References of "Dufrasne, Isabelle"
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See detailNitrogen balance and nitrate residues in pastures grazed by dairy cows and and fertilised with mineral fertiliser, pig slurry or cattle compost
Dufrasne, Isabelle ULg; Meura, S.; Cabaraux, Jean-François ULg et al

in Permanent and temporary grassland plant, environment and economy, A De Vliegher an L. Carlier editors, Book of abstracts of 14th Symposium of European Grassland Federation (2007)

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See detailLinseeds in fattening diet for Belgian Blue culled cows and growing bulls in order to improve the n-3 fatty acids content in meat
Robaye, Vincent ULg; Dotreppe, Olivier ULg; Cabaraux, Jean-François ULg et al

in 11th Congress of the European Society of Veterinary and Comparative Nutrition (2007)

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See detailInfluence of the geographical area and the season on the milk urea content in Wallonia
Meura, S.; Dufrasne, Isabelle ULg; Cabaraux, Jean-François ULg et al

in Book of Abstracts of the 58th Annual Meeting of the European Association for Animal Production (2007)

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See detailEvaluation des rejets azotés azotés de la vache laitière au pâturage
Meura, S.; Cabaraux, Jean-François ULg; Hornick, Jean-Luc ULg et al

in 14ièmes Rencontres autour des Recherches sur les Ruminants (2007)

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See detailEffect of iodised fertilisation on iodine content in grass and on thyroid hormones concentrations in dairy heifers.
Dufrasne, Isabelle ULg; Dotreppe, Olivier ULg; Meura, S. et al

in Permanent and temporary grassland plant, environment and economy, A De Vliegher an L. Carlier editors, Book of abstracts of 14th Symposium of European Grassland Federation (2007)

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See detailNutrition index and soil nitrate residues in grazed pastures fertilised with mineral fertiliser, pig slurry or cattle compost
Dufrasne, Isabelle ULg; Meura, S.; Cabaraux, Jean-François ULg et al

in Proceedings of the British Society of Animal Science (2007)

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See detailLes engrais enrichis en sélénium: une alternative pour améliorer le statut en sélénium du bovin
Cabaraux, Jean-François ULg; Dotreppe, Olivier ULg; Hornick, Jean-Luc ULg et al

Article for general public (2006)

Le Sélénium (Se) est un oligo-élément indispensable au bon fonctionnement de l'organisme, notamment chez le bovin. Différents éléments plaident pour l’existence de déficits en Se dans le cheptel bovin et ... [more ▼]

Le Sélénium (Se) est un oligo-élément indispensable au bon fonctionnement de l'organisme, notamment chez le bovin. Différents éléments plaident pour l’existence de déficits en Se dans le cheptel bovin et particulièrement dans les troupeaux allaitants. Solutions injectables, bolus, supplémentation des rations… différentes méthodes permettent d’assurer un statut en Se correct chez l’animal. Une autre alternative consiste à enrichir les aliments produits au niveau de l’exploitation en utilisant des engrais enrichis en Se. Le Service de Nutrition de la Faculté de Médecine Vétérinaire a testé l’effet de ce type d’engrais sur la teneur en Se dans les aliments produits et sur le statut Se d’un troupeau de vaches allaitantes [less ▲]

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See detailPerformance, slaughter characteristics and meat quality of young bulls from Belgian Blue, Limousin and Aberdeen Angus breeds fattened with a sugar-beet pulp or a cereal-based diet
Cuvelier, Christine ULg; Cabaraux, Jean-François ULg; Dufrasne, Isabelle ULg et al

in Animal Science (2006), 82(Part 1), 125-132

Thirty-six young fattening bulls from three breeds (Belgian Blue, Limousin and Aberdeen Angus) were fattened over 5 months with fattening diets based either on sugar-beet pulp or on cereals. Fattening ... [more ▼]

Thirty-six young fattening bulls from three breeds (Belgian Blue, Limousin and Aberdeen Angus) were fattened over 5 months with fattening diets based either on sugar-beet pulp or on cereals. Fattening performance as well as carcass and meat characteristics were measured. There were few relevant effects of the diets on the parameters. The breeds also showed similar fattening features. However, the BB had higher killing-out proportion and their carcasses presented better scores in terms of conformation and fattening. The meat quality of the breeds differed, especially in terms of luminosity, redness and cooking losses. There were also significant influences of breed on the chemical composition of meat; fat content was lowest in Belgian Blue and highest in Aberdeen Angus. Such specificities could help to allocate breeds in appropriate niches in Belgium. [less ▲]

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See detailComparison of composition and quality traits of meat from young finishing bulls from Belgian Blue, Limousin and Aberdeen Angus breeds
Cuvelier, Christine ULg; Clinquart, Antoine ULg; Hocquette, Jean-François et al

in Meat Science (2006), 74(3), 522-531

Thirty-six young finishing bulls from three breeds (Belgian Blue, Limousin and Aberdeen Angus) were fattened over five months with finishing diets based either on sugar-beet pulp or on cereals ... [more ▼]

Thirty-six young finishing bulls from three breeds (Belgian Blue, Limousin and Aberdeen Angus) were fattened over five months with finishing diets based either on sugar-beet pulp or on cereals. Nutritional quality traits of meat - fat content and fatty acid composition with emphasis on the n - 6 and n - 3 polyunsaturated fatty acids - along with some organoleptic quality traits were measured. The Belgian Blue bulls had the lowest intramuscular fat content associated with lower saturated and monounsaturated fatty acid contents. The polyunsaturated fatty acid content did not differ to a large extent between the breeds, the Aberdeen Angus bulls showing slightly higher values. Relative to energy intake, the overall contribution of meat to the n - 3 fatty acid recommended intake was small, whatever the breed. By contrast, the contribution of meat to daily fat intake was of greater importance, especially for the Aberdeen Angus bulls. The quality traits of meat varied also according to the breed: compared to the Aberdeen Angus, the Belgian Blue bull meat had the stablest colour, the highest drip and the lowest cooking losses. The meat of Limousin bulls had intermediate characteristics for all the parameters. (c) 2006 Elsevier Ltd. All rights reserved. [less ▲]

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See detailSelenized fertilizers: effects on locally produced feedstuffs, on suckling cows and on beef meat
Cabaraux, Jean-François ULg; Hornick, Jean-Luc ULg; Dotreppe, Olivier ULg et al

in Proceedings of the 8th International Symposium on Selenium in Biology and Medecine (2006)

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See detailDifférents traitements de la graine de lin dans le cadre de l'engraissement de vaches de réforme.
Cabaraux, Jean-François ULg; Dotreppe, Olivier ULg; Dufrasne, Isabelle ULg et al

in 13ième Rencontres autour des Recherches sur les Ruminants (2006)

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See detailSoil nitrate residues and herbage production after artificial urine applications containing different levels of nitrogen.
Dufrasne, Isabelle ULg; Lambert, R.; Hornick, Jean-Luc ULg et al

in Eight research conference of the British Grassland Society (2006)

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See detailLess intensified grazing management with growing fattening bulls
Cameroni, F. D.; Hornick, Jean-Luc ULg; Cabaraux, Jean-François ULg et al

in Animal Research (2006), 55(2, MAR-APR), 105-120

Animal performance, composition and quality of meat from Belgian Blue bulls either fattened indoors (FI) or finished indoors after a previous grazing period were studied during six years. During the ... [more ▼]

Animal performance, composition and quality of meat from Belgian Blue bulls either fattened indoors (FI) or finished indoors after a previous grazing period were studied during six years. During the grazing period, three intensification managements were tested on a permanent pasture conducted as set stocking. The intensification levels were either high (HN:140 kg N(.)ha(-1) with 6 bulls(.)ha(-1)) or moderate with a 33% reduction of nitrogen fertilisation but with the same stocking rate (MN:93 kg N(.)ha(-1), 6 bulls(.)ha(-1)) or low with no nitrogen fertiliser but with a reduced stocking rate (ON, 4 bulls(.)ha(-1)). The levels of intensification did not affect sward characteristics and chemical composition of the grass. The apparent nitrogen efficiency per ha was larger in the ON plot than in the HN and MN plots ( 26 vs. 14%). The average daily gain of bulls during the grazing season was similar in the three groups at 1.0 kg(.)d(-1). The bulls from the FI group were characterised by average daily gains significantly higher than the bulls which were previously grazed and then finished indoors (1.5 vs. 1.2 kg(.)d(-1); P < 0.01). The slaughter weight, the carcass composition, the dressing percentage and most of the meat quality parameters were similar between the treatment groups. The inclusion of a grazing period in the fattening system produced a meat which was darker (lower L*, P < 0.01), more red (higher a*, P < 0.05) and had a higher content of linolenic acid (C18:3 n-3) than that of the animals fattened indoors. [less ▲]

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See detailTechnique NIR : alternative pour le dosage des acides gras.
Meulemans, Alexandra; Dufrasne, Isabelle ULg; Istasse, Louis ULg

Report (2005)

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See detailTransport sanguin et métabolisme hépatique des acides gras chez le ruminant
Cuvelier, Christine ULg; Cabaraux, Jean-François ULg; Dufrasne, Isabelle ULg et al

in Annales de Médecine Vétérinaire (2005), 149

Blood transport and hepatic metabolism of fatty acids in ruminants present several particularities. The plasma profile is characterized by a very small proportion of triacylglycerols-rich lipoproteins— ... [more ▼]

Blood transport and hepatic metabolism of fatty acids in ruminants present several particularities. The plasma profile is characterized by a very small proportion of triacylglycerols-rich lipoproteins— chylomicrons and very low density lipoproteins — and a very high proportion of high density lipoproteins, which can reach 80 % of the total lipoproteins. This distribution is concomitant with a low triacylglycerol and non esterified fatty acids plasma content, but with very high esterified cholesterol and phospholipid contents. Futhermore, the ruminant is characterized by the secretion of the majority of very low density lipoproteins at intestinal level and by a very low hepatic capacity to export triacylglycerols in these lipoproteins ; ruminant is therefore more sensible to steatosis. Moreover, the intrahepatic lipogenesis of ruminant is reduced, with as results a dependence on fatty acids blood import, the fatty acids being then directed to one of the two major pathways of intrahepatic metabolism, oxidation or esterification into triacylglycerols. [less ▲]

Detailed reference viewed: 163 (9 ULg)