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Registros recuperados: 7
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Bien-être animal : quelles relations entre les critères physiologiques et comportementaux d'adaptation [Animal welfare: what are the relationships between physiological and behavioural measures of adaptation ?] Animal Physiology
Richard, S.; Aupérin, B.; Bolhuis, J.E.; Geverink, N.A.; Jones, B.C.; Lepage, O.; Mignon-Grasteau, S.; Mormède, P.; Prunet, P.; Beaumont, C..
La multiplicité des critères susceptibles d'être utilisés pour évaluer l'adaptation comportementale d'un animal à son environnement a motivé l'étude des relations entre réponses physiologiques et comportementales, dans l'espoir que l'identification de telles relations puisse simplifier l'évaluation du bien-être animal. La comparaison d'animaux placés dans des environnements différents et la comparaison d'animaux aux génotypes extrêmes suggèrent l'existence de relations entre certaines réponses physiologiques et comportementales. La possibilité de catégoriser certains animaux selon leur stratégie de réponse adaptative, caractérisée par des associations répétables entre réponses comportementales et physiologiques, conforte cette hypothèse. Cependant, les...
Tipo: Journal (Paginated) Palavras-chave: QP Physiology.
Ano: 2007 URL: http://phy043.tours.inra.fr:8080/archive/00000279/
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Estimation of the genetic parameters of sexual dimorphism of body weight in "label" chickens and Muscovy ducks Inra
Mignon-Grasteau, S.; Beaumont, C.; Poivey, J.P.; de Rochambeau, H..
Les paramètres génétiques du dimorphisme sexuel du poids ont été estimés chez le poulet label et le canard de Barbarie respectivement sur 16 190 et 11 328 animaux. Un modèle animal multicaractère a été utilisé et les caractères mâles et femelles considérés comme différents. Les héritabilités des caractères considérés ont été estimées pour les mâles et les femelles,respectivement, à 0,28 ± 0,04 et 0,43 ± 0,04 pour le poids à 8 semaines (BWS) chez le poulet, 0,40 ± 0,04 et 0,51 ± 0,04 pour le poids à 6 semaines (BW6) chez le canard et 0,33 ± 0,05 et 0,67 ± 0,05 pour le gain de poids entre 6 semaines et l’abattage (WG) chez le canard. Les corrélations génétiques estimées entre sexes étaient inférieures à 1 (respectivement 0,84 pour BWB, 0,85 pour BW6...
Tipo: Journal Article Palavras-chave: CANARD DE BARBARIE; DIMORPHISME SEXUEL; POIDS CORPOREL; GAIN DE POIDS; PARAMETRE GENETIQUE; HERITABILITE.
Ano: 1998 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9900002258075057&uri=/notices/prodinra1/2007/09/
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Genetics of adaptation and domestication in livestock Animal Physiology
Mignon-Grasteau, S.; Boissy, A.; Bouix, J.; Faure, J.M.; Fisher, A.D.; Hinch, G.N.; Jensen, P.; Le Neindre, P.; Mormede, P.; Prunet, P.; Vandeputte, M.; Beaumont, C..
In this review, we assess the current state of knowledge on domestication of the major livestock species. We present first some historical background on location and dates of domestication of livestock. The characteristics that favoured domestication are described, especially gregariousness, precocity of young and diet. We then describe the genetic processes involved during domestication, i.e. uncontrolled processes such as inbreeding and genetic drift, partially controlled processes such as relaxation of natural selection and natural selection in captivity and controlled processes such as active selection. Details are also given on how the resource allocation theory explains changes occurring during domestication. The methods used to assess the extent to...
Tipo: Journal (Paginated) Palavras-chave: QP Physiology.
Ano: 2005 URL: http://phy043.tours.inra.fr:8080/archive/00000094/
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Genotype by environment interactions in relation to growth traits in slow growing chickens Inra
N'Dri, A.L.; Sellier, N.; Tixier-Boichard, M.; Beaumont, C.; Mignon-Grasteau, S..
Tipo: Journal Article Palavras-chave: INTERACTION; GENETIC PARAMETERS; FEED EFFICIENCY.
Ano: 2007 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2007a8f0e5b3&uri=/notices/prodinra1/2009/12/
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Mapping main, epistatic and sex-specific QTL for body composition in a chicken populaton divergently selected for low or high growth rate Inra
Ankra-Badu, G.A.; Shriner, D.; Le Bihan-Duval, E.; Mignon-Grasteau, S.; Pitel, F.; Beaumont, C.; Duclos, M.J.; Simon, J.; Porter, T.E.; Vignal, A.; Cogburn, L.A.; Allison, D.B.; Yi, N.; Aggrey, S.E..
Tipo: Journal Article Palavras-chave: COMPOSITION CORPORELLE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20109357f9f0&uri=/notices/prodinra1/2010/10/
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Review: Towards the agroecological management of ruminants, pigs and poultry through the development of sustainable breeding programmes. II. Breeding strategies Organic Eprints
Phocas, F.; Belloc, Catherine; Bidanel, J.; Delaby, Luc; Dourmad, J. Y.; Dumont, B.; Ezanno, Pauline; Fortun-Lamothe, L.; Foucras, G.; Frappat, Brigitte; Gonzalez-Garcia, E.; Hazard, D.; Larzul, C.; Lubac, S.; Mignon-Grasteau, S.; Moreno, C. R.; Tixier-Boichard, M.; Brochard, M..
Agroecology uses ecological processes and local resources rather than chemical inputs to develop productive and resilient livestock and crop production systems. In this context, breeding innovations are necessary to obtain animals that are both productive and adapted to a broad range of local contexts and diversity of systems. Breeding strategies to promote agroecological systems are similar for different animal species. However, current practices differ regarding the breeding of ruminants, pigs and poultry. Ruminant breeding is still an open system where farmers continue to choose their own breeds and strategies. Conversely, pig and poultry breeding is more or less the exclusive domain of international breeding companies which supply farmers with hybrid...
Tipo: Journal paper Palavras-chave: Dairy cattle; Farming Systems; Beef cattle; Breeding and genetics; Sheep and goats; Pigs; Poultry.
Ano: 2016 URL: http://orgprints.org/33572/1/Phocas_Belloc_2016_Review_Animal.pdf
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Review: Towards the agroecological management of ruminants, pigs and poultry through the development of sustainable breeding programmes: I-selection goals and criteria Organic Eprints
Phocas, F.; Belloc, Catherine; Bidanel, J.; Delaby, Luc; Dourmad, J. Y.; Dumont, B.; Ezanno, Pauline; Fortun-Lamothe, L.; Foucras, G.; Frappat, Brigitte; Gonzalez-Garcia, E.; Hazard, D.; Larzul, C.; Lubac, S.; Mignon-Grasteau, S.; Moreno, C. R.; Tixier-Boichard, M.; Brochard, M..
Agroecology uses natural processes and local resources rather than chemical inputs to ensure production while limiting the environmental footprint of livestock and crop production systems. Selecting to achieve a maximization of target production criteria has long proved detrimental to fitness traits. However, since the 1990s, developments in animal breeding have also focussed on animal robustness by balancing production and functional traits within overall breeding goals. We discuss here how an agroecological perspective should further shift breeding goals towards functional traits rather than production traits. Breeding for robustness aims to promote individual adaptive capacities by considering diverse selection criteria which include reproduction,...
Tipo: Journal paper Palavras-chave: Dairy cattle; Farming Systems; Beef cattle; Breeding and genetics; Sheep and goats; Pigs; Poultry.
Ano: 2016 URL: http://orgprints.org/33566/1/Belloc16Animal1.pdf
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