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See detailEGG QUALITY COMPARISON OF TWO VIETNAMESE CHICKEN BREEDS (RI AND MIA)
Moula, Nassim ULg; Antoine-Moussiaux, Nicolas ULg; Do Duc, Luc ULg et al

in The Role of Poultry in Improving Human Welfare (2012, September)

In the context of the valorization of poultry biodiversity, this work represents a step toward a better knowledge of the production abilities of local chicken breeds in Vietnam. Local chicken breeds are ... [more ▼]

In the context of the valorization of poultry biodiversity, this work represents a step toward a better knowledge of the production abilities of local chicken breeds in Vietnam. Local chicken breeds are indeed particularly well suited for low-input rearing systems, as widely practiced in rural households of Vietnam. The socio-economic importance of these breeds might be underpinned by a market valorization through the mounting of differentiated quality value chains. Such a strategy needs the production potential of these local breeds to be assessed using parameters of egg quality and quantity. This study presents data about egg quality traits in two chicken breeds, the Ri and the Mia. The former is the most widespread breed in Vietnam, while the latter is known to be in danger of extinction. Nineteen parameters of quality of ninety eggs of Ri chickens and sixty eggs of Mia chickens were measured, each for both 40 and 60-weeks old hens to take hens ages into account.Mean egg weight of Mia eggs (44.70g) was significantly (p<0.001) higher than that of Ri eggs (41.68g). The yolk to albumen ratio was not significantly different (p>0.05) between the two breeds at the age of 40 weeks (Ri: 0.55; Mia: 0.58). For 60-weeks old hens, the ratio became significantly (p<0.05) higher in Mia eggs compared to Ri eggs (0.64 vs. 0.57). No significant difference (p>0.05) was recorded between the two breeds for parameters used for egg freshness assessment (Haugh’s units and pH of albumen and yolk) or eggshell resistance (maximal breakage force). Despite the small sample available for the study (due to the low availability of Mia hens and eggs), significant differences in egg quality traits were thus observed between these two breeds. [less ▲]

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See detailMORPHO-BIOMETRIC CHARACTERIZATION OF TWO LOCAL CHICKEN BREEDS IN VIETNAM
Do Duc, Luc ULg; Moula, Nassim ULg; Antoine-Moussiaux, Nicolas ULg et al

in The Role of Poultry in Improving Human Welfare (2012, September)

In Vietnam, 84% of the 188 million chickens are indigenous. The following local breeds are recorded: Ri, Mia, Te, Tau Vang, Ac, Oke, H’mong, Tre, Choi, Phu Lu Te, To, Dan Khao, Ho, Dong Tao and Van Phu ... [more ▼]

In Vietnam, 84% of the 188 million chickens are indigenous. The following local breeds are recorded: Ri, Mia, Te, Tau Vang, Ac, Oke, H’mong, Tre, Choi, Phu Lu Te, To, Dan Khao, Ho, Dong Tao and Van Phu. Mia, Ho and Dong Tao are reported as endangered or critical, while the Van Phu breed could have been lost during the last years. The phenotypes of the Mia and Ri breeds are described as quite close. The objective of this study is to characterize phenotypically Ri and Mia chickens. The morpho-biometric characterization was conducted according to the recommendation of FAO (1981). A total of 227 adults Ri (174 females and 53 males) and 53 adults Mia (18 males and 35 females) were used for the study. The following colors were observed for Ri and Mia respectively: tan (43.17% and 37.73%), gold salmon (24.23% and 26.42%), wheat (15.42% and 26.42%), dark red (9.69% and 5.66%), silver salmon (3.52% and 3.77%) and copper black (3.96% and 0%). Comb was mostly simple (91.19% and 100%) and red (100% and 100%) for both breeds. The wattles were of the same color as the comb while the color of the legs was yellow. The weights of adult males (2433.89g) and females (1752.86g) of the Mia breed were significantly higher than those of Ri (2053.02g and 1459.22g for males and females respectively). The results show that the external aspect of both breeds is not very different while body weights in the Ri breed were found lower than in the Mia breed. [less ▲]

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See detailAmélioration des performances génétiques des races tropicales par les races wallonnes.
Leroy, Pascal ULg; Moula, Nassim ULg; Huart, Alain et al

Conference (2012, August 25)

As part of the genetic improvement of production, selection of breeds (purebred selection) on the one hand and crossbreeding, exploiting the complementarity between breeds and hybrid vigor or heterosis ... [more ▼]

As part of the genetic improvement of production, selection of breeds (purebred selection) on the one hand and crossbreeding, exploiting the complementarity between breeds and hybrid vigor or heterosis other hand, are methods choice used by animal husbandry. The pure breeding as practiced in the developed world, based on the individual performance of breeding as well as the placement of the offspring, uses expensive infrastructure and significant human resources. In addition, genetic progress is slow and must be sustained effort. For all these reasons, in the less favored regions of the world, although the intra-breed selection is operational, most stakeholders are most often uses the crossbreeding technique leading to immediate results and protecting local breeds. Thus, in dairy cattle, many countries have used the Holstein, Brown in the Alps, and the Montbéliarde Normande with varying success. In the meat sector, in cattle, swine and sheep, as well as in the area of ​​poultry meat, crossing indigenous breeds with exotic breeds imported leads to interesting results. In the Walloon Region, due to the hard work of breeders, animals have emerged exceptional and, in cattle, swine and sheep, they are in fact, more muscular animals in the world. Thus, bulls Belgian Blue reared under natural conditions, have average daily gains as high as 2000 g / d with yields close to slaughter 70% Pietrain pigs reach values ​​of the performance slaughter of around 83% and the yield values ​​as high as 59% were observed in Texel sheep. All these animals have the characteristic of being very efficient while presenting carcasses with more muscle, less fat and less bone. As for local poultry type Ardennaise, it has remarkable phenotypes leading to immediate traceability (black members), more than 150 eggs per clutch and a darker meat.The author gives in detail examples of the use of crossbreeding with cattle, sheep, pig and poultry all originated from the Walloon Region of Belgium. [less ▲]

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See detailThe use of participatory approaches to evaluate the socio-economic factors impairing the efficacy of animal health surveillance systems
Delabouglise, Alexis; Antoine-Moussiaux, Nicolas ULg; Phan Dang, Thang ULg et al

Poster (2012, August)

The need to set up efficient and sustainable surveillance networks is a major concern which must be continually placed at the heart of the overall issue of development. In developing countries, the ... [more ▼]

The need to set up efficient and sustainable surveillance networks is a major concern which must be continually placed at the heart of the overall issue of development. In developing countries, the political priority to reduce poverty means that it is vital to include social aspects in public decision making on health management in general. This focus on social aspects can be considered all the more important regarding surveillance as it is deeply embedded in agents’ everyday life. The flow of information about animal health involves different non-monetary costs, ensuing from stigmatization or from social pressure to withhold or disclose information. Understanding, measuring and alleviating these social costs of information is required to ensure the effectiveness and viability of surveillance. The present study considers the case of highly pathogenic avian influenza surveillance in Vietnam. It aims at establishing a protocol allowing for understanding and quantifying social costs incurred by surveillance agents at the community level. In this prospect, tools and concepts from anthropology, participative epidemiology and experimental economics were combined. More particularly, social network analysis, participatory observation, companion modeling and stated preference surveys were applied for the thorough examination of constraints and costs of health information flows. The opportunity for the scaling-up of such methodologies and for the inclusion of the so-elicited quantitative values in socio-economic evaluation of surveillance systems are discussed. [less ▲]

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See detailEvaluation of the social impact of HPAI surveillance network at the community level in Vietnam.
Antoine-Moussiaux, Nicolas ULg; Delabouglise, Alexis; Binot, Aurélie et al

Conference (2012, August)

The need to set up efficient and sustainable surveillance networks is a major concern which must be continually placed at the heart of the overall issue of development. In developing countries, the ... [more ▼]

The need to set up efficient and sustainable surveillance networks is a major concern which must be continually placed at the heart of the overall issue of development. In developing countries, the political priority to reduce poverty means that it is vital to include social aspects in public decision making on health management in general. This focus on social aspects can be considered all the more important regarding surveillance as it is deeply embedded in agents’ everyday life. The flow of information about animal health involves different non-monetary costs, ensuing from stigmatization or from social pressure to withhold or disclose information. Understanding, measuring and alleviating these social costs of information is required to ensure the effectiveness and viability of surveillance. The present study considers the case of highly pathogenic avian influenza surveillance in Vietnam. It aims at establishing a protocol allowing for understanding and quantifying social costs incurred by surveillance agents at the community level. In this prospect, tools and concepts from anthropology, participative epidemiology and experimental economics were combined. More particularly, social network analysis, participatory observation, companion modeling and stated preference surveys were applied for the thorough examination of constraints and costs of health information flows. The opportunity for the scaling-up of such methodologies and for the inclusion of the so-elicited quantitative values in socio-economic evaluation of surveillance systems are discussed. [less ▲]

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See detailBackyard poultry in Kabylie (Algeria): from an indigenous chicken to a local poultry breed?
Moula, Nassim ULg; Farnir, Frédéric ULg; Salhi, Abdellah et al

in Animal Genetic Resources (2012), 50

Backyard poultry is considered as a powerful tool for poverty alleviation. It is further promoted as a way of empowering women in communities where there is gender bias in poultry raising. The low-input ... [more ▼]

Backyard poultry is considered as a powerful tool for poverty alleviation. It is further promoted as a way of empowering women in communities where there is gender bias in poultry raising. The low-input systems involved are based on local breeds that are perfectly suited to their environment. However, socio-economic processes put local genetic resources under pressure, leading to the erosion of biodiversity. The present survey addresses this issue in the case of Kabylie, a mountainous coastal region of Algeria, through a survey conducted in 90 households raising poultry, a morpho-biometric description of 315 local chickens, and a performance evaluation of both growth and egg production in experimental semi-intensive conditions. The socio-economic profile of poultry smallholders in Kabylie reveals poor education and high diversification of agricultural assets and confirms gender bias in poultry keeping. The erosion of local genetic resources in chicken is found to be severe despite their cultural importance in Kabylie. From complementary surveys among experienced poultry keepers, the major original local type is postulated to consist of three varieties with black plumage (pure black, mottled and barred). The performance evaluation raised promising results, suggesting that some degree of improvement of low-input backyard systems could be pursued by exploiting the local breed. Finally, a strategy for a revival of the local breed through the support of the most involved smallholders is outlined in accordance with the information collected in the survey. [less ▲]

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See detailComparaison de la qualité des œufs de deux races de poules Vietnamiennes (Ri et Mia)
Moula, Nassim ULg; Antoine-Moussiaux, Nicolas ULg; Do Duc, Luc ULg et al

Poster (2012, May 27)

Dans le contexte de valorisation de la biodiversité avicole, ce travail se propose de poser les bases d’une réhabilitation des poules locales Vietnamiennes, particulièrement adaptées aux conditions ... [more ▼]

Dans le contexte de valorisation de la biodiversité avicole, ce travail se propose de poser les bases d’une réhabilitation des poules locales Vietnamiennes, particulièrement adaptées aux conditions d’élevage peu intensives de ce pays. La grande importance socioéconomique et culturelle de ces races pourrait être renforcée et exploitée à des fins de développement rural par la promotion de filières de qualités différenciées. De telles évolutions nécessitent de caractériser le potentiel de production de ces races sur le plan qualitatif. Cette étude a pour objectif l’étude de la qualité des œufs des races de poules vietnamiennes Ri et Mia. La première est la poule la plus répandue au Vietnam et la deuxième est une race menacée d’extinction. Dix neuf caractères de qualité externe et interne de 90 œufs de la poule Ri et 60 œufs de la poule Mia ont été mesurés à 40 et à 60 semaines. Le poids entier moyen des œufs de la Mia (44,70g) était significativement (p<0,001) supérieur à celui de la poule Ri (41,68g). Le rapport jaune/blanc n’était pas significativement (p>0,05) différent à l’âge de 40 semaines (Ri : 0,55 ; Mia : 0,58). À l’âge de 60 semaines, ce rapport devient significativement supérieur pour les œufs Mia alors que celui des œufs Ri (0,64 vs. 0,57 ; p<0,05). Aucune différence significative (p>0,05) n’a été enregistrée entre les deux races pour les paramètres de fraîcheur des œufs (unités d’Haugh et pH des blancs et des jaunes) et de résistance des coquilles (force maximale de rupture). Malgré le faible effectif de cette étude, des différences significatives entre les performances de production ont été observées entre ces deux races phénotypiquement et génotypiquement proches. [less ▲]

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See detailPerformances de croissance et aptitudes bouchères du Poulet Kabyle
Moula, Nassim ULg; Antoine-Moussiaux, Nicolas ULg; Ait Kaki, Asma ULg et al

Poster (2012, May 27)

Face à la hausse rapide de la consommation mondiale de viande de volaille et afin de s’inscrire dans la perspective d’un développement durable, l’aviculture a connu et connaîtra encore de profondes ... [more ▼]

Face à la hausse rapide de la consommation mondiale de viande de volaille et afin de s’inscrire dans la perspective d’un développement durable, l’aviculture a connu et connaîtra encore de profondes mutations. L’expansion rapide de l’élevage intensif de souches hybrides, génétiquement uniformes, se réalise au détriment des races locales de poules. Ces dernières constituent pourtant un outil central du développement socio-économique rural dans diverses régions du monde. Le but de cette étude est d’étudier les performances de croissance du Poulet Kabyle en production intensive. L’expérimentation s’est déroulée dans la Région de Basse Kabylie et a consisté en deux essais consécutifs de mars à juin 2010 (n=150 poussins) et d’août à novembre 2010 (n=155 poussins). À l’éclosion, le poids moyen des poussins de la première répétition (mâles : 41,29 g, femelles : 36,26 g) n’était pas significativement différent (p>0,05) de celui de la deuxième répétition (mâles : 37,30 g, femelles : 31,94 g). A la fin de l’expérimentation, les poulets de la première répétition présentaient un poids significativement (p<0,05) supérieur à ceux de la deuxième répétition (mâles : 1978,93 g, femelles : 1448,57 g vs. mâles : 1803,30 g, femelles : 1234,48 g). L'étude des différents paramètres de la courbe de croissance (modèle de Gompertz) a révélé des valeurs différentes selon le sexe et la répétition. Aucune différence significative (p>0,05) n’a été observée entre les mortalités, les poids moyens à l’abattage, les rendements, les pH des muscles, des animaux des deux répétitions. Le poids moyen à l’abattage des mâles et leur rendement a été significativement (p<0,05) supérieur à celui des femelles. Les pH des muscles se stabilisent à une valeur appelée pH ultime variant de 5,68 à 5,81. [less ▲]

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See detailComparaison de la qualité des œufs de la race de poule locale Kabyle et de son croisement avec la souche industrielle Isa-Brown
Moula, Nassim ULg; Antoine-Moussiaux, Nicolas ULg; Ait Kaki, Asma ULg et al

Poster (2012, May 27)

La qualité de l’œuf de poule et les performances de ponte peuvent varier en fonction de la race. Dans les systèmes d’élevage extensifs à semi-intensifs des pays en développement, le croisement entre une ... [more ▼]

La qualité de l’œuf de poule et les performances de ponte peuvent varier en fonction de la race. Dans les systèmes d’élevage extensifs à semi-intensifs des pays en développement, le croisement entre une race de poule locale et une souche industrielle pourrait constituer une opportunité, délivrant un produit commercial alliant rusticité et performances zootechniques. Dans un contexte mondial d’érosion de la biodiversité avicole, ce type de croisement apporte une motivation économique à la conservation de la lignée parentale locale. Le but de cette étude est de comparer le taux de ponte et la qualité des œufs, en termes de composition, de la race de poule locale Kabyle (KAB) et de son croisement (ISAKAB) avec la souche industrielle Isa-Brown (ISA). Les analyses sur la qualité des œufs ont été réalisées durant trois périodes (semaines 35 à 36, 50 à 51 et 65 à 66). L’âge d’entrée en ponte était significativement supérieur pour la poule Kabyle par rapport au croisement ISAKAB (165,96 jours vs. 140,76 ; p<0,0001). Le nombre d’œufs pondus annuellement par la poule ISAKAB est significativement supérieur (194,20 vs. 173,44 ; p<0,05) Le rapport jaune/blanc était identique pour les deux races comparées, avec une moyenne globale de 0,56. Le poids de l’œuf était supérieur chez la poule ISAKAB (53,55 vs. 48,86 ; p<0,0001). Dès lors, les performances de ponte et la qualité des œufs de la poule Kabyle ont été améliorées par le croisement avec la souche Isa-Brown. [less ▲]

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See detailAviculture familiale au Bas-Congo, République Démocratique du Congo (RDC)
Moula, Nassim ULg; Detiffe, Nicolas; Farnir, Frédéric ULg et al

in Livestock Research for Rural Development (2012), 24(5),

La République Démocratique du Congo (RDC) souffre, à l’instar d’une majorité de pays africains, d’une précarité alimentaire conséquente. Le développement du secteur de l’élevage y est une pièce importante ... [more ▼]

La République Démocratique du Congo (RDC) souffre, à l’instar d’une majorité de pays africains, d’une précarité alimentaire conséquente. Le développement du secteur de l’élevage y est une pièce importante de la stratégie de lutte contre cette insécurité alimentaire, par l’apport de protéines de haute qualité aux populations pauvres ainsi que plus globalement par la création de richesses et la diversification du secteur agricole. A ce titre, le secteur avicole offre incontestablement, par son cycle de production court, une solution rapide et abordable par le plus grand nombre. Cette étude aborde les contraintes à la production de la poule locale au Bas-Congo. Plusieurs facteurs y sont identifiés, tels que les pathologies, l’alimentation, l’habitat et les prédateurs. L’amélioration de la situation économique et nutritionnelle des paysans de la Province du Bas-Congo peut être envisagée en améliorant le potentiel de production des poulets de race locale. Afin d’y arriver, une attention particulière doit être accordée à une alimentation équilibrée et une meilleure conduite générale de l’élevage, incluant un accès aux soins vétérinaires. L’amélioration génétique des races locales est également une voie envisageable, pour autant que l’adéquation entre l’animal et le cadre de son élevage soit respectée. [less ▲]

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See detailLes races de poules belges
Moula, Nassim ULg; Jacquet, Michel; Verelst, Andy et al

in Annales de Médecine Vétérinaire (2012), 156

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See detailLes races de poules belges de grande taille
Moula, Nassim ULg; Jacquet, Michel; Verelst, Andy et al

Poster (2011, December 09)

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See detailEvaluation comparative des statuts de races de poules locales : Algérie, Vietnam, Congo (RDC).
Moula, Nassim ULg; Antoine-Moussiaux, Nicolas ULg; Salhi, Abdellah et al

Conference (2011, December 09)

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See detailGestion des ressources génétiques animales par les éleveurs de dromadaires de la région d’Ansongo (Mali).
Traore, Bakary; Ouologuem, Bara; Antoine-Moussiaux, Nicolas ULg et al

Poster (2011, December 09)

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See detailImpact of liquidity constraint on the management of animal genetic resources by pastoralist herders.
Antoine-Moussiaux, Nicolas ULg

Conference (2011, April 27)

The improvement of pastoral livelihoods in the context of a highly uncertain economic and climatic future implies a double need for conserving livestock biodiversity and reaching productivity gains. In ... [more ▼]

The improvement of pastoral livelihoods in the context of a highly uncertain economic and climatic future implies a double need for conserving livestock biodiversity and reaching productivity gains. In situ conservation through participative genetic improvement programs is a tool of choice for these sustainable development pursuits. In this regard, selection criteria chosen by pastoralist breeders can be classified in two broad categories : productivity-seeking or risk-alleviating. The latter aim was an important motive for the constitution of the present indigenous breeds while the former is often a rationale for their neglect. Understanding the balance can help finding the way to sustainable biodiversity management. As the basis of pastoral livelihood systems, livestock shoulders many roles, among which that of savings may be considered central. Credit facilities lacking in these remote areas, breeders would thus sell part of their productive capital to invest in its improvement. The present model consists in a theoretical inquiry for the possible consequence of this polyvalence of livestock, productive capital and mobilizable saving, on the choice between the two above-mentioned breeding aims under liquidity constraint. A major outcome of the proposed model is the existence of a threshold herd size effect on investment in risk-control. This effect does not bear on investment in productivity and is no longer observed if credit constraint is relaxed. This threshold is thus proposed to entail the presence of an “erosion trap” for biodiversity and further recalls the difficulty to design a breeding program for a group of breeders with very diverse endowments. As a result, appropriate credit programs should be considered as an important key to adoption of breeding schemes for in situ conservation, and thus both their efficiency and viability. [less ▲]

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See detailThe Ri chicken breed and livelihoods in North Vietnam: characterisation and prospects
Moula, Nassim ULg; Do Duc, Luc ULg; Pham Kim, Dang et al

in Journal of Agriculture and Rural Development in the Tropics and Subtropics (2011), 112(1), 57-69

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See detailImmune depression of the SJL/J mouse, a radioresistant and immunologically atypical inbred strain.
Glineur, Stéphanie ULg; Antoine-Moussiaux, Nicolas ULg; Michaux, Charles ULg et al

in Immunobiology (2011), 216(1-2), 213-217

As the inbred mouse strain SJL/J displays increased resistance to several pathogens and as its immune system shows multiple specificities, it is tempting to infer a causal link between these observations ... [more ▼]

As the inbred mouse strain SJL/J displays increased resistance to several pathogens and as its immune system shows multiple specificities, it is tempting to infer a causal link between these observations. The first question that comes to mind is whether adaptive immunity plays a role, and a way to answer this question is to see if the resistance phenotype persists when adaptive immunity is depressed. Although it has long been known that irradiation causes repression of leukopoiesis in mice, the technical data available in the literature are of no help in the case of strain SJL/J, because it displays exceptional radioresistance. Here we show that exposure of SJL/J to ∼9Gy, an intensity corresponding to the lethal dose 50 for the species Mus musculus, leads to serious but reversible alteration of leukopoiesis. This conclusion stems from an examination of the effects, 1-11 days post-exposure, of whole-body gamma-ray irradiation on leukocyte populations in the thymus and peripheral blood of young adult females. Immunodepression was most severe 4 days post-exposure. As in other strains, leukocyte populations displayed differential radiosensitivity, B (CD19(+)) cells being most sensitive, T (CD4(+)/CD8(+)) cells moderately sensitive, and natural killer (NK1.1(+)) cells most resistant. Surprisingly, however, the helper/inducer T lymphocytes proved more resistant than the cytotoxic/suppressor T lymphocytes, contrarily to what is observed in other strains. The procedure described will make it possible to refute or establish reliably the existence of causal links between SJL-specific phenotypic traits and immune aberrations and to elucidate further the respective roles of innate and acquired immunity in determining the resistance of this strain to an array of viral diseases. [less ▲]

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See detailComparative study of egg quality traits in two Belgian local breeds and two commercial lines of chickens
Moula, Nassim ULg; Antoine-Moussiaux, Nicolas ULg; Decuypere, Eddy et al

in Archiv Für Geglügelkunde = European Poultry Science = Revue de Science Avicole Européenne (2010), 74(3), 164-171

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See detailSurra-induced lymphopenia is directly triggered by a membrane-associated parasite protein
Antoine-Moussiaux, Nicolas ULg; Cornet, Anne ULg; Cornet, François et al

Conference (2009, May 24)

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