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Cat ownership is associated with increased asthma prevalence and dog ownership with decreased spirometry values BJMBR
Simoneti,C.S.; Ferraz,E.; Menezes,M.B.; Icuma,T.R.; Vianna,E.O..
The association between pet ownership and the development of allergic and respiratory diseases has been the aim of several studies, however, the effects of exposure in adults remain uncertain. The aims of the present study were to investigate the prevalence of asthma and lung function status among dog and cat owners. This cross-sectional study was performed at two universities with students and workers who were allocated into 3 groups according to pet ownership in the previous year: cat owners, dog owners, and no pets (control group). Subjects underwent spirometry, bronchial challenge test with mannitol, skin prick tests, and questionnaires about animal exposures and respiratory symptoms. Control group comprised 125 subjects; cat owner group, 51 subjects;...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Respiratory tract diseases; Animals; Bronchial hyperreactivity; Lung function; Pets.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2018001200601
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Comparative Scanning Electron Microscopy of Platelets and Fibrin Networks of Human and Differents Animals International Journal of Morphology
Pretorius,E; Vieira,W. A; Oberholzer,H. M; Auer,R. E. J.
The purpose of the present study was to compare the platelet and fibrin network ultrastructure of humans to eight different animal species in order to determine the differences between human and animal platelet and fibrin morphology, and to determine whether the animals studied differ in their platelet and fibrin morphology, and whether these differences can be observed by scanning electron microscopy. Platelets and fibrin networks play an important role both in the coagulation process as well as physiologically in allergic processes and immunological mechanisms. The thickness of human fibrin networks were compared to mouse (Mus musculus), equine (Equus caballus), vervet monkey (Chlorocebus aethiops previously Cercopithecus aethiops), oryx (Oryx gazella),...
Tipo: Journal article Palavras-chave: Scanning electron microscopy; Platelets; Fibrin networks; Human; Animals.
Ano: 2009 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022009000100013
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Computational Fluid Dynamics (CFD) simulating heated air from wood burning inside a poultries barn REA
Coradi,Paulo C.; Martins,Márcio A.; da Costa,Douglas R.; Vigoderis,Ricardo B.; Tinôco,Ilda de F. F..
ABSTRACT Animal welfare is essential for livestock yield gains, which has been ethically justifiable and socially acceptable. Thus, our research aimed to test computational fluid dynamics model (CFD) to simulate heated air within a poultry barn. Data were simulated in CFD software based on Navier-Stokes equations (geometry of 3 m x 6 m, considering a symmetric mesh). As boundary conditions, a temperature of 38ºC was considered for walls where heating pipe outlets are, to the west side, besides a heat flow of zero, in symmetry to the same side. As for the sides east, south and north, walls were taken as isolated, i.e. heat flow equals to zero. The aviary heating system did not achieve a homogeneous temperature distribution, heat flow, heated air pressure...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Environment; Animals; Thermal comfort; Airflow.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162016000500768
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Criterios para a escolha de modelos de regressão na experimentação animal. Repositório Alice
FREITAS, A. R. de..
E comum na experimentacao agropecuaria o uso de modelos de regressao para descricao simplificada de uma populacao e/ou predicao de valores de variavel resposta para futuras observacoes. O procedimento mais utilizado para determinar a qualidade de ajuste do modelo e o coeficiente de determinacao R2 que e igaul a proporcao de variancia da variavel. Criterios para a escolha de modelos de regressao na experimentacao animal.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Modelo de regressão; Animal; Regression of model; Animals.
Ano: 1991 URL: http://www.alice.cnptia.embrapa.br/handle/doc/42186
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Hemolitic action of Naja naja atra cardiotoxin on erythrocytes from different animals J. Venom. Anim. Toxins incl. Trop. Dis.
Troiano,J. C.; Gould,E. G.; Gould,I..
A comparative study on the sensitivity of erythrocytes from different vertebrate species (avian, mammalian and reptilian) to the hemolytic action caused by cardiotoxin isolated from Naja naja atra venom was carried out. Cardiotoxin was able to induce direct hemolysis in washed erythrocytes from several animals, except for llama. The EC50 values from hemolysis of the most sensitive (cat) and the most resistant (snake) animal varied approximately tenfold. According to the cell behavior, it was possible to characterize four types of behavior: The first was observed in cat, horse and human cells; the second in rat, rabbit and dog erythrocytes; and the third only in llama erythrocytes, which were resistant to cardiotoxin concentrations up to 300 µg/ml. Finally,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hemolysis; Cobra; Venom; Erythrocytes; Animals.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992006000100004
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Inadequate timing between corticosteroid and antibiotics applications increases mortality due to sepsis BJID
Fadel,Marcus Vinícius Telles; Repka,João Carlos; Cunha,Cláudio Leinig Pereira da; Leão,Maria Terezinha C..
This study tested the hypothesis that the use of corticosteroids prior to antibiotics can lower the mortality rate in severe infections by S. aureus or Gram-negative bacilli, using an animal model. This study was a prospective and controlled study, placed in a university laboratory. Seven hundred and sixty mice distributed into three groups (Staphylococcus aureus, Escherichia coli and Klebsiella pneumoniae infected). The interventions in each group were: I) infection control (intra-peritoneal); II) treatment solely with antibiotics (teicoplanin or amikacin); III) antibiotics administered prior to the corticosteroid (methylprednisolone); IV) antibiotics administered after the corticosteroid. Mortality in the E. coli group, subgroup I: 100%; subgroup II: 55%...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Adrenal cortex hormones; Antibiotics; Sepsis; Survival; Mice; Animals; Laboratory; Severe infection; Peritonitis; Shock; Endotoxin.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702008000500013
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Investigation of Enteric Viruses in the Feces of Neotropical Migratory Birds Captured on the Coast of the State of Pará, Brazil Rev. Bras. Ciênc. Avic.
Guerreiro,AN; Moraes,CCG; Marinho,ANR; Barros,BCV; Bezerra,DAM; Bandeira,RS; Silva,RR; Rocha,DCC; Meneses,AMC; Luz,MA; Paz,GS; Mascarenhas,JDP.
ABSTRACT Migratory birds can become long-distance vectors for a wide range of microorganisms and can cause human disease, being the Brazilian coast a gateway for northern migratory birds. These animals are considered natural reservoirs of different viruses that cause important diseases, being relevant research of viral pathogens in migratory birds to epidemiology surveillance. The objective of the study was to investigate the presence of avian rotavirus (AvRV), avian reovirus (ARV) and picobirnavirus (PBV) in Neotropical migratory birds captured on the coast of Brazil. A total of 23 individual fecal samples of the migratory birds species Calidris pusilla (20 birds), Numenius phaeopus (1 bird) and Charadrius semipalmatus (2 birds) were collected. Fecal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Animals; Amazônia; Picobirnavirus; Reovirus; Rotavirus; RT-PCR..
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-635X2018000100161
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Obtenção do tamanho amostral em experimentos com animais usando medidas repetidas. Repositório Alice
FREITAS, A.R. de; MANZANO, A.; ESTEVES, S. N..
Na experimentação animal envolvendo medidas repetidas, e fundamental a combinações ótima do tamanho amostral (n), numero de avaliações do indivíduo e precisão experimental. O objetivo deste trabalho e estimar n para comparar dois ou mais tratamentos onde os indivíduos são avaliados em t medidas.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Tamanho amostral; Experimentação; Animals; Experimentation; Size.
Ano: 1996 URL: http://www.alice.cnptia.embrapa.br/handle/doc/43016
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Recomendações sobre o cultivo e uso da leucena na alimentação animal. Infoteca-e
RAMOS. G.M.; ITALIANO, E.C.; NASCIMENTO, M. do P.S.C.B. do; ARAUJO NETO, R. B. de.
Introdução; Escolha e preparo da área; Adubação e correção do solo; Tratamento das sementes; Preparo de mudas; Plantio; Formas de utilização; Incidência de pragas; Produção de forragem e valor nutritivo; Toxidez.
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Leucena; Nutrição animal; Cultivo; Leucaena leucocephala; Animals; Feeding; Cultivation.
Ano: 1997 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/53604
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Revealing fine scale subpopulations structure in the Vietnamese H'mong cattle breed for conservation purposes Inra
Berthouly, C.; Maillard, J.C.; Pham Doan, L.; Nhu Van, T;; Bed'Hom, B.; Leroy, G.; Hoang Thanh, H.; Laloë, D.; Bruneau, N.; Vu Chi, C.; Nguyen Dang, V.; Verrier, E.; Rognon, X..
Background: During the last decades, there has been an acceleration of the loss of domestic animal biodiversity. Forconservation purposes, the genetic diversity of the H'Mong cattle, an indigenous local breed was studied. Singlenucleotidepolymorphisms (SNP) of the SRY gene and mtDNA D-Loop sequence were analysed to clarify the origin ofthe breed. The genetic diversity was assessed through genetic data with twenty-five FAO microsatellites, andmorphometric data with five body measurements from 408 animals sampled from eight districts of the Ha Giangprovince.Results: The SRY genes were all of the zebu type. Among the 27 mtDNA haplotypes, 12 haplotypes were of the taurinetype and the remaining 15 of the zebu type. This indicates female taurine introgression in...
Tipo: Journal Article Palavras-chave: Animals; Cattle/genetics; Female; Gene Flow; Genes sry; Genetic Variation; Genetics Population; Haplotypes; Microsatellite Repeats; Phylogeny; Polymorphism; Single Nucleotide; RNA Messenger; Vietnam.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201125aa6ba2&uri=/notices/prodinra1/2011/06/
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Use of Anabolic Steroid Altered the Liver Morphology of Rats International Journal of Morphology
Tanasov,Valéria Simões; Neto,Walter Krause; Gonçalves,Leandro; Maifrino,Laura Beatriz Mesiano; de Sousa,Romeu Rodrigues; Gama,Eliane Florencio.
The aim of this research was to investigate the effect of testosterone propionate administration in the liver of rats. The rats were divided in the following groups: Initial control (SC), Aged control (SE) and Anabolic group (SA). Testosterone propionate was administered three times per week during 16 weeks. Using morphoquantitative techniques, we quantified the volume densities of lobular and non-lobular parenchyma, area and number of nuclei of hepatocytes. The data were analyzed statistically using mean and standard deviation, ANOVA one-way and level of significance about p0.05. Our results showed an increase in capillaries, perisinusoidal spaces and biliary ducts in SE group compared to SC. SA group showed a decrease in hepatic cells, non-lobular volume...
Tipo: Journal article Palavras-chave: Aging; Testosterone proprionate; Hepatic tissue; Animals.
Ano: 2014 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022014000300002
Registros recuperados: 11
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