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See detailAspects zootechniques et économiques de l’utilisation des feuilles de Vitellaria paradoxa et de tourteau de coton en supplémentation sur la production laitière de la vache Borgou en saison hivernale
Chabi Toko, Roukayath ULg

Master's dissertation (2005)

Experiment was carried out to investigate the effects of cottonseed meal (CSM) and Vitellaria paradoxa leaves in rainy season supplementation on milk yield, composition of the milk, live weight changes ... [more ▼]

Experiment was carried out to investigate the effects of cottonseed meal (CSM) and Vitellaria paradoxa leaves in rainy season supplementation on milk yield, composition of the milk, live weight changes and their economical returns. To examine these effects, fifteen (15) Borgou cattle, in late lactation were offered three (3) dietary treatments: grazing natural pasture (control); the two other treatments received in addition cottonseed meal and Vitellaria paradoxa leaves supplements. The experiment lasted ten (10) weeks, including an adaptation period of two (2) weeks. Average daily milk yield was 946,58 g, 1690,07 g and 1176,89 g for the control, cottonseed meal and Vitellaria paradoxa leaves group respectively. Dietary treatments had a significant (p< 0,05) effect on milk yield during the trial. Only cows supplemented CSM produce significantly more milk than those unsupplemented (increasing of 78,54 %). But there is no differences among supplemented group. Cottonseed meal group produce more than 43,60 % milk yield compared to the second supplemented group. The treatments had a significant effect on total solid and milk ash. But no significant effect was observed on fat and protein content. The over all mean values were 15,12 %, 0,35 %, 5,92 % and 4,13 % respectively for total solid, ash, fat and protein content. There were no significant differences (p<0,05) in live weight changes of supplemented group cows. Further more, calves live weight changes were significantly different. Supplemented groups calves live weight increase was significantly more than those unsupplemented from birth to the end of the trial (212,06 g/d and 219,10 g/d versus 161,1 g/d). From birth to the beginning of the trial, only Vitellaria paradoxa leaves group calves had a significant increase in live weight changes. Only CSM group calves had a significant increase in live weight changes (124,98 g/d versus 53,54 g/d for non supplemented group calves) during the trial. Calves live weight changes from birth to the beginning of the trial were highly significantly correlated with those from birth to the end of the trial for all the experimental herd and for CSM group (r = 0,96 and r = 0,99). In other hand, these two live weight changes were slightly correlated for the control (r = 0,96) and Vitellaria paradoxa group (r = 0,97). A net return analysis shows that cottonseed meal and Vitellaria paradoxa supplementation in rainy season was profitable even if Vitellaria paradoxa was more beneficial. [less ▲]

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See detailLa notion de "forme" dans la pensée de Roger Bastide
Ledent, David ULg

in Bastidiana (2005, December), 51-52

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See detailPatterns of physical activity determined by heart rate monitoring among diabetic children
Massin, M. M.; LEBRETHON, Marie-Christine ULg; Brumioul, Danielle ULg et al

in Archives of Disease in Childhood (2005), 90(12), 1223-1226

Background: Children with type 1 diabetes should be encouraged to participate in physical activity because exercise can benefit insulin sensitivity and improve known risk factors for atherosclerosis ... [more ▼]

Background: Children with type 1 diabetes should be encouraged to participate in physical activity because exercise can benefit insulin sensitivity and improve known risk factors for atherosclerosis. Methods: Physical activity patterns of 127 children and adolescents with stable type 1 diabetes were investigated by 24 hour continuous heart rate monitoring. The percentage of heart rate reserve was used to measure the amounts of physical activity at different intensities. The results were compared with normative data. Results: Diabetic preschoolchildren accumulated 192.7 (78.1), 39.1 (24.3), and 21.3 (9.4) minutes/day (mean (SD)) of light, moderate, and vigorous physical activity, respectively. At the same activity levels, diabetic schoolchildren accumulated 168.9 (76.7), 37.9 (15.9), and 19.0 (14.8) minutes/day, and diabetic teenagers accumulated 166.3 (67.5), 45.6 (26.9), and 25.2 (15.3) minutes/day. Diabetic schoolchildren were significantly more active than healthy peers when considering moderate activity; diabetic teenagers were significantly more active when considering moderate and vigorous activity. There was a negative correlation between the most recent glycated haemoglobin and the time spent in light activities in schoolchildren, and a negative correlation between mean glycated haemoglobin for one year and time spent in light and moderate activities in schoolchildren. Conclusion: The majority of our diabetic patients meet the classical paediatric guidelines for physical activity and compare favourably with their healthy peers. [less ▲]

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See detailLes restaurations partielles collées postérieures en céramique
MAINJOT, Amélie ULg

Scientific conference (2005, December)

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See detailPréparation des bases de données du modèle PEGASE et simulation de la qualité des eaux de surface du bassin hydrographique de la Meuse pour la partie située en France, au Grand Duché du Luxembourg et en Région Wallonne
Grard, Aline ULg; Everbecq, Etienne ULg; Deliège, Jean-François ULg et al

Report (2005)

Le modèle Pegase (Planification Et Gestion de l’ASsainissement des Eaux) est un modèle intégré bassins hydrographiques/rivières qui permet de calculer de façon déterministe et prévisionnelle la qualité ... [more ▼]

Le modèle Pegase (Planification Et Gestion de l’ASsainissement des Eaux) est un modèle intégré bassins hydrographiques/rivières qui permet de calculer de façon déterministe et prévisionnelle la qualité des eaux des rivières en fonction des rejets et apports de pollution (relation pression-impact). Développé depuis la fin des années 1980 à l’université de Liège, il permet d'orienter les choix des opérateurs publics et privés en matière de gestion des eaux de surface à l'échelle des petits et grands bassins versants. Le modèle a été utilisé dés les années 1990 en Région Wallonne, en France sur le bassin Rhin-Meuse et au Grand Duché du Luxempbourg. Tenant compte de ce fait, et de la nécessité d'assurer une coordination efficace entre les 3 autorités compétentes pour la mise en œuvre de la DCE et en particulier pour tester l’effet combiné des programmes de mesures envisagés, la Région wallonne a donné en 2005 au CEME-ULg la mission de préparer la modélisation transnationale du bassin de la Meuse pour la partie du bassin située en France, au Grand-Duché du Luxembourg et en Région wallonne. Ce rapport reprend la description des tâches qui ont été réalisées, soit : La collecte et l’assemblage des données nécessaires La création de la base de données permettant de réaliser la simulation de la qualité des eaux de surface par le modèle Pégase sur le domaine en question La simulation de la qualité des eaux de surface pour le bassin transnational de la Meuse en France, au Grand Duché du Luxembourg et en Région Wallonne [less ▲]

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See detailExtension du réseau modélisé par PEGASE et amélioration de la prise en compte des apports régionaux - Phase 1
Bourouag, Mohamed ULg; Deliège, Jean-François ULg; Everbecq, Etienne ULg et al

Report (2005)

Le modèle Pegase (Planification Et Gestion de l’ASsainissement des Eaux) est un modèle intégré bassins hydrographiques/rivières qui permet de calculer de façon déterministe et prévisionnelle la qualité ... [more ▼]

Le modèle Pegase (Planification Et Gestion de l’ASsainissement des Eaux) est un modèle intégré bassins hydrographiques/rivières qui permet de calculer de façon déterministe et prévisionnelle la qualité des eaux des rivières en fonction des rejets et apports de pollution (relation pression-impact). Développé depuis la fin des années 1980 à l’université de Liège, il permet d'orienter les choix des opérateurs publics et privés en matière de gestion des eaux de surface à l'échelle des petits et grands bassins versants. L'Agence de l'eau Rhin-Meuse utilise le modèle Pegase depuis le milieu des années 1990 pour simuler les reletions pressions/impacts sur son bassin et, accessoirement, caractériser ses cours d'eau dans les endroits où les mesures sont inexistantes ou inadéquates. Dans le cadre de la caractérisation des cours d’eau du milieu naturel, l’Agence a désiré étendre le réseau de rivières simulées et améliorer la prise en compte des apports régionaux des sols dans le modèle PEGASE. Ce rapport présente les tâches qui ont été réalisées afin d'étendre le réseau de rivières modélisées à l'ensemble des masses d'eau du bassin Rhin-Meuse [less ▲]

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See detailTuareg ethnodiagnostic skill of camel diseases in Agadez area (Niger)
Antoine-Moussiaux, Nicolas ULg; Faye, Bernard; Vias, Gilles F.

in Journal of Camel Practice and Research (2005), 12(2), 85-93

For generations, nomad herders have been learning to manage herd health, particularly in dromedary because of its high value. They have thus acquired a very comprehensive knowledge of camel's illness ... [more ▼]

For generations, nomad herders have been learning to manage herd health, particularly in dromedary because of its high value. They have thus acquired a very comprehensive knowledge of camel's illness signs and have developed their own nomenclature. The present study aims at the description, scientific identification and recognition of this ethnoveterinary knowledge by means of an investigation carried out in Tuareg populations living in the neighbourhoods of Agadez (Niger). The dominant pathologies cited by herders for being the most alarming are gastro-intestinal helminthiasis (izni), camel calf diarrhoea (efay), tick infestations of camel calves (igardan), camel pox (erk eshik), sarcoptic mange (ajud) and bronchopneumonia (toza). Poorly identified nosologic entities are also reported. [less ▲]

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See detailJe est un auteur
Scheepers, Caroline ULg

in Enjeux : Revue de Formation Continuée et de Didactique du Français (2005), 64(hiver), 31-58

Comment favoriser chez des instituteurs en formation initiale l’appropriation de démarches didactiques novatrices relatives à la lecture–écriture littéraires – c’est-à-dire à une lecture qui prend en ... [more ▼]

Comment favoriser chez des instituteurs en formation initiale l’appropriation de démarches didactiques novatrices relatives à la lecture–écriture littéraires – c’est-à-dire à une lecture qui prend en considération l’intention artistique et à une écriture qui procède d’une telle intention ? Telle est l’interrogation qui sous-tend le présent article, consacré à un dispositif centré sur le conte. [less ▲]

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See detailCocaine-conditioned activity persists for a longer time than cocaine-sensitized activity in mice: Implications for the theories using Pavlovian excitatory conditioning to explain the context-specificity of sensitization
Tirelli, Ezio ULg; Michel, Alexa ULg; Brabant, Christian ULg

in Behavioural Brain Research (2005), 165(1), 18-25

The present study was aimed at testing the prediction of the Pavlovian excitatory conditioning explanation of context-specific sensitization that the sensitized effect (SE) should persist as long as the ... [more ▼]

The present study was aimed at testing the prediction of the Pavlovian excitatory conditioning explanation of context-specific sensitization that the sensitized effect (SE) should persist as long as the post-sensitization conditioned activity (CR). C57BL/6J mice were tested for the expression of cocaine-induced conditioned and sensitized locomotion on several intervals after the establishment of a sensitization in an unchanging context. A group of mice received 10 once-daily injections of 10 mg/kg cocaine (s.c.) in a short time prior to being tested in activity-meters for 60 min sessions (cocaine-pretreated group), mice from a control group receiving saline in the same manner (saline-pretreated group). On the test sessions, taking place 1, 8 and 28 days after cocaine pretreatment, half of the animals of each pretreatment group (n=8) received a challenge test with saline and the other half with 10 mg/kg cocaine in the pretreatment context room (for CR and SE tests, respectively). The CR was significantly expressed on the three successive saline-challenge tests, albeit the activity levels were markedly decreased on the 28-day retention test. In contrast, the SE was significantly expressed only during the first half of the 1-day test session and the first 10 min of the 8-day test session, no SE effect being expressed on the 28-day retention test. The results, suggesting a functional uncoupling of the CR from the SE, disprove the theories of context-specificity of sensitization based completely or partially on Pavlovian excitatory conditioning mechanisms. [less ▲]

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See detailLa langue française face aux langues de l’immigration – Etat des lieux en Communauté française de Belgique
Martiniello, Marco ULg; Perrin, N.

Scientific conference (2005, November 30)

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See detailImpact of acid containing montmorillonite on the properties of Nafion® membranes
Thomassin, Jean-Michel ULg; Pagnoulle, Christophe; Caldarella, Giuseppe ULg et al

in Polymer (2005), 46(25), 11389-11395

The counter-ions of montmorillonite have been exchanged for ammonium cations containing either a sulfonic acid or a carboxylic acid in order to improve the performances of sulfonated membranes in direct ... [more ▼]

The counter-ions of montmorillonite have been exchanged for ammonium cations containing either a sulfonic acid or a carboxylic acid in order to improve the performances of sulfonated membranes in direct methanol fuel cell. These layered silicates have been dispersed within Nafion® by solution mixing. Comparison with conventional organo-modified montmorillonite (Cloisite 30B) shows that the incorporation of carboxylic acid in the clay galleries improves the filler dispersion and, consequently, the methanol barrier properties. Moreover, the negative impact of Cloisite 30B on the ionic conductivity is restricted. [less ▲]

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See detailLe traitement clinique du chômage
Orianne, Jean-François ULg

Doctoral thesis (2005)

Cette thèse prend pour objet une politique publique : la politique du Parcours d’insertion. Menée dans les différents Etats membres de l’Union depuis le milieu des années 1990, au nom d’une meilleure ... [more ▼]

Cette thèse prend pour objet une politique publique : la politique du Parcours d’insertion. Menée dans les différents Etats membres de l’Union depuis le milieu des années 1990, au nom d’une meilleure intégration et coordination des multiples actions destinées aux personnes en recherche d’emploi, cette politique « active » d’emploi vise le développement de l’employabilité des chômeurs, entendons par là leur capacité d’insertion socioprofessionnelle, leurs « chances » d’accéder à un emploi durable et de qualité. Nous procédons à l’analyse de cette politique publique sous l’angle, bien particulier, du travail quotidien de trois groupes d’intermédiaires publics du marché du travail chargés de mettre en œuvre cette politique en Région wallonne (Belgique), d’en traduire les énoncés en action sur autrui : les conseillers en accompagnement professionnel du FOREM, les conseillers en formation de Carrefour Formation, les travailleurs sociaux d’Entreprises de Formation par le Travail. L’analyse tend à montrer que l’action de ces intermédiaires oriente le traitement du chômage dans une voie clinique : l’action des intermédiaires publics du marché du travail, qui vise principalement à mettre le chômeur au travail sur lui-même, repose sur la construction professionnelle de « troubles » de l’employabilité. [less ▲]

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See detailSubacute effects of sertraline on attentional and executive functions in depression
Constant, Eric; Adam, Stéphane ULg; Gillain, B. et al

Conference (2005, November 26)

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See detailThe Sounds of Rock Poetry and the Avant-Garde
Delville, Michel ULg

Conference (2005, November 25)

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See detailStudy of neuronal cells preconditionning
Guelluy, Pierre-Henri ULg; Mouithys-Mickalad, Ange ULg; Deby, Ginette et al

Poster (2005, November 25)

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See detailStudy of the active site residues of a glycoside hydrolase family 8 xylanase
Collins, T.; De Vos, D.; Hoyoux, A. et al

in Journal of Molecular Biology (2005), 354(2), 425-435

Site-directed mutagenesis and a comparative characterisation of the kinetic parameters, pH dependency of activity and thermal stability of mutant and wild-type enzymes have been used in association with ... [more ▼]

Site-directed mutagenesis and a comparative characterisation of the kinetic parameters, pH dependency of activity and thermal stability of mutant and wild-type enzymes have been used in association with crystallographic analysis to delineate the functions of several active site residues in a novel glycoside hydrolase family 8 xylanase. Each of the residues investigated plays an essential role in this enzyme: E78 as the general acid, D281 as the general base and in orientating the nucleophilic water molecule, Y203 in maintaining the position of the nucleophilic water molecule and in structural integrity and D144 in sugar ring distortion and transition state stabilization. Interestingly, although crystal structure analyses and the pH-activity profiles clearly identify the functions of E78 and D281, substitution of these residues with their amide derivatives results in only a 250-fold and 700-fold reduction in their apparent k(cat) values, respectively. This, in addition to the observation that the proposed general base is not conserved in all glycoside hydrolase family 8 enzymes, indicates that the mechanistic architecture in this family of inverting enzymes is more complex than is conventionally believed and points to a diversity in the identity of the mechanistically important residues as well as in the arrangement of the intricate microenvironment of the active site among members of this family. (c) 2005 Elsevier Ltd. All rights reserved. [less ▲]

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See detailPTH : what are we really assaying ?
Cavalier, Etienne ULg

Conference (2005, November 25)

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See detailCancer parathyroïdien et immunothérapie
Beckers, Albert ULg

Scientific conference (2005, November 25)

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See detailOptimisation de la spécificité d’encodage pour le diagnostic précoce de la maladie d’Alzheimer
Adam, Stéphane ULg; Van der Linden, Martial ULg; Ivanoiu, Adrian et al

Conference (2005, November 24)

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