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Amélioration génétique expérimentale de la crevette d'élevage de Nouvelle-Calédonie : Sélection d'une population de L. stylirostris résistante à la bactérie pathogène Vibrio penaeicida. Rapport final pour le Ministère de l'Outre-Mer ArchiMer
Goyard, Emmanuel; Goarant, Cyrille; Bachere, Evelyne; De Lorgeril, Julien; Mugnier, Chantal; Ansquer, Dominique; Broutoi, Francis; Brun, Pierre; Imbert, Frederic; Justou, Carole; Maillez, Jean-rene; Patrois, Jacques; Pham, Dominique; Peignon, Jean-marie.
The New-Caledonian shrimp industry is based on the controlled reproduction of the shrimp Litopenaeus stylirostris, a species which was introduced in the 80s. The major difficulty to which the industry has been faced for 10 years is the occurrence of the "syndrome 93", which corresponds to mortality phases when the temperature falls down in April-May-June. This mortality is associated to the pathogenic bacteria Vibrio penaecida and is expressed at different levels which are variable from year ta year and from pond to pond. No resistance to this pathology has been developed spontaneously. This is likely due to the protocole used to rear spawners, which does not allow to implement an efficient selective pressure at each generation An experimental selection...
Tipo: Text Palavras-chave: Amélioration génétique; P. styliroslris; Résistance; Syndrome 93; Lyzozyme; Genetic improvement; P. styliroslris; Résistance; Syndrome 93; Lyzozyme.
Ano: 2003 URL: http://archimer.ifremer.fr/doc/00109/22020/19643.pdf
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Apport d'un programme de génétique à une filière de production aquacole : l'exemple de l'ostréiculture ArchiMer
Lapegue, Sylvie; Bedier, Edouard; Goyard, Emmanuel; Degremont, Lionel; Baud, Jean-pierre; Gerard, Andre; Goulletquer, Philippe; Boudry, Pierre.
Two oyster species are currently present along the French coasts : the indigenous European flat oyster (Ostrea edulis), and the Pacific cupped oyster (Crassostrea gigas), that has been introduced from Japan since the beginning of the 70ies. The flat oyster successively suffered from two protozoan diseases during the 60ies and its production decreased from 20 000 tons/year by that time to 1 500 tons/year nowadays. Consequently, the oyster production is principally (99%) based upon the Pacific oyster species with approximately 150 000 tons/year among which 90% are grown from the natural spat. However, the hatchery production of this species is developing and was estimated to 400 to 800 millions spat in 2002. Moreover, strengthened relationships between...
Tipo: Text Palavras-chave: Growth; Selection; Genetic breeding; Genetic; Ostrea edulis; Crassostrea gigas; Oysters; Croissance; Sélection; Amélioration génétique; Génétique; Ostrea edulis; Crassostrea gigas; Huîtres.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/2003/acte-3491.pdf
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Bilan des productions expérimentales d'huîtres plates de 2005 à 2010 au Laboratoire de Génétique et Pathologie de La Tremblade ArchiMer
Heurtebise, Serge; Harrang, Estelle; Lallias, Delphine; Lapegue, Sylvie.
L’objectif de ce rapport est de détailler les productions d’huîtres plates européennes, Ostrea edulis, dans le cadre des projets de recherche développés autour de l’amélioration génétique de cette espèce. Nous avons choisi de synthétiser les actions de recherche dans un premier temps puis la production des huîtres et les expérimentations dans un ordre chronologique.
Tipo: Text Palavras-chave: Huître plate; Ostrea edulis; Production expérimentale; Amélioration génétique.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00013/12421/9211.pdf
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Diversités phénotypique et morphométrique des poulets locaux (Gallus gallus) de deux zones agroécologiques de Côte d'Ivoire Inra
Yapi-Gnaore, C.V.; Loukou, N.E.; N'Guetta, A.S.P.; Kayang, B.; Rognon, X.; Boichard, M.; Toure, G.; Coulibaly, Y.; Youssao, I..
Avec comme objectif une meilleure gestion des ressources généiques avicoles, une caractérisation phénotypique et morphométrique de l’espèce Gallus gallus domesticus a été´entreprise dans deux zones agroécologiques (forêt et savane) de Côte d’Ivoire. Un échantillonde 439 poules et 193 coqs a été photographié, décrit et mesuré individuellement.Une grande variabilité phénotypique dans la coloration et le dessin du plumage de cespoulets a été observée. Les colorations les plus fréquentes ont été le blanc (11,0 % enforêt ; 11,6 % en savane) chez les coqs et poules, le rouge du corps avec une queue noire(9,3 % en forêt ; 6,7 % en savane) chez les coqs et la couleur perdrix (8,7 % en forêt ;6,4 % en savane) chez les poules. Les poulets noirs étaient plus présents...
Tipo: Journal Article Palavras-chave:  Côte d’Ivoire; Phénotype; Morphométrie; Poulet; Amélioration génétique; Productions animales  chickens; Ivory Coast; Morphometry; Phenotypes; Animal productions; Genetic improvement.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011b6616e61&uri=/notices/prodinra1/2011/04/
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Résistance de la crevette Litopenaeus stylirostris à la bactérie pathogène Vibrio penaeicida : Physiologie, immunologie et pathologie comparées d’une population sélectionnée sur un critère de survie aux épisodes de mortalité et d’une population témoin non sélectionnée. ArchiMer
De Decker, Sophie.
The New-Caledonian shrimp industry is based on the controlled reproduction of the shrimp Litopenaeus stylirostris, a species which was introduced in the 80s. The major difficulty to which the industry has been faced for 10 years is the occurrence of the “Syndrome 93”, which corresponds to mortality phases when the temperature falls down in April-May-June. This mortality is associated to the pathogenic bacteria Vibrio penaecida. An experiment of genetic selection based on the criterion ofsurvival to Syndrome 93 has been conducted at the Laboratory of Aquaculture of New Caledonia. The 3rd selected generation had demonstrated very encouraging results (survival rates improved by around 20% in experimental infections with V. penaeicida). These results have not...
Tipo: Text Palavras-chave: Amélioration génétique; L. stylirostris; Résistance; Syndrome 93; Genetic improvement; L. stylirostris; Disease resistance; Syndrome 93.
Ano: 2004 URL: http://archimer.ifremer.fr/doc/00204/31527/29943.pdf
Registros recuperados: 5
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