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See detailEtude des conditions nécessaires et accessoires à l'optimalisation de l'interraction justice /aide sociale
Schoenaers, Frédéric ULg; Delvaux, David ULg; De Ruyver, Brice et al

Book published by Académia Press (2009)

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See detailEtude des contaminations alimentaires des produits de transformation du mil (farine et couscous) au niveau des marchés de Dakar.
Totte, A.; Mbacke Fall, S.; Bikos, A. et al

in Actes de l'Atelier International : "Les petites industries agro-alimentaire pour une nutrition saine en afrique de l'Ouest". (1999, November)

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See detailÉtude des contraintes mécaniques locomotrices chez le cheval
Noble, Prisca ULg; Collin, Bernard ULg; Denoix, Jean-Marie et al

in Annales de Médecine Vétérinaire (in press)

In locomotor biomechanics, three high groups of contraints are commonly encountared : pressure, traction and torsion. In supra-maximal conditions, all of these contraints would be responsible of some ... [more ▼]

In locomotor biomechanics, three high groups of contraints are commonly encountared : pressure, traction and torsion. In supra-maximal conditions, all of these contraints would be responsible of some equine diseased locomotor systems. In order to understand better the contraints in the equine locomotor dynamics, some investigations have been carried out. Moreover, some measurement methods, based on the mechanics of Newton, have been performed. This review shows the different measurement techniques and introduces the mechanical basis that are compulsory for the understanding of the equine locomotor apparatus functioning. [less ▲]

Detailed reference viewed: 134 (20 ULg)
See detailEtude des courants de moyenne fréquence. Son intérêt dans la musculation du quadriceps
Crielaard, Jean-Michel ULg; Namurois, Guy; Vanderthommen, Marc ULg et al

in Pelissier, J.; Roques, C.F. (Eds.) Muscle et rééducation (1988)

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See detailEtude des courants de moyenne fréquence. Son intérêt dans la musculation du quadriceps
Crielaard, Jean-Michel ULg; Namurois, Guy; Vanderthommen, Marc ULg et al

in Revalidation motrice (1988), 2

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See detailEtude des critères d'implantation du terrier chez le renard roux (Vulpes vulpes) au Pays de Liège
Paquot, Anne; Libois, Roland ULg

in Cahiers d'Ethologie (1986), 6(1), 7-26

In the course of the spring 1984, the authors visited about 200 fox dens in the southern and eastern parts of the Province de Liège (eastern Belgium). Each den site was described. Then a multivariate ... [more ▼]

In the course of the spring 1984, the authors visited about 200 fox dens in the southern and eastern parts of the Province de Liège (eastern Belgium). Each den site was described. Then a multivariate analysis (reciprocal averaging) was performed to identify, when possible, the parameter(s) influencing the fox habitat choice. Fox dens generally are built in forested habitats with no or only a poor scrub layer and are southernly or westernly oriented. For what concerns the other habitat parameters, the fox appears to be very opportunistic. For example, in the vicinity of roads or human dwellings, his den will be established under a dense vegetation cover whereas in the middle of forested areas it has to be found in open wood or near clearcuts. In our study area, fox dens with more than 5 main entrances are not common. Frequently they are not occupied for more than one reproduction season. Cohabitation with badger was noted in 15 cases (59 fox occupied dens) and with rabbit in 4 cases only. [less ▲]

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See detailÉtude des Culicoides Latreille (Diptera: Ceratopogonidae) vecteurs d'agents pathogènes: état des lieux des espèces belges, de leurs micro-habitats larvaires et de leurs préférences trophiques
Zimmer, Jean-Yves ULg

Doctoral thesis (2014)

Biting midges of the genus Culicoides (Diptera: Ceratopogonidae) are the biological vectors of many recently described pathogens in Northern Europe, including the Bluetongue and Schmallenberg viruses ... [more ▼]

Biting midges of the genus Culicoides (Diptera: Ceratopogonidae) are the biological vectors of many recently described pathogens in Northern Europe, including the Bluetongue and Schmallenberg viruses. These arboviral diseases have led to considerable economic loss in sheep and cattle livestock. However, many uncertainties remain regarding the distribution, biology, and ecology of these vectors. This research project had three main objectives. The first objective was to conduct an inventory of the different Culicoides species on different Belgian farms and on wetlands, using light traps. Many more Culicoides were caught in the vicinity of buildings than in meadows; this finding seemed to be influenced by the density of hosts near the trap and the opening of buildings. The Obsoletus complex was predominant inside buildings and in the meadows of farms; however, the meadows exhibited greater species diversity. The oligotrophic species C. impunctatus, a potential vector of several pathogens, was particularly abundant in peat bogs. The traps that were used herein enabled the identification of three species that have not previously been reported in Belgium, bringing the total number of Belgian species to 52. The second objective was to identify and characterize larval microhabitats of the main Belgian species of Culicoides, and to study the distribution of coprophilous species (C. chiopterus and C. dewulfi) in meadows. Ten Belgian cattle farms were monitored for two consecutive years, and sixteen substrates conducive to the larval development of these biting midges were identified. The most significant finding was that different types of silage residues (e.g., corn, grass, beet pulp, and their combinations) were favourable to the larvae of the two species that compose the Obsoletus complex. A larval microhabitat that is appropriate to these two species was also identified, for the first time, directly inside a barn: specifically, within the dried dung stuck to the barn walls and resulting from the partial removal of used litter. Therefore, Culicoides could complete their life cycle in the vicinity of the stables, which might explain the persistence of the virus from one year to the next despite harsh winters. Influences of the carbon-to-nitrogen ratio, lignin, insoluble fibre, magnesium, and calcium on the presence of larvae were also examined. The third objective was to study the feeding preferences of the species C. obsoletus. This species is prevalent on Belgian farms and has considerable medical and veterinary relevance. Behavioural analyses were performed under field and laboratory conditions, respectively through a flight tunnel containing potential hosts (human, calf, sheep and chicken) and a two-choice olfactometer containing volatile extracts of host skin. The field experiment revealed the preference of C. obsoletus females for large hosts, probably caused by greater emission of carbon dioxide. In contrast, these midges were more attracted to volatile organic compounds released from the skin surface of chicken and sheep during the laboratory experiment. This study contributed to improve the fundamental knowledge of Palaearctic species of the genus Culicoides, and highlighted promising avenues to control these biting midges. Knowledge of the breeding sites of Culicoides could thus allow substrates to be monitored and control or hygiene measures to be implemented, while preventing new sites from being created. A better understanding of the vector-host interactions may aid in developing new strategies to control adult midges, while improving understanding of the pathogen transmission cycle and the epidemiology of associated diseases. [less ▲]

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See detailEtude des disparités de la chirurgie élective en Belgique
Jacques, Jessica ULg; Gillain, Daniel ULg; Fecher-Bourgeois, Fabienne ULg et al

Report (2006)

La chirurgie élective recouvre les interventions qui peuvent normalement être programmées calmement sans danger immédiat pour la santé du patient. Naïvement, on pourrait s’attendre à ce que cette ... [more ▼]

La chirurgie élective recouvre les interventions qui peuvent normalement être programmées calmement sans danger immédiat pour la santé du patient. Naïvement, on pourrait s’attendre à ce que cette caractéristique contribue à des décisions d’intervention mûrement réfléchies et donc à peu de disparités entre les pratiques. Et pourtant on découvre dans la littérature internationale que le lieu de résidence du patient influence nettement la probabilité de subir certaines interventions. Ces différences sont-elles aussi observées en Belgique ? Quelle intervention, de la cataracte, du syndrome du canal carpien ou de la sténose carotidienne, présente la plus grande variabilité ? Où fait-on le plus d’arthroscopies en Belgique ? La prothèse totale de hanche et la prothèse totale de genou sont-elles liées géographiquement ? Et qu’en est-il de la césarienne, dont on a encore récemment beaucoup entendu parler dans l’actualité, pour la proportion inquiétante de césariennes dans certains hôpitaux ? Illustrer simplement les différences de pratique ne suffit pas. Classiquement, il s’agit ensuite d’essayer d’éliminer l’effet de plusieurs variables qui pourraient objectivement expliquer les différences observées, comme des comorbidités, des variables socioéconomiques, des facteurs d’offre médicale, … Mais les disparités de pratique subsistent en Belgique même après avoir éliminé l’effet de ces variables. Ceci avait déjà été mis en évidence dans des études précédentes. On débouche alors inévitablement sur un questionnement à propos de l’opportunité des soins. Cette recherche démontre que pour certaines interventions, il est possible de mettre en évidence une association entre « trop de soins donnés » et des « soins médicalement inopportuns ». Mais ce n’est pas toujours le cas, le questionnement reste alors entier et l’instauration de mesures qui viseraient à diminuer des différences non justifiées reste à l’ordre du jour. Une collaboration de fond avec les acteurs de terrain pour chaque domaine spécifique est un « must », comme le prouve cette étude. En outre, cette étude a montré une fois de plus que la Belgique est riche en bases de données qui ne demandent qu’à être exploitées, pas seulement par le KCE mais aussi par tous les autres acteurs qui cherchent à utiliser le plus efficacement possible les moyens disponibles pour offrir à tous les patients les meilleurs soins. [less ▲]

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See detailEtude des effets de la compression sur le métabolisme des ostéoblastes sous-chondraux humains
Sanchez, Christelle ULg; Mathy, Marianne ULg; Gabay, Odile et al

in Revue du Rhumatisme (2008), 75(10-11), 1021

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See detailEtude des effets de la compression sur le métabolisme des osteoblasts: un nouveau modèle 3D de compression in vitro
Sanchez, Christelle ULg; Gabay, Odile; Salvat, Colette et al

in Revue du Rhumatisme (2007), 74(10-11), 1068

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See detailEtude des émission UV de Mars et Vénus
Stiepen, Arnaud ULg

Conference (2012, May 25)

Detailed reference viewed: 12 (2 ULg)