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See detailL'élevage de Leiolepis guttata (Cuvier, 1829) dans la province de Binh Thuan, Vietnam
Tran, Tinh ULg

Conference given outside the academic context (2012)

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See detailELEVAGE DES POULETS TRADITIONNELS OU INDIGÈNES AU SÉNÉGAL ET EN AFRIQUE SUBSAHARIENNE : Etat des lieux et contraintes
Ayssiwede, Simplice Bosco; Dieng, Abdoulaye; Houinato, M.R.B. et al

in Annales de Médecine Vétérinaire (2013), 158

Cette synthèse aborde les multiples rôles (sociaux, culturels, économiques, religieux, alimentaires et agricoles) de l’aviculture villageoise dans la lutte contre la pauvreté et l’insécurité alimentaire ... [more ▼]

Cette synthèse aborde les multiples rôles (sociaux, culturels, économiques, religieux, alimentaires et agricoles) de l’aviculture villageoise dans la lutte contre la pauvreté et l’insécurité alimentaire des populations africaines. Elle décrit les caractéristiques des différents systèmes existants (extensif et amélioré) et les pratiques d’alimentation observées dans ce sous-secteur avicole. Après avoir passé en revue les variétés phénotypiques existantes dans la population de poules locales africaines et les performances zootechniques des sujets exploités au Sénégal et dans diverses régions d’Afrique subsaharienne, elle met un accent particulier sur les différentes contraintes (précarité des d’habitats, fortes mortalités, maladies aviaires, prédateurs, irrégularité et déficit d’approvisionnement alimentaire, accès au crédit…) qui freinent le développement de l’aviculture traditionnelle au Sénégal et en Afrique subsaharienne. [less ▲]

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See detailL'élevage des ruminants, un élément clé de notre territoire
Hautier, Louis; Campion, Morgane; Ninane, Maxime ULg et al

in Centre wallon de Recherches agronomiques (Ed.) 19ème Carrefour des Productions Animales "La viande bovine remise en question : de sa production à sa consommation", Gembloux, le 19 février 2014 (2014)

Parallèlement à l'extension de l'agriculture, l'élevage s'est développé pour la fourniture de produits alimentaires (lait, viande) et non alimentaires (cuir, laine) mais également par l'apport de la ... [more ▼]

Parallèlement à l'extension de l'agriculture, l'élevage s'est développé pour la fourniture de produits alimentaires (lait, viande) et non alimentaires (cuir, laine) mais également par l'apport de la traction animale aux agriculteurs et la restitution d'éléments fertilisants. Ceci a notamment contribué, dans nos régions, au développement du système à jachère et culture attelée. Au cours des dernières décennies, l'agriculture s'est fortement intensifiée grâce à l'énergie fossile utilisée pour la production d'intrants, de concentrés, la mécanisation et le transport des produits alimentaires. Cette intensification de l'agriculture au niveau mondial a conduit à la spécialisation des exploitations avec une dissociation de l'élevage et de la culture en bassins de production avec des conséquences très dommageables sur l'environnement. De nos jours, les productions bovines représentent 54 % des principales orientations technico-économiques en Wallonie, selon la nouvelle classification européenne (OTEX). L'élevage bovin en production est composé de 500 601 têtes : 41 % de laitières et 59 % d'allaitantes. Il est fortement basé sur la valorisation des prairies permanentes qui occupent plus de 45 % de la surface agricole utile et concerne plus de 86 % des exploitations agricoles wallonnes sur les 13 301 recensées en 2012.Toutefois, l'élevage est de plus en plus critiqué par la société à cause de ses impacts négatifs sur l'environnement et de considérations liées au bien-être animal.De plus, dans certaines exploitations, mise en concurrence des zones de grandes cultures avec les zones herbagères pour la production de lait et viande, difficultés et contraintes du métier d'éleveur. L'arrêt de cette activité pose la question du devenir de la surface agricole qui lui était allouée. Dans ce contexte, il paraît important de passer ici en revue les principaux services liés à l'élevage de ruminants en Wallonie afin d'identifier par la suite les conditions qui permettent l'optimisation de ces derniers tout en limitant les nuisances connexes et ceci dans le but d'objectiver la situation. [less ▲]

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See detailL'élevage du "mouton de case" : aspects techniques, socio-économiques et perspectives d'amélioration au Yatenga (Burkina Faso)
Hamidou, B.; Ilboudo, J.-B.; Ouedraogo, M. et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2001), 5(4), 201-208

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See detailL'élevage du gibier en Belgique
Bourguignon, J.-M.; Burny, Philippe ULg; Michel, P.

in Boyazoglu, Jean; Hetényi, Ladislav (Eds.) Game Farming in Europe : proceedings of the technical consultation, Nitra, Slovakia, 14-17 September, 1993 (1994)

A l'heure actuelle, on recense un seul élevage professionnel, quelques élevages semi-professionnels et parcs à gibiers. Concernant l'élevage du cervidé, la législation belge reste floue et ne distingue ... [more ▼]

A l'heure actuelle, on recense un seul élevage professionnel, quelques élevages semi-professionnels et parcs à gibiers. Concernant l'élevage du cervidé, la législation belge reste floue et ne distingue pas les cervidés sauvages et élevés, ces derniers étant en nombre très limité. Les importations et les produits de la chasse constituent les principales sources d'approvisionnement du pays en grand gibier. Cette offre de viande est écoulée vers le consommateur par l'intermédiaire des bouchers, de grossistes, de la grande distribution ou encore via le secteur HORECA. La viande des cervidés est bien connue et appréciée par le consommateur, particulièrement celle de chevreuil, biche et faon. Cependant, elle est considérée comme un produit de luxe, relativement cher, préparé, durant la saison de chasse, à l'occasion d'une fête surtout au restaurant mais aussi à domicile. Enfin, un programme de recherche devrait s'intéresser aux techniques d'élevage et à la qualité de la carcasse en vue d'optimiser sa commercialisation. [less ▲]

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See detailElevage et gaz à effet de serre : le bilan des émissions de l'animal à la filière
Dumortier, Pierre ULg; Rabier, Fabienne; Beckers, Yves ULg et al

Scientific conference (2013, February 20)

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See detailElevage intensif et bien-être
Nicks, Baudouin ULg; Dechamps, P.

in Cahiers d'Ethologie Appliquée (1989), 9

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See detailLes élevages intensifs: sources d'empoisonnement?
Thewis, André ULg

Learning material (1999)

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See detailElevated amh Gene Expression in the Brain of Male Tilapia (Oreochromis niloticus) during Testis Differentiation
Poonlaphdecha, S.; Soler, P.; Sheng-Hui, H. et al

in Sexual Development (2011), 5(1), 33-47

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See detailElevated anti-alpha-galactosyl antibody titres. A marker of progression in autoimmune thyroid disorders and in endocrine ophthalmopathy?
Etienne-Decerf, J.; Malaise, Michel ULg; Mahieu, P. et al

in Acta Endocrinologica (1987), 115(1), 67-74

The titres of anti-alpha-galactosyl antibodies were measured by passive haemagglutination in 50 control subjects and in 128 patients presenting with various thyroid disorders. Titres of control subjects ... [more ▼]

The titres of anti-alpha-galactosyl antibodies were measured by passive haemagglutination in 50 control subjects and in 128 patients presenting with various thyroid disorders. Titres of control subjects ranged from 1/10 to 1/80, regardless of age and blood group. Elevated titres (greater than 1/80) were constantly noted in 6/6 patients with progressive exophthalmos, in 5/5 patients with untreated Graves' disease, and in 11/12 patients with progressive nontoxic goitre. By contrast, the titres were within the normal range in primary myxoedema (17 patients) and in residual exophthalmos (11 patients), whereas they were only erratically increased in 1/31 patients with treated or cured Graves' disease and in 5/36 patients with nonprogressive nontoxic goitre. Finally, elevated titres were also found in 3/7 patients presenting with autoimmune thyroiditis. No correlations could be established between elevated titres and the thyrotropin binding inhibiting immunoglobulin activity, the antithyroglobulin antibody titres or the antimicrosomal antibody titres. As in the control subjects, the anti-alpha-galactosyl antibodies mainly belonged to the IgG class. Affinity purified anti-alpha-galactosyl antibodies were capable of binding to trypsinized human and porcine thyroid cells in culture, as shown by indirect immunofluorescence. On the other hand, they were not able to react with untreated thyroid cells. The data show that the measurement of anti-alpha-galactosyl antibody titres could represent an easy and useful tool to determine whether an autoimmune thyroid disorder is in progression. Besides, they suggest that some of the antigenic determinants implicated in the enhanced production of anti-alpha-galactosyl antibodies are present, but normally hidden, within the cell surface of thyroid cells. [less ▲]

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See detailElevated antigalactosyl antibody titers reflect renal injury after gold or D-penicillamine in rheumatoid arthritis
Malaise, Michel ULg; Davin, J. C.; Mahieu, P. R. et al

in Clinical Immunology and Immunopathology (1986), 40(2), 356-364

Titers of circulating antigalactosyl antibodies (a-Gal Ab) were assessed by passive hemagglutination using rabbit red blood cells in 40 normal subjects, in 14 patients with immunodeficient states, in 47 ... [more ▼]

Titers of circulating antigalactosyl antibodies (a-Gal Ab) were assessed by passive hemagglutination using rabbit red blood cells in 40 normal subjects, in 14 patients with immunodeficient states, in 47 patients with active rheumatoid arthritis (RA), and in 15 patients with an Henoch-Schonlein disease (HS). Titers of controls ranged from 1:16 to 1:64. All immunodeficient patients exhibited very low titers (1:1). On the contrary, the existence of an enhanced humoral immune response status, as observed in RA, was not reflected by a parallel increase of a-Gal Ab titers. However, in this disease, a strong relationship existed between titers exceeding control values (greater than 1:64) and the prior occurrence of renal injury under gold or D-penicillamine therapy. Lastly, the discovery of elevated titers (greater than 1:64) in HS only when renal involvement occurred further suggests that such antibodies reflect a renal injury. [less ▲]

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See detailElevated atmospheric CO2 in open top chambers increases net nitrification and potential denitrification
Carnol, Monique ULg; Hogenboom, L.; Jach, M. E. et al

in Global Change Biology (2002), 8

The control of soil nitrogen (N) availability under elevated atmospheric CO2 is central to predicting changes in ecosystem carbon (C) storage and primary productivity. The effects of elevated CO2 on ... [more ▼]

The control of soil nitrogen (N) availability under elevated atmospheric CO2 is central to predicting changes in ecosystem carbon (C) storage and primary productivity. The effects of elevated CO2 on belowground processes have so far attracted limited research and they are assumed to be controlled by indirect effects through changes in plant physiology and chemistry. In this study, we investigated the effects of a 4-year exposure to elevated CO2 (ambient + 400 mumol mol(-1) ) in open top chambers under Scots pine (Pinus sylvestris L) seedlings on soil microbial processes of nitrification and denitrification. Potential denitrification (DP) and potential N-2 O emissions were significantly higher in soils from the elevated CO2 treatment, probably regulated indirectly by the changes in soil conditions (increased pH, C availability and NO3 (-) production). Net N mineralization was mainly accounted for by nitrate production. Nitrate production was significantly larger for soil from the elevated CO2 treatment in the field when incubated in the laboratory under elevated CO2 (increase of 100%), but there was no effect when incubated under ambient CO2 . Net nitrate production of the soil originating from the ambient CO2 treatment in the field was not influenced by laboratory incubation conditions. These results indicate that a direct effect of elevated atmospheric CO2 on soil microbial processes might take place. We hypothesize that physiological adaptation or selection of nitrifiers could occur under elevated CO2 through higher soil CO2 concentrations. Alternatively, lower microbial NH4 assimilation under elevated CO2 might explain the higher net nitrification. We conclude that elevated atmospheric CO2 has a major direct effect on the soil microbial processes of nitrification and denitrification despite generally higher soil CO2 concentrations compared to atmospheric concentrations. [less ▲]

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See detailElevated atmospheric CO2 influences ammonia oxidiser community structure and net nitrification
Carnol, Monique ULg; Malchair, Sandrine ULg

Conference (2003, September)

The control of soil nitrogen (N) availability under elevated atmospheric CO2 is central to predicting changes in ecosystem carbon storage and primary productivity. The effects of elevated CO2 on ... [more ▼]

The control of soil nitrogen (N) availability under elevated atmospheric CO2 is central to predicting changes in ecosystem carbon storage and primary productivity. The effects of elevated CO2 on belowground processes have so far attracted limited research and they are assumed to be controlled by indirect effects through changes in plant physiology and chemistry. In this study, we investigated the effects of a 4-year exposure to elevated CO2 (ambient + 400 μmol mol-1) in open top chambers under Scots pine (Pinus sylvestris L.) on net nitrification and the community of ammonia-oxidising bacteria. Net nitrate production was significantly increased for soil from the elevated CO2 treatment in the field when incubated in the laboratory under elevated CO2, but there was no effect when incubated under ambient CO2. Net nitrate production of the soil originating from the ambient CO2 treatment in the field was not influenced by laboratory incubation conditions. These results indicate that a direct effect of elevated atmospheric CO2 on soil microbial processes might take place. Molecular analysis of the ammonia-oxidising bacteria from the same soils before laboratory incubation was investigated using a PCR-based approach targeting the 16S rRNA gene of beta-subgroup ammonia oxidisers. After specific PCR, DGGE (Denaturing Gradient Gel Electrophoresis) and sequence analysis were used to determine ammonia-oxidiser community structure. First results indicate the disappearance of Nitrosospira clusters I, II and III under elevated CO2 but also call for systematic analysis of replicates to take into account methodological and sample variability. [less ▲]

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See detailElevated atmospheric CO2 influences ammonia oxidiser community structure and net nitrification
Carnol, Monique ULg; Malchair, Sandrine ULg

in International Symposium: Structure and Function of Soil Microbiota, Philipps-University Marburg, Germany, September 18-20, 2003 (2003)

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See detailElevated GH and normal IGF-1
Beckers, Albert ULg

in Acromegaly Consensus (2009)

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See detailElevated GH and normal IGF-1 : Discrepant biochemical results
Beckers, Albert ULg

Scientific conference (2009)

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See detailElevated MMP-12 protein levels in induced sputum from patients with COPD
Demedts, Inge K.; Morel-Montero, A.; Lebecque, S. et al

in Thorax (2006), 61(3), 196-201

Background: Several matrix metalloproteinases ( MMPs) are involved in the pathogenesis of chronic obstructive pulmonary disease ( COPD). In mice, MMP-12 plays a crucial role in the development of ... [more ▼]

Background: Several matrix metalloproteinases ( MMPs) are involved in the pathogenesis of chronic obstructive pulmonary disease ( COPD). In mice, MMP-12 plays a crucial role in the development of cigarette smoke induced emphysema. A study was undertaken to investigate the role of MMP-12 in the development of COPD in human smokers. Methods: Induced sputum samples were collected from patients with stable COPD (n = 28), healthy smokers ( n = 14), never smokers ( n = 20), and former smokers ( n = 14). MMP-12 protein levels in induced sputum were determined by ELISA and compared between the four study groups. MMP-12 enzymatic activity in induced sputum was evaluated by casein zymography and by cleaving of a fluorescence quenched substrate. Results: Median (IQR) MMP-12 levels were significantly higher in COPD patients than in healthy smokers, never smokers, and former smokers (17.5 (7.1 - 42.1) v 6.7 (3.9 - 10.4) v 4.2 (2.4 - 11.3) v 6.1 (4.5 - 7.6) ng/ml, p = 0.0002). MMP-12 enzymatic activity was significantly higher in patients with COPD than in controls (4.11 (1.4 - 8.0) v 0.14 (0.1 - 0.2) mu g/ml, p = 0.0002). Conclusion: MMP-12 is markedly increased in induced sputum from patients with stable COPD compared with controls, suggesting a role for MMP-12 in the development of COPD in smokers. [less ▲]

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See detailElevated Plasma Alpha 1-Acid Glycoprotein Levels: Lack of Connection to Resistance to Vecuronium Blockade Induced by Anticonvulsant Therapy
Hans, Pol ULg; Brichant, Jean-François ULg; Pieron, F. et al

in Journal of Neurosurgical Anesthesiology (1997), 9(1), 3-7

This study was designed to investigate the relationships among anticonvulsant therapy, plasma alpha 1-acid glycoprotein (AAG) levels, and resistance to vecuronium blockade. Thirty-one patients scheduled ... [more ▼]

This study was designed to investigate the relationships among anticonvulsant therapy, plasma alpha 1-acid glycoprotein (AAG) levels, and resistance to vecuronium blockade. Thirty-one patients scheduled for routine neurosurgery were included in the study. The patients were treated (TG; n = 20) with phenytoin (n = 15) and/or carbamazepine (n = 4) and/or phenobarbital (n = 3) for > or = 6 days or were left untreated (UG; n = 11, control group). TG patients were further assigned to one of two subgroups according to the plasma anticonvulsant level measured the day before surgery and found to be within (TGW, n = 10) or below (TGB, n = 10) the therapeutic range. Finally, the 31 patients were divided into two more groups according to their plasma AAG levels: higher than (HAAG, n = 17) or within (NAAG, n = 14) the normal range (25-94 mg dl-1). Anesthesia was induced and maintained with propofol and sufentanil. Muscle relaxation was obtained with vecuronium 0.1 mg kg-1. A train-of-four (TOF) stimulation mode at 2 Hz was applied to the ulnar nerve every 15 s, and neuromuscular transmission was assessed using a TOF-Guard accelograph monitor. Plasma AAG concentrations (means +/- SEM) were 103.7 +/- 7.6 mg dl-1 in TG, 80.7 +/- 6.7 mg dl-1 in UG, 95.9 +/- 13.2 mg dl-1 in TGW, 111.6 +/- 7.6 mg dl-1 in TGB. 114.9 +/- 7.4 mg dl-1 in HAAG, and 71.4 +/- 3.8 mg dl-1 in NAAG groups. The differences in plasma AAG concentrations between UG and TG and between HAAG and NAAG groups were statistically significant. No significant relationship was found between plasma AAG levels and phenytoin concentrations (r = -0.26). The time (mean +/- SEM) to recovery of T1 to 25% of control was significantly shorter in TG (28.2 +/- 1.4 min) than in UG (42.2 +/- 3.1 min) but did not differ significantly according to the plasma anticonvulsant level (27.3 +/- 2.0 min in TGW; 29.1 +/- 1.9 min in TGB) and the plasma AAG level 31.7 +/- 1.9 min in HAAG; 35.3 +/- 3.3 min in NAAG). The time for the TOF ratio to recover to 25% yielded similar profiles and statistical significance levels: TG, 32.9 +/- 2.2 min; UG, 51.2 +/- 4.0 min; TGW, 35.0 +/- 3.9 min; TGB, 30.7 +/- 1.8 min; HAAG, 38.1 +/- 3.1 min; NAAG, 42.0 +/- 4.1 min. We conclude that anticonvulsant therapy induces an increase in plasma AAG independently of the plasma anticonvulsant level. However, duration and recovery of vecuronium blockade do not differ according to plasma AAG levels. Consequently, elevated AAG does not contribute to the resistance to vecuronium blockade induced by anticonvulsants. [less ▲]

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See detailElevation des biomarqueurs cardiaques apres un effort physique intense.
DUGAUQUIER, Christophe ULg; Hanssen, M.; GACH, Olivier ULg et al

in Revue medicale de Liege (2009), 64(7-8), 370-2

We present the case of a patient who felt faint after a strenuous exercise. A coronary angiography was performed because of an elevated level of troponin, but it failed to demonstrat any significant ... [more ▼]

We present the case of a patient who felt faint after a strenuous exercise. A coronary angiography was performed because of an elevated level of troponin, but it failed to demonstrat any significant coronary stenosis. We discuss the effect of strenuous exercise on cardiac biomarkers. Most previous published studies involved young trained populations. The frequency of these abnormalities in older, less trained people is unknown. Moreover, the possible impact of these abnormalities on mid- or long-term outcome is a matter of debate. Seniors practising intensive sport activities should systematically be submitted to a cardiological evaluation. [less ▲]

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