.04; 95%CI=1.61, 6.48), P value=0.001; Frequency of brushing(less than two times vs. two times or more)(B=2.03; 95%CI=0.46, 3.61), P value=0.012; availability to a dentistry(far vs. nearby)(B=-1.69; 95%CI=0.32, 3.06), P value=0.016, are significant correlation to the numbers of missing teeth. Factors such as Age(older than 75yr vs. younger than 74yr)(B=-2.82, 95%CI=-4.57, -1.07), P value=0.002; Education (below junior high school vs. above junior high school)(B=-2.44; 95%CI=-4.55, -0.33), P value=0.024; Numbers of missing teeth(B=-0.61; 95%CI=-0.81, -0.41), P value<0.001, are approved to be significant correlation to chewing ability. Factors such as Gender (male vs female) (B=1.80; 95%CI=0.33, 3.26), P value=0.016; Education (beyond junior high school vs. above junior high school) (B=4.78; 95%CI=2.61, 6.94), P value<0.001; Average monthly income(less than 10,000 vs. more than 10,001) (B=1.88; 95%CI=0.36, 3.41), P value=0.015; Chewing ability (B=-0.66; 95%CI=-0.78, -0.54), P value<0.001; are all significant correlation to oral health-related quality of life. Discussion: As the conclusion indicates, the teeth cleaning behavior and the availability to a dentistry for the elderly in remote community are strongly related to the numbers of missing teeth which is significant correlate to the chewing ability and then approved to be strongly connected to the oral health-related quality of life. The numbers of missing teeth are strongly closed to chewing ability and oral health-related quality of life. By improving the availability to a dentistry and insufficient medical resource in remote communities, promoting widely about oral health and exactly cleaning teeth and maintaining oral health do make some attributes to decrease the possibility to loss teeth for the elderly and thus to improve the chewing ability and increase the oral health-related quality of life. Keywords: the elderly, the number of missing teeth, chewing ability, oral health-related quality of life
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Books on the topic "Chewing lice"

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H, Graham O., and United States. Agricultural Research Service, eds. Chewing and sucking lice as parasites of mammals and birds. [Washington, D.C.]: U.S. Dept. of Agriculture, Agricultural Research Service, 1997.

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1937-, Forrester Donald J., and Florida Museum of Natural History., eds. Chewing lice (Mallophaga) from birds in Florida: A listing by host. Gainesville: University of Florida, 1995.

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Lakshminarayana, K. V. Glossary of taxonomic characters for the study of chewing-lice (Phthiraptera: Insecta). Calcutta: Zoological Survey of India, 1985.

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Data book for the study of chewing-lice (Phthiraptera : Insecta) in India and adjacent countries. Calcutta: Zoological Survey of India, 1986.

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Little, Jean. Chewing the cud. New York: Knopf, 2002.

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Kou xiang tang sheng huo: Chewing gum, life. Beijing: Zuo jia chu ban she, 2002.

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Betel chewing traditions in South-East Asia. Kuala Lumpur: Oxford University Press, 1993.

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Betel-chewing equipment of East New Guinea. Aylesbury, bucks, UK: Shire, 1988.

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Rios, Rosana. There is a gum stuck under the table. Coconut Creek, FL: Educa Brazil, 2010.

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P, Schultz Gillian, ed. Chicle: The chewing gum of the Americas, from the ancient Maya to William Wrigley. Tucson: University of Arizona Press, 2009.

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Book chapters on the topic "Chewing lice"

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Hangay, George, Susan V. Gruner, F. W. Howard, John L. Capinera, Eugene J. Gerberg, Susan E. Halbert, John B. Heppner, et al. "Mammal Chewing Lice." In Encyclopedia of Entomology, 2277. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_1696.

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Hangay, George, Susan V. Gruner, F. W. Howard, John L. Capinera, Eugene J. Gerberg, Susan E. Halbert, John B. Heppner, et al. "Marsupial Chewing Lice." In Encyclopedia of Entomology, 2301. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_1735.

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Clayton, Dale H., Richard J. Adams, and Sarah E. Bush. "Phthiraptera, the Chewing Lice." In Parasitic Diseases of Wild Birds, 513–26. Oxford, UK: Wiley-Blackwell, 2009. http://dx.doi.org/10.1002/9780813804620.ch29.

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Marcondes, Carlos Brisola, and Pedro Marcos Linardi. "Sucking and Chewing Lice." In Arthropod Borne Diseases, 503–15. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-13884-8_32.

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Gabrys, Beata, John L. Capinera, Jesusa C. Legaspi, Benjamin C. Legaspi, Lewis S. Long, John L. Capinera, Jamie Ellis, et al. "Chewing and Sucking Lice (Phthiraptera)." In Encyclopedia of Entomology, 837–41. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_621.

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Mehlhorn, Heinz. "Blood Sucking and Chewing Lice." In Reference Module in Biomedical Sciences. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-818731-9.00012-4.

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"A WAY OF LIFE." In Chewing Gum, 90–126. Routledge, 2004. http://dx.doi.org/10.4324/9780203311202-5.

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Olszok, Charis. "Absent Stories in the Urban Novel." In The Libyan Novel, 126–68. Edinburgh University Press, 2020. http://dx.doi.org/10.3366/edinburgh/9781474457453.003.0005.

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In Chapter Four, I move to novels of the city, depicting the heart of Libya’s social and political transformations, while, like the novel of the wilderness, marked by hunger and homelessness, in emotional rather than literal terms. I focus on novels from the 2000s, conveying experiences of imprisonment, marginality and oppression within an exploration of the fragility of narrative, both literal and figurative, by authors who remained within Libya throughout Gaddafi’s regime. Manṣūr Būshnāf’s al-‘Ilka (2008; Chewing Gum, 2014) is a standout achievement of Libyan fiction in the 2000s, centred on the twin symbols of a statue and of chewing gum. Through an explicitly postmodern aesthetics, Būshnāf labels his generation of authors the ‘generations of chewing’ (ajyāl al-lawk), and, I argue, this aptly conveys the creaturely poetics that I identify in wider Libyan fiction, characterised by unstable and elusive narrative, and a perception of fundamental lack, stasis and vulnerability. These aesthetics are explored in both of the two following novels: Muḥammad al-Aṣfar’s Sharmūla (2006), which depicts everyday life in Benghazi; and Razān Na‘īm al-Maghrabī’s Nisā’ al-rīḥ (2010; Women of the Wind), which depicts the closeted lives of Tripoli women, intertwined with the experience of an illegal migrant, embarking on a Mediterranean crossing.
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Armelagos, George J., and Dennis P. Van Gerven. "Skulls, Races, and Evolution." In Life and Death on the Nile. University Press of Florida, 2017. http://dx.doi.org/10.5744/florida/9780813054452.003.0002.

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In this chapter, we present our studies of functional cranial morphology and evolution from Mesolithic through Christian times. The chapter includes an overview of the univariate and multivariate statistical techniques we used. By using these techniques, we were able to demonstrate patterns of facial reduction—most particularly reductions in the chewing apparatus—that is consistent with the dietary shift from the course, abrasive diet associated with Mesolithic populations to the higher-carbohydrate, more-processed diet associated with Neolithic food production. This transition from gathering to food-producing technologies, seen in the correlation between facial reduction and food production, is consistent in other populations beyond the Nile Valley.
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Miura, Hiroko, Shuichi Hara, Kiyoko Yamasaki, and Yoshie Usui. "Relationship Between Chewing and Swallowing Functions and Health-Related Quality of Life." In Oral Health Care - Prosthodontics, Periodontology, Biology, Research and Systemic Conditions. InTech, 2012. http://dx.doi.org/10.5772/33023.

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Conference papers on the topic "Chewing lice"

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Alali, Firas, Ibrahim Alhaitami, Rana A. Jawad, and Marwa Jawad. "Identification of two new species of chewing lice in pigeon (Columba livia domestica) in Kerbala Province, Iraq." In INTERNATIONAL CONFERENCE OF NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0027457.

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Nakamura, Akihiro, Takato Saito, Daizo Ikeda, Ken Ohta, Hiroshi Mineno, and Masafumi Nishimura. "Automatic Detection of Chewing and Swallowing Using Multichannel Sound Information." In 2021 IEEE 3rd Global Conference on Life Sciences and Technologies (LifeTech). IEEE, 2021. http://dx.doi.org/10.1109/lifetech52111.2021.9391873.

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Billah, Muhammad Mehedi, and Masafumi Nishimura. "A data augmentation-based technique to classify chewing and swallowing using LSTM." In 2020 IEEE 2nd Global Conference on Life Sciences and Technologies (LifeTech). IEEE, 2020. http://dx.doi.org/10.1109/lifetech48969.2020.1570618976.

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Nakamura, Akihiro, Hiroshi Mineno, Masafumi Nishimura, Takato Saito, Daizo Ikeda, and Ken Ohta. "Automatic Detection of the Chewing Side Using Two-channel Recordings under the Ear." In 2020 IEEE 2nd Global Conference on Life Sciences and Technologies (LifeTech). IEEE, 2020. http://dx.doi.org/10.1109/lifetech48969.2020.1570618941.

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PIOGGIA, GIOVANNI, ANDREA MARCHETTI, MARCELLO FERRO, PIERO BARILI, DANILO DE ROSSI, FABIO DI FRANCESCO, and LUIGI GEROVASI. "A HUMAN-LIKE CHEWING MEASUREMENT SYSTEM FOR THE ASSESSMENT OF THE PERCEPTION OF FOOD CONSISTENCE." In Proceedings of the 9th Italian Conference. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701770_0082.

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Holmes, Ryan R., Jennifer R. Melander, Rachel A. Weiler, Thomas P. Schuman, Kathleen V. Kilway, and J. David Eick. "Polymerization Stress and the Influence of TOSU Addends on Methacrylate Composites." In ASME 2012 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/sbc2012-80627.

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The aesthetic appeal of composite-resin restoratives promotes their use, however their functional life is significantly shorter when compared to their metal counterparts.1 One possible reason is the effect of polymerization stress on marginal integrity. Shrinkage of the composite, and its associated stress, has been found to cause gap formation and stress interactions between the restorative and the adhesive. These gaps offer an ideal niche for bacteria, and, when compounded by the mechanical strain of chewing, can lead to premature failure of the restorative.2,3 Additionally, it is well known that incomplete conversion of the double bonds occurs during methacrylate polymerizations.4–7 A high degree of conversion is needed to prevent the presence of potentially hazardous monomers.8
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Mertes, Gert, Hans Hallez, Bart Vanrumste, and Tom Croonenborghs. "Detection of chewing motion in the elderly using a glasses mounted accelerometer in a real-life environment." In 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2017. http://dx.doi.org/10.1109/embc.2017.8037861.

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