Dissertations / Theses on the topic 'Caecium'
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Ropert, Alain. "Motricite de l'estomac proximal chez l'homme : etude de la reponse au repas et du controle neuro-hormonal." Nantes, 1996. http://www.theses.fr/1996NANT04VS.
Full textMühlhölzl, Susanne. "Cicero "pro A. Caecina" /." Aachen : Shaker, 1997. http://catalogue.bnf.fr/ark:/12148/cb409278788.
Full textDEBOEVERE, DENIS. "Gangrene gazeuse revelatrice d'une pathologie medicale : revue de la litterature a propos d'un cas." Amiens, 1988. http://www.theses.fr/1988AMIEM112.
Full textGarcia, Pierre. "Tuberculose laryngee et ileo-caecale : etude a propos d'un cas clinique traite a l'hopital de cannes." Nice, 1993. http://www.theses.fr/1993NICE6534.
Full textMeyran, Jean-Claude. "Dynamique calcique transépitheliale dans les caecums postérieurs d'Orchestia cavimana (Heller) (crustacé, amphipode) au cours de la mue." Dijon, 1987. http://www.theses.fr/1987DIJOS036.
Full textHumm, Michel. "Recherches sur appius claudius caecus." Strasbourg 2, 1999. http://www.theses.fr/1999STR20006.
Full textUsing the figure of a. C. C. As a point of departure, this study revises the social, institutional and cultural history of republican rome from the end of the ivth century to the beginning of the iiird century bc. The first part analyses the sources and historiographical traditions at the root of the image of this very controversial character, who became an exemplum for generations of claudii and romans. So the traditions concerning a. C. Go back to an epoque much earlier than that of the end of the republic. The second part attempts to explain the institutional reforms introduced by the censor (pertaining to the senate, the equites and the tribes) placing them in their wider context : the end of the patrician/plebeian conflict, the extension of the roman state after the conquest of campania and the integration of the equites campani, the samnite wars and the introduction of the maniple system in the army, the beginnings of a bronze currency and a reorganisation of the census. This ensemble led to a division of the civic charges which lay at the base of the tribute system, the reform/creation of the comitia tributa, the publication by cn. Flavius of a civil code and probably to the introduction of the pre-julian calendar. The third part attempts to explain the roll played in these reforms by hellenistic influences, and in particular those of pythagorism. It would appear that the reform of the tribes was at the base of an architectural transformation of the comitium, which adopted a circular form on the model of certain ecclesiasteria of magna graecia; the latter received a statue of pythagoras and a chapel dedicated to concordia, roman translation of the pythagorean homonoia from magna graecia, which aimed to justify the redistribution of rights and services, based upon the principle of geometric equality. The comitium, associated with the mundus, henceforth becomes the image of the organisation of the cosmos and the symbolic centre of the space and time of the city
Bellier, Rachel. "Contrôle nutritionnel de l'activité fermentaire caecale chez le lapin." Toulouse, INPT, 1994. http://www.theses.fr/1994INPT011A.
Full textHumm, Michel. "Appius Claudius Caecus : la République accomplie /." Rome : [Paris] : École française de Rome ; [diff. De Boccard], 2005. http://catalogue.bnf.fr/ark:/12148/cb401303483.
Full textJourda, de Vaux de Foletier Albane. "Etude de la cellulolyse bactérienne dans le caecum des équidés : variations de la population bactérienne liées à l’âge et à l'alimentation : caractérisation de l'espèce bactérienne cellulolytique dominante : interactions avec une espèce non cellulolytique caécale." Dijon, 1997. http://www.theses.fr/1997DIJOS060.
Full textCuq, Pierre. "Etude pharmacologique de la commande muscarinique du muscle lisse du caecum du lapin." Montpellier 1, 1994. http://www.theses.fr/1994MON13516.
Full textAjam, Marwan. "Évaluation de l'énergie métabolisable et de la digestibilité de l'azote chez le coq : comparaison des bilans avec ou sans marqueur : influence de la présence des caecums." Toulouse, INPT, 1987. http://www.theses.fr/1987INPT003A.
Full textBennegadi, Nadia. "Les entéropathies non-spécifiques du lapin en croissance : impacts des facteurs microbien et nutritionnel." Rennes, Agrocampus Ouest, 2002. http://www.theses.fr/2002NSARB141.
Full textRolet, Gauthier. "Structure et rôle du caecum gastrique des échinides détritivores: étude particulière d'Echinocardium cordatum, Echinoidea: Spatangoida." Doctoral thesis, Universite Libre de Bruxelles, 2012. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209654.
Full textLes résultats indiquent que le caecum gastrique d’E. cordatum contient de l’eau de mer. L’entrée d’eau de mer dans le caecum a été visualisée en la colorant et des caractéristiques communes au liquide caecal et à l’eau de mer environnante ont été observées: une même osmolarité, les mêmes particules détritiques en suspension et les mêmes communautés bactériennes. Le caecum gastrique contient de la matière organique en suspension (détritus, bactéries transitoires); il est également absorbant. Ses capacités d’absorption ont été comparées à celles de l’estomac et de l’intestin grâce à un dispositif expérimental particulier :les chambres de Ussing. Les résultats ont montré que les entérocytes du caecum et de l’intestin participent davantage au transfert de glucose vers la cavité coelomique que ceux de l’estomac.
Un schéma de la circulation de l’eau de mer dans le tube digestif est proposé. L’eau de mer qui circule à la surface du corps de l’oursin et qui provient de la surface des sédiments atteint la cavité buccale, une circulation entretenue par la ciliature des clavules (piquants ciliés). Le péristaltisme de l’œsophage et celui du siphon assurent l’entrée d’eau de mer dans le tube digestif. Une partie de cette eau entre dans le siphon qui l’amène dans l’intestin d’où elle est entraînée à l’extérieur avec le bol alimentaire. L’eau de mer qui n’est pas prélevée par le siphon peut atteindre l’entrée du caecum gastrique. Un système de gouttières a été mis en évidence à l’entrée du caecum. Il s’étend de l’estomac au début du caecum où les gouttières sont flagellées, et acheminerait l’eau de mer dans la lumière caecale. Les différences de pression osmotique entre le liquide caecal et le liquide cœlomique permettraient le transfert d’eau depuis le caecum vers la cavité cœlomique. Une quantité d’eau similaire devrait alors être éliminée de la cavité coelomique. Cette élimination semble se faire dans le caecum intestinal, l’eau serait ensuite éliminée par l’anus.
D’après nos observations, le caecum gastrique pourrait être le site d’une digestion et d’une absorption de la matière organique détritique de l’eau de mer. Si cette hypothèse est exacte, E. cordatum serait alors un détritivore particulièrement ‘complet’, digérant non seulement la fraction détritique des sédiments mais aussi celle en suspension dans l’eau de mer. Ce modèle pourrait correspondre à tous les échinides atélostomes (spatangoïdes & holastéroïdes) qui, outre la présence d’un caecum gastrique bien développé et rempli de liquide, ont en commun d’être fouisseurs, et d’entretenir une circulation d’eau dans leur terrier grâce à des clavules groupés en fascioles.
Spatangoids (burrowed deposit-feeding echinoids) have a large caecum, which opens at the beginning of the stomach, the gastric caecum. It is always swollen, filled with a colorless liquid whose nature is unknown; sediments ingested by sea urchins fill the rest of the digestive tract but never enter in the caecum. The function of the gastric caecum is unclear: it would secrete enzymes in the stomach, would be a site of absorption, and/or would harbor a cellulolytic microflora. By taking as model one of the most studied burrowing echinoids, Echinocardium cordatum, this study attempts to highlight the role of the gastric caecum by examining its contents.
Results indicate that the gastric caecum of E. cordatum contains seawater. Seawater inflow into the caecum was visualized using dye. The caecal liquid and the surrounding seawater were demonstrated to have similar characteristics: the same osmolarity, the same suspended particles and the same bacterial communities. The gastric caecum contains suspended organic matter (detritus, transient bacteria) and is also involved in absorption. Absorption and transfer of glucose were compared between the gastric caecum, the stomach and the intestine, using a particular experimental device: the Ussing chamber. The results showed that the enterocytes of the caecum and of the intestine were more involved in glucose transfer to the coelomic cavity than those of the stomach.
Seawater circulation in the digestive tube is tentatively described. Seawater currents along the body of the sea urchin originate from the sediment surface and reach the mouth; this circulation is generated by ciliae of specialized spines, the clavules. Peristalsis of the esophagus and of the siphon induces seawater to enter the mouth and to move along the digestive tube. Part of this water enters the siphon, being then transported to the intestine, and driven outside via the anus. Seawater that has not been taken by the siphon can reach the opening of the gastric caecum. A system of grooves occurring at the entrance of the caecum extends from the anterior stomach to the proximal part of the caecum where it is flagellated; these grooves could transport seawater in the caecal lumen. Differences in osmotic pressures between the caecal liquid and the coelomic liquid could transfer water from the caecum to the coelomic cavity. A similar uptake of water could then be removed from the coelom through the wall of the intestinal caecum, and water be eliminated from the digestive tube via the anus.
According to our observations, the gastric caecum could be specialized in digestion and absorption of detrital organic matter occurring in seawater. If this hypothesis is correct, E. cordatum would be a deposit-feeder feeding both on the detritus fraction of the sediments and on that of seawater. This model could fit all Atelostomata echinoids (spatangoids & holasteroids) which, besides the presence of a well-developed gastric caecum filled with liquid, have in common the burrowing behaviour, and the maintenance of seawater currents in their burrows owing to the action of clavules grouped into fascioles.
Doctorat en Sciences
info:eu-repo/semantics/nonPublished
Sterzo, Elton Vinicius [UNESP]. "Morfologia dos cecos de pintos de corte submetidos ao tratamento com microbiota cecal antes e após infecção por Salmonella enteritidis." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/104620.
Full textO presente estudo teve por objetivo descrever as alterações morfológicas ocorridas nos cecos de pintos de corte, machos e fêmeas, tratados com Microbiota Cecal (MC) antes e após infecção por Salmonella enterica enterica sorovar Enteritidis (SE) durante a primeira semana de vida. No 1º dia de vida, os pintos foram tratados com MC antes e depois da infecção por SE. Durante todo o período experimental as condições clínicas, assim como a taxa de mortalidade foram observadas. No 1º, 3º, 5º e 7º dias pós infecção (dpi) quatro aves de cada sexo/tratamentos foram sacrificadas por meio de deslocamento cervical para obtenção de amostras do ceco para análises morfológicas (histologia e microscopia eletrônica de varredura), morfométricas e contagem do número de células inflamatórias e células caliciformes PAS+ e AB+. Os dados mostraram alguns episódios de diarréia e quadros de depressão nos pintos infectados com SE no 5º e 7º dpi; nesse período não foi observada mortalidade. No tocante às análise morfológicas, os pintos infectados por SE respondem ao processo infeccioso com um processo inflamatório agudo no 1º dpi, e a partir do 3º dpi, o processo se cronifica. A Microbiota Cecal (MC) antes da infecção, evita as alterações morfofuncionais causadas pela bactéria nos cecos dos pintos de corte, além disso, a MC induz a proliferação de células caliciformes PAS+ e AB+ e, conseqüentemente aumenta a produção de muco, sendo um fator de proteção ao epitélio cecal
This study aimed to describe the morphological changes occurred in the caecu, of males and females broiler chickens treated with Cecal Microbiote (CM) before and after the infection with Salmonella enterica enterica serovar Enteritidis (SE) during the first week of life. On the first day of life, chickens were treated with CM before and after the infection with SE. Throughout the experimental period, the clinical conditions as much as the mortality rates were observed. On 1st, 3rd, 5th and 7th days post infection (dpi), four birds of each sex/treatment were slaughtered by cervical dislocation in order to obtain samples from the caecum for morphological analysis (histology and scanning electron microscopy), morphometrical analysis and counting of the number of inflammatory and goblet cells PAS+ and AB+. The data showed some diarrhea episodes and depression symptoms in the chickens infected with SE on 5th and 7th dpi; in this period it was not observed any mortality. Concerning the morphological analysis, the chicks infected with SE respond to infectious process with and acute inflammatory process on 1st dpi and after the 3rd dpi the process gets chronicle. The Cecal Microbiote (CM) prior to infection avoid the morphological and functional alterations caused by the bacteria in broiler chickens caecum, in addition, the CM induces the proliferation of goblet cells PAS+ and AB+ and consequently increases mucus production being a protection factor to the caecum epithelium
Adjiri, Djamila. "Essai de simulation des fermentations caecale du lapin en fermenteur à flux semi-continu." Toulouse, INPT, 1992. http://www.theses.fr/1992INPT004A.
Full textPadilha, Sangoi Marilia Terezinha. "Étude des relations entre la microflore et l'activité fermentaire caecale chez le lapereau, pendant la période périsevrage." Tours, 1995. http://www.theses.fr/1995TOUR4019.
Full textWatson, Charles B. "M. Tulli Ciceronis Divinatio in Caecilium : introduction and commentary §§1-33." Thesis, University of Oxford, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.606710.
Full textSterzo, Elton Vinicius. "Morfologia dos cecos de pintos de corte submetidos ao tratamento com microbiota cecal antes e após infecção por Salmonella enteritidis /." Jaboticabal : [s.n.], 2011. http://hdl.handle.net/11449/104620.
Full textBanca: Adriano Sakai Okamoto
Banca: Ana Maria Iba Kanashiro
Banca: Antonio Carlos Alessi
Banca: Maria Rita Pacheco
Resumo: O presente estudo teve por objetivo descrever as alterações morfológicas ocorridas nos cecos de pintos de corte, machos e fêmeas, tratados com Microbiota Cecal (MC) antes e após infecção por Salmonella enterica enterica sorovar Enteritidis (SE) durante a primeira semana de vida. No 1º dia de vida, os pintos foram tratados com MC antes e depois da infecção por SE. Durante todo o período experimental as condições clínicas, assim como a taxa de mortalidade foram observadas. No 1º, 3º, 5º e 7º dias pós infecção (dpi) quatro aves de cada sexo/tratamentos foram sacrificadas por meio de deslocamento cervical para obtenção de amostras do ceco para análises morfológicas (histologia e microscopia eletrônica de varredura), morfométricas e contagem do número de células inflamatórias e células caliciformes PAS+ e AB+. Os dados mostraram alguns episódios de diarréia e quadros de depressão nos pintos infectados com SE no 5º e 7º dpi; nesse período não foi observada mortalidade. No tocante às análise morfológicas, os pintos infectados por SE respondem ao processo infeccioso com um processo inflamatório agudo no 1º dpi, e a partir do 3º dpi, o processo se cronifica. A Microbiota Cecal (MC) antes da infecção, evita as alterações morfofuncionais causadas pela bactéria nos cecos dos pintos de corte, além disso, a MC induz a proliferação de células caliciformes PAS+ e AB+ e, conseqüentemente aumenta a produção de muco, sendo um fator de proteção ao epitélio cecal
Abstract: This study aimed to describe the morphological changes occurred in the caecu, of males and females broiler chickens treated with Cecal Microbiote (CM) before and after the infection with Salmonella enterica enterica serovar Enteritidis (SE) during the first week of life. On the first day of life, chickens were treated with CM before and after the infection with SE. Throughout the experimental period, the clinical conditions as much as the mortality rates were observed. On 1st, 3rd, 5th and 7th days post infection (dpi), four birds of each sex/treatment were slaughtered by cervical dislocation in order to obtain samples from the caecum for morphological analysis (histology and scanning electron microscopy), morphometrical analysis and counting of the number of inflammatory and goblet cells PAS+ and AB+. The data showed some diarrhea episodes and depression symptoms in the chickens infected with SE on 5th and 7th dpi; in this period it was not observed any mortality. Concerning the morphological analysis, the chicks infected with SE respond to infectious process with and acute inflammatory process on 1st dpi and after the 3rd dpi the process gets chronicle. The Cecal Microbiote (CM) prior to infection avoid the morphological and functional alterations caused by the bacteria in broiler chickens caecum, in addition, the CM induces the proliferation of goblet cells PAS+ and AB+ and consequently increases mucus production being a protection factor to the caecum epithelium
Doutor
Simmons, H. A. "The measurement of propionate production in the caecum and colon of the pony and its conversion to glucose." Thesis, University of Liverpool, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.372704.
Full textBrugère, Hubert. "Motricité du côlon et transit après ablation des ganglions prévertébraux mésentériques chez le chien." Toulouse, INPT, 1993. http://www.theses.fr/1993INPT009A.
Full textFotheringham, Lynn S. "Repetition and unity in four of Cicero's judicial speeches." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312100.
Full textSeyfert, Carlos Eduardo. "Densidade e área do perfil celular dos neurônios mioentéricos reativos a acetilcolinesterase, NADH e NADPH-diaforase positivos do ceco de ratos (Rattus norvergicus) adultos." Universidade de São Paulo, 2003. http://www.teses.usp.br/teses/disponiveis/10/10132/tde-06082007-170901/.
Full textBeginning in the terminal ileum where the ileal papilla opens, the caecum is the initial portion of the large intestine, where part of the digestion of the cellulose coming from the food and the absorption of its products take place. This study had the purpose of evaluating the density and the cell profile area of the myoenteric neurons in different regions of the caecum of adult rats aging seven months (384 g body weight), using the techniques of acetylcholinesterase (AChE), NADH- and NADPH-diaphorase. For that, the caecum was divided into four regions: next to the caecal ampulla (PA), apical mesenteric (AM), basal antimesenteric (BA) and apical antimesenteric (AA). It was observed that, in what concerns the neuronal density, there is a significant difference for the regions studied, the PA region exhibiting the greatest amount of neurons with all the techniques employed. On average, in the 80 microscopic fields (17.92 m2) counted, 1,479 ± 357 neurons were found with AChE, 717 ± 142 with NADH-d and 240 ± 26 with NADPH-d. As for the cell profile of the neurons, the Variance Analysis showed that there is not a significant difference among the regions. The smallest and the largest cellular profiles were observed at the BA region with the techniques of AChE and NADPH-d, respectively, the smallest having 77.94 µm2 and the largest 1,579.64 µm2. According to the area of the cell profile, the neurons were grouped in three classes: small, medium and large. The most frequent class in all the regions studied and techniques employed was that of medium neurons, reaching 72.4% with AChE at the AA region, 68% in the PA region with NADH-d and 77.6% with NADPH-d in the PA region. Therefore, it was verified that there is a regional difference in the distribution of the neurons in the wall of the rat caecum.
Lester-Coll, Andres S. "Caecidae (Mollusca: Gastropoda) in Broward County, Florida." NSUWorks, 2017. http://nsuworks.nova.edu/occ_stuetd/436.
Full textVieco, Saiz Nuria. "Potentiel probiotique et activités anti-Clostridium perfringens établies in vitro et in vivo pour des souches du genre Lactobacillus nouvellement isolées du caecum de poulets." Thesis, Lille, 2019. http://www.theses.fr/2019LIL1R005.
Full textHere, we propose the use as probiotic novel lactic acid bacteria (LAB), mainly lactobacilli for their anti-Clostridium perfringens properties. This Gram-positive, spore-forming and harmful bacterium is responsible for necrotic enteritis in broilers. This infection is characterized by severe intestinal lesions, bird weight loss and ultimately bird death. The use of antibiotics to prevent necrotic enteritis or just as growth promotors has been banned in Europe since 2006 based on the EU regulation 1831/2003/CE. Antibiotics replacement in the animal production is expected to drive fruitful and intensive projects. In this frame, we have successfully isolated novel lactobacilli strains endowed with anti-C. perfringens activity and additional probiotic features. LAB are recognized as GRAS/QPS organisms and can offer advantages for industrial applications. In this study, LAB strains were isolated from healthy chicken caeca. These LABs, mainly those belonging to Lactobacillus reuteri and Lb. salivarius species have revealed highly capabilities to inhibit in vitro C. perfringens through lactic acid production. Besides lactic acid production, these novel strains were able to form biofilms and display high aggregation and adhesion scores. These non-hemolytic strains were also studied for their resistance to simulated gastro-intestinal conditions. Technological properties as resistance to freeze-drying process, conservation and viability were determined and allowed to shape and predict scale production of these novel LAB strains. Genomes of Lactobacilli with relevant fulfilling antagonistic activities and probiotic grade were sequenced and analyzed. To conclude this study, in vivo assays were successfully tested in challenged birds. Interestingly and remarkably, these strains allowed birds to gain weight and avoid lesions caused ascribed to C. perfringens
YOUNES, HASSAN. "Influence des glucides fermentescibles sur l'elimination du cholesterol et de l'azote, et sur l'absorption des cations bivalents (calcium, magnesium) dans le caecum chez le rat." Clermont-Ferrand 2, 1996. http://www.theses.fr/1996CLF21862.
Full textDebray, Laurence. "Nutrition du lapereau en période de sevrage : interaction avec les besoins nutritionnels de la femelle." Toulouse, INPT, 2002. http://www.theses.fr/2002INPT005A.
Full textFerreira, Francisco Pupo Pires [UNESP]. "Fistulização temporária do ceco em equinos: estudo experimental da técnica cirúrgica e da viabilidade desta via para a administração de fluído enteral." Universidade Estadual Paulista (UNESP), 2006. http://hdl.handle.net/11449/89096.
Full textConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Na prática cotidiana da medicina eqüina, são freqüentes as situações onde é necessária a reposição e ou manutenção do equilíbrio hidroeletrolítico com fluídos e eletrólitos, principalmente em afecções do trato digestório. O presente estudo teve como objetivo avaliar a técnica cirúrgica de fistulização temporária do ceco com a implantação de uma sonda nesta víscera e a utilização desta via para a administração de fluido enteral. Foram utilizados 6 eqüinos adultos entre 350 e 435 kg, machos e fêmeas, que foram submetidos a dois períodos de jejum - hídrico e alimentar - um período sem hidratação e outro período com a hidratação enteral por via intracecal. A solução hidratante foi constituída de 5,7 g de Cloreto de Sódio, 3,78 g de Bicarbonato de Sódio, e 0,37 g de Cloreto de Potássio por litro de água administrado seis vezes ao dia, na base de 50 ml/kg de peso. Ao final do experimento pudemos constatar que a técnica cirúrgica de implantação da sonda é viável e de baixo custo, podendo ser considerada uma opção viável de terapia hídrica, eletrolítica e de nutrição enteral em eqüinos, nas situações em que as vias tradicionais - intravenosa e nasogástrica - se apresentam indisponíveis ou a terapia tradicional se mostra economicamente inviável.
In daily equine medical practice is often necessary to re-establish or maintain hemodynamic balance with fluids and electrolytes, mainly due to digestive tract diseases. The objective of this study is to evaluate therapeutic caecal fistulization surgery, with a catheter placement and the main trans and post-operative complications. Six adult horses of both sexes, weighting between 350 and 435kg were used; they were submitted to two periods of total fast - hydric and nutritional - one period without hydration and the other with enteral hydration by intracaecal route. The hydrating solution consisted of 5.7g sodium chloride, 3.78g sodium bicarbonate, and 0.37g potassium chloride per litre of water. We could observe the horse's capacity to tolerate long periods without food and water, and that surgical catheter implant is a viable and low cost option for hydration and electrolyte therapy, and enteral nutrition in horses where traditional routes - intravenous and nasogastric - are not available or traditional therapy is not economically viable.
Schulze-Buxloh, Peter Christian [Verfasser], and Inge [Gutachter] Bauer. "Expression ausgewählter Marker in Caecum, Leber und Lunge während einer experimentell induzierten Colon ascendens Stent-Peritonitis und deren Beeinflussung durch akute Hyperkapnie / Peter Christian Schulze-Buxloh ; Gutachter: Inge Bauer." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2018. http://d-nb.info/1164763148/34.
Full textFerreira, Francisco Pupo Pires. "Fistulização temporária do ceco em equinos : estudo experimental da técnica cirúrgica e da viabilidade desta via para a administração de fluído enteral /." Botucatu : [s.n.], 2006. http://hdl.handle.net/11449/89096.
Full textBanca: José Luiz de Mello Nicoletti
Banca: Armen Thomassian
Banca: Roberto Pimenta de P. Foz Filho
Resumo: Na prática cotidiana da medicina eqüina, são freqüentes as situações onde é necessária a reposição e ou manutenção do equilíbrio hidroeletrolítico com fluídos e eletrólitos, principalmente em afecções do trato digestório. O presente estudo teve como objetivo avaliar a técnica cirúrgica de fistulização temporária do ceco com a implantação de uma sonda nesta víscera e a utilização desta via para a administração de fluido enteral. Foram utilizados 6 eqüinos adultos entre 350 e 435 kg, machos e fêmeas, que foram submetidos a dois períodos de jejum - hídrico e alimentar - um período sem hidratação e outro período com a hidratação enteral por via intracecal. A solução hidratante foi constituída de 5,7 g de Cloreto de Sódio, 3,78 g de Bicarbonato de Sódio, e 0,37 g de Cloreto de Potássio por litro de água administrado seis vezes ao dia, na base de 50 ml/kg de peso. Ao final do experimento pudemos constatar que a técnica cirúrgica de implantação da sonda é viável e de baixo custo, podendo ser considerada uma opção viável de terapia hídrica, eletrolítica e de nutrição enteral em eqüinos, nas situações em que as vias tradicionais - intravenosa e nasogástrica - se apresentam indisponíveis ou a terapia tradicional se mostra economicamente inviável.
Abstract: In daily equine medical practice is often necessary to re-establish or maintain hemodynamic balance with fluids and electrolytes, mainly due to digestive tract diseases. The objective of this study is to evaluate therapeutic caecal fistulization surgery, with a catheter placement and the main trans and post-operative complications. Six adult horses of both sexes, weighting between 350 and 435kg were used; they were submitted to two periods of total fast - hydric and nutritional - one period without hydration and the other with enteral hydration by intracaecal route. The hydrating solution consisted of 5.7g sodium chloride, 3.78g sodium bicarbonate, and 0.37g potassium chloride per litre of water. We could observe the horse's capacity to tolerate long periods without food and water, and that surgical catheter implant is a viable and low cost option for hydration and electrolyte therapy, and enteral nutrition in horses where traditional routes - intravenous and nasogastric - are not available or traditional therapy is not economically viable.
Mestre
Ajam, Marwan. "Evaluation de l'énergie métabolisable et de la digestibilité de l'azote chez le Coq comparaison des bilans avec ou sans marqueur, influence de la présence des caecums /." Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb37602161b.
Full textStadler, Thiago David. "O poder das palavras na idealização de um Princeps Epistolário Cruzado entre Plínio, o jovem e Trajano (98-113 D.C.)." reponame:Repositório Institucional da UFPR, 2010. http://hdl.handle.net/1884/23498.
Full textOndráček, Radim. "Punctum caecum." Master's thesis, 2006. http://www.nusl.cz/ntk/nusl-268438.
Full textPrado, Simone S. "Biological and molecular characterization of caecum-associated symbionts in the Pentatomidae." Thesis, 2008. http://hdl.handle.net/10125/20599.
Full textThe Pentatomidae is one of the largest families within the suborder Heteroptera (order Hemiptera), with over 4000 described species within eight subfamilies. Stink bugs are major pests of economically important crops worldwide including soybeans, rice, pecan, cocoa and macadamia nuts. Relationships between microorganisms and insects have been previously studied, but the majority of these associations remain poorly understood. In this dissertation I present molecular data showing that Nezara viridula, Acrosternum hilare Murgantia histrionica, Euschistus heros, Chlorochroa ligata, C. sayi, C. uhleri, Plautia stali and Thyanta pallidovirens harbor a common dominant caecum-associated bacterial symbiont in their midgut. I also show that oral rather than transovarial transmission occurs by detecting the symbiont on eggshells after nymphs had hatched, instead of detecting symbionts in female ovarioles. Additionally, I demonstrated that these symbionts are polyphyletic suggesting that replacement of the symbiont may occur over time. Phylogenetic placement showed the pentatomid symbionts were associated with the plant pathogens Erwinia and Pantoea. Using a demographic approach I analyzed the effect of egg masses surface sterilization and temperature on the symbiont maintenance and on insect development of the pentatomids N. viridula, A. hilare and M. histrionica. Here I demonstrate that maintenance of the symbiont was affected by high temperature and egg mass surface sterilization for the species N. viridula, A. hilare and M. histrionica. N. viridula's reproduction parameters were not significantly different between the surface sterilized and control treatments at three temperatures, however no reproduction was observed at 20°C of the surface sterilized treatment. Survivorship and reproductive parameters for A. hilare were negatively affected by surface sterilization of egg masses and for higher temperatures. Conversely, no effect was observed for M. histrionica. Curiously, M. histrionica had lower rates of positive insects for the symbiont at 25°C than A. hilare. Here I suggest that the degree of mutualism of this association for pentatomid species is variable, given the fact that A. hilare requires its symbiont for adequate development, while M. histrionica's symbiont may not be significant in development of the host insect and N. viridula is not affected by deprivation of its gut-associated symbiont.
Includes bibliographical references (leaves 133-136).
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Santos, Ana Sofia Gonçalves. "The equine caecum-colon environment: influence of energy and nitrogen on microbial yield." Doctoral thesis, 2014. http://hdl.handle.net/10348/3277.
Full textA população microbiana do ceco-colon do cavalo tem sido bastante estudada em termos de tipos de populações e estirpes bacterianas. No entanto, pouco se sabe sobre a actividade fermentativa no ecossistema ceco-cólico do cavalo, nomeadamente sobre o seu metabolismo e necessidades nutricionais. A localização pós-gástrica do local de actividade fermentativa implica que a disponibilidade de substrato seja condicionada pela digestibilidade pré-cecal da dieta. Assim sendo, será de esperar que o substrato que chega ao ceco-colon seja deficiente em azoto, o que poderá limitar o crescimento microbiano. Desta forma, este trabalho foi desenvolvido com o objectivo de aprofundar o conhecimento relacionado com o ecossistema ceco-cólico, nomeadamente estudar as necessidades azotadas desta população microbiana. Adicionalmente, a caracterização em perfil de purinas (PB) e ácidos gordos ímpares e ramificados (OBCFA) foi efectuada em biomassa microbiana recolhida de conteúdos do ceco e do cólon de cavalos. Este trabalho foi dividido em três partes: a primeira teve como objectivo reunir informação sobre o sistema digestivo do cavalo e estratégias nutricionais, com particular ênfase no ceco-colon, nomeadamente sua população microbiana, parâmetros fermentativos e metabolismo da fermentação; a segunda parte deste trabalho isolou e caracterizou bactérias do ceco e do cólon de cavalos em termos de PB e OBCFA, analisando a utilização destas substâncias como marcadores microbianos em estudos subsequentes; a terceira parte deste trabalho teve como objectivos estudar as respostas fermentativas in vitro de conteúdos cecais mediante a alteração da disponibilidade de energia e de azoto (proteico ou não proteico). A informação recolhida no Capítulo 2 fornece uma perspectiva geral do sistema digestivo do cavalo, com especial ênfase ao ecossistema ceco-cólico, especulando sobre a possibilidade da população microbiana estar adaptada a um ambiente onde a falta de azoto limita o crescimento microbiano, sem prejudicar a fermentação. A caracterização dos conteúdos do ceco e cólon obtida no Capitulo 3 indicou diferenças acentuadas entre a população bacteriana nestes conteúdos e a população bacteriana do rúmen. Estes resultados foram de encontro às ideias levantadas no Capitulo 2, indicando populações microbianas adaptadas ao ambiente ceco-cólico. Os resultados obtidos permitiram também a utilização das PB como marcadores microbianos nos trabalhos seguintes. No Capitulo 4, mediante a disponibilidade de energia e quantidades crescentes de azoto (caseína e ureia), foram observados crescimentos microbianos e perfis fermentativos diferentes. Os resultados obtidos revelaram uma eficiência de crescimento da população microbiana superior nos níveis inferiores de azoto, indicando uma possível adaptação da população microbiana a níveis baixo de azoto. A resposta microbiana em situações onde a energia ou azoto (caseína ou ureia) eram limitantes no meio de cultura, ou em situações onde nem a energia nem o azoto (caseína ou ureia) limitavam o crescimento e actividade microbiana, foi estudada no Capitulo 5. Os resultados obtidos indicaram que a maximização da actividade fermentativa parece ser obtida quando ureia, juntamente com hidratos de carbono solúveis, são fornecidos à população microbiana. Os resultados obtidos em situações em que a energia (na forma de hidratos de carbono solúveis) estava disponível em excesso e sem fonte azotada revelaram-se surpreendentes, uma vez que a resposta microbiana não foi no sentido claro de iniciar mecanismos de "energy spilling" como seria de esperar. Estes resultados necessitam de ser aprofundados. Os resultados obtidos neste trabalho permitem-nos afirmar que, embora a população microbiana do ceco do cavalo responda à adição de azoto (caseína e ureia) com um aumento da actividade fermentativa, esta resposta é superior em termos de eficiência de crescimento quando o azoto é não proteico (ureia). Estes resultados indicam que, nas nossas condições de estudo, a população microbiana do ceco utiliza maioritariamente azoto não proteico para o seu crescimento e actividade.
Although the characterization of the microbial populations in the equine hindgut has been often studied, very little is known on hindgut ecosystem activity in the horse and information concerning the metabolism of this microbial population and its nutritional requirements is lacking. If we consider the type of substrate that in normal conditions arrives to the hindgut, we can expect it to provide limited nitrogen based substrates for microbial fermentation. In this way, this work was conducted to provide additional information regarding the nitrogen requirements of the equine caecal microbial population. In addition, caecal and colon contents of horses where characterized in terms of purine bases (PB) and odd- and branched chain fatty acid (OBCFA) profile. This work was divided into three parts: the first part meant to gather existing information on the equine digestive tract and nutritional strategies, with a specific focus on the hindgut environment and its functioning, microbial population, energy and protein metabolism. The second part consisted in the characterization of equine hindgut contents in PB and OBCFA, and assessing their potential use as microbial markers in equine metabolism studies in order to use these techniques in future studies. Finally, in the third part we studied in vitro fermentation responses of equine caecal contents to different nitrogen and energy availability. Information compiled in Chapter 2 provides a general overview of the equine digestive tract, with an emphasis on the hindgut role and importance to the nutrition of the horse, speculating on the possible adaptation of the hindgut microbial population to an environment where nitrogen is limiting microbial growth. Characterization of caecum and colon contents obtained in Chapter 3 indicated that the bacterial populations isolated from these contents were different in the PB and OBCFA profile when compared to rumen PB and OBCFA profile. Differences obtained may reflect different growth stages or nutrition of microbial population as well as different metabolic activities of these microbial populations. Results obtained also indicated that PB can be use as microbial markers in subsequent studies, namely in Chapters 4 and 5, and that OBCFA profile might be used in non invasive techniques such as faecal characterization. In Chapter 4, different microbial yields and fermentation profiles were observed when caecal contents were provided with energy and increasing amounts of either casein or urea as nitrogen sources. Results obtained showed higher microbial growth efficiencies at lower nitrogen levels, possibly indicating that the microbial population is adapted to an environment where nitrogen availability is low. The metabolic response of the caecal microbial population in situations with or without nutrient limitation (energy or nitrogen) to microbial activity was assessed in Chapter 5. Results indicate that maximization of the fermentative activity appears to be achieved when urea, together with soluble carbohydrates, are provided to equine caecal inoculums. Results observed when energy was available in excess and no nitrogen source was provided where unexpected, since there was no clear indication that this treatment lead to an energy spilling situation. This observation needs further studies to be clarified. The data obtained in this work suggest that hindgut microbial population will respond to nitrogen (casein and urea) with an increase in VFA production. However, microbial growth efficiency will be higher with urea. This indicates that, under our study conditions, the caecal microbial population mainly used non protein nitrogen for growth.
Schambourg, Morgane. "Développement d'une technique laparoscopique de biopsie intestinale chez le cheval debout." Thèse, 2006. http://hdl.handle.net/1866/7197.
Full textCoetzee, Petrus Johannes. "Genera Dicendi en Officia Oratoris by Cicero met besondere verwysing na sy Pro Caecina." Thesis, 2015. http://hdl.handle.net/10210/14384.
Full textKuhn, Manuela [Verfasser]. "In-vitro-Untersuchungen zum Einfluss von Erythromycin und Nahrungsreduktion auf mikrobielle Stoffwechselleistungen im Caecum des Pferdes / vorgelegt von Manuela Kuhn." 2009. http://d-nb.info/996036067/34.
Full textPontes, João Rodolfo da Silva. "A toxicidade de produtos químicos em espécies de calêmbolos. Será que a forma de vida influencia." Master's thesis, 2017. http://hdl.handle.net/10400.26/18080.
Full textKaboré, Kiswendsida Paul. "Étude de prévalence et associations des gènes de virulence et résistance aux antimicrobiens d’Escherichia coli de la flore intestinale du poulet sain." Thèse, 2011. http://hdl.handle.net/1866/6277.
Full textAvian Pathogenic E. coli (APEC) belong to the extra-intestinal pathogenic E. coli (ExPEC) pathotype, and may be a virulence and antimicrobial resistance (AMR) gene reservoir for ExPEC in humans. The aim of this study was to evaluate the effect of addition to the feed of a prebiotic or an organic acid on the prevalence of ExPEC-associated virulence genes and antimicrobial resistance (AMR) genes and the association between these genes in E. coli of the intestinal microflora of healthy chickens. Caecal contents from 29-day-old chickens having received one of these feed ingredients in comparison to a control group were examined for the presence of virulence genes iucD, tsh, and papC and AMR genes blaTEM, blaSHV, tetA, tetC, blaCMY-2, aadA1, and aac3 by PCR. The prevalence of iucD was significantly higher in the control group than in the prebiotic and organic acid groups and prevalence of papC was affected by the use of the organic acid. The prevalence of blaCMY-2-positive E. coli isolates was higher in the control group than the prebiotic or organic acid groups, as demonstrated by Hydrophobic–grid membrane filter (HGMF) DNA probe colony hybridization. In addition, the prevalence of E. coli isolates positive for tetA, blaTEM, aadA1 or tsh was affected by the use of these feed ingredients. Overall, associations between the presence of iucD and tsh, blaTEM and aadA1, and iucD and blaCMY-2 were observed. This study demonstrates that the use of certain feed ingredients could reduce the risk of exposure in a public health perspective.