Etude Des Facteurs De Variation De La Composition Chimique Du Lait Des Troupeaux De Brebis Laiti Res Dans Le Rayon De Roquefort Et Les Pyr N Es Atlantiques
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Etude Des Facteurs De Variation De La Composition Chimique Du Lait Des Troupeaux De Brebis Laiti Res Dans Le Rayon De Roquefort Et Les Pyr N Es Atlantiques
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Author : Joe͏̈l Fraysse
language : fr
Publisher:
Release Date : 1996
Etude Des Facteurs De Variation De La Composition Chimique Du Lait Des Troupeaux De Brebis Laiti Res Dans Le Rayon De Roquefort Et Les Pyr N Es Atlantiques written by Joe͏̈l Fraysse and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
POUR LES TROUPEAUX OVINS LAITIERS, IL N'EXISTE PAS DE CONTROLE SYSTEMATIQUE DE LA COMPOSITION CHIMIQUE DU LAIT DE CHAQUE BREBIS TRAITE SUR L'ENSEMBLE DE LA LACTATION. L'ETUDE DES FACTEURS NON GENETIQUES DE VARIATION DE LA COMPOSITION CHIMIQUE DU LAIT NECESSITE D'ANALYSER LA PRODUCTION LAITIERE AU NIVEAU DU TROUPEAU. EN EFFET, LES SEULES DONNEES SYSTEMATIQUES DE COMPOSITION CHIMIQUE SONT ETABLIES DANS LE CADRE DU PAIEMENT DU LAIT A SA QUALITE, AU MOYEN D'ANALYSES DECADAIRES REALISEES DANS CHAQUE TROUPEAU. LA METHODE D'ANALYSE PRESENTEE EXPLOITE CES INFORMATIONS PROVENANT DES LAITERIES, CONJOINTEMENT A DES INFORMATIONS PROVENANT DES FICHIERS DU CONTROLE LAITIER OFFICIEL. CES DERNIERES PERMETTENT DE RECONSTITUER L'INVENTAIRE QUOTIDIEN DES BREBIS TRAITES DANS CHAQUE TROUPEAU, AVEC UNE MARGE D'ERREUR ACCEPTABLE. LA DESCRIPTION DE CES INVENTAIRES QUOTIDIENS PERMET DE DEFINIR LA NOTION DE STRUCTURE DU TROUPEAU, CARACTERISANT L'EFFECTIF DES BREBIS TRAITES, CONDITIONNEE PAR LES FLUX D'ENTREE A LA TRAITE ET DE SORTIE DES FEMELLES. CES FLUX SONT SUSCEPTIBLES DE MODIFIER L'AVANCEMENT DU STADE MOYEN DE LACTATION DES BREBIS TRAITES DANS CHAQUE TROUPEAU. AINSI, A L'ECHELLE DU TROUPEAU, LA NOTION DE STRUCTURE PERMET DE TENIR COMPTE DE L'EFFET DU STADE DE LACTATION, PRINCIPAL FACTEUR INDIVIDUEL DE VARIATION DE LA COMPOSITION CHIMIQUE DU LAIT DE BREBIS. UN MODELE D'ANALYSE DE LA PRODUCTION LAITIERE DU TROUPEAU A ETE DEFINI PAR ANALOGIE AU MODELE D'ANALYSE DES PERFORMANCES DES BREBIS, UTILISE POUR L'EVALUATION GENETIQUE. IL TIENT COMPTE DU NIVEAU GENETIQUE MOYEN DU TROUPEAU, DE FACTEURS DE STRUCTURE DU TROUPEAU ET DE FACTEURS SPECIFIQUES (ANNEE, UTILISATION D'ENSILAGE) ET PERMET D'EN MESURER LES EFFETS RESPECTIFS. PARALLELEMENT, DES SIMULATIONS DE STRUCTURES DE TROUPEAU ONT ETE MENEES POUR AIDER A L'INTERPRETATION DES ANALYSES DE DONNEES REELLES
Genetics Of Livestock Improvement
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Author : John Foster Lasley
language : en
Publisher: Prentice Hall
Release Date : 1972
Genetics Of Livestock Improvement written by John Foster Lasley and has been published by Prentice Hall this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Technology & Engineering categories.
Location: Aggie West Library!
The European Nitrogen Assessment
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Author : Mark A. Sutton
language : en
Publisher: Cambridge University Press
Release Date : 2011-04-14
The European Nitrogen Assessment written by Mark A. Sutton and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-04-14 with Science categories.
Presenting the first continental-scale assessment of reactive nitrogen in the environment, this book sets the related environmental problems in context by providing a multidisciplinary introduction to the nitrogen cycle processes. Issues of upscaling from farm plot and city to national and continental scales are addressed in detail with emphasis on opportunities for better management at local to global levels. The five key societal threats posed by reactive nitrogen are assessed, providing a framework for joined-up management of the nitrogen cycle in Europe, including the first cost-benefit analysis for different reactive nitrogen forms and future scenarios. Incorporating comprehensive maps, a handy technical synopsis and a summary for policy makers, this landmark volume is an essential reference for academic researchers across a wide range of disciplines, as well as stakeholders and policy makers. It is also a valuable tool in communicating the key environmental issues and future challenges to the wider public.
Organic Farming
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Author : Charles A. Francis
language : en
Publisher: ASA-CSSA-SSSA
Release Date : 2009
Organic Farming written by Charles A. Francis and has been published by ASA-CSSA-SSSA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Technology & Engineering categories.
This book represents a current look at what we know about organic farming practices and systems, primarily from the U.S. and Canadian perspectives. the discussion begins with history and certification, ecological knowledge as the foundation for sustaining food systems, and biodiversity. The next chapters address crop-animal systems; forages, grain, oil seed, and specialty crops; organic cropping and soil nutrient needs; and vegetation and pest management. Readers will next learn about marketing organics, organic foods and food security, and education and research. The book concludes with a survey of the future of organic farming and a perspective on the agricultural industry and the future of the rural sector.--COVER.
Sparks From A Geologist S Hammer
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Author : Alexander Winchell
language : en
Publisher:
Release Date : 1881
Sparks From A Geologist S Hammer written by Alexander Winchell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1881 with Blanc, Mont (France and Italy). categories.
Sheep And Goat Production
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Author : I. E. Coop
language : en
Publisher: Elsevier Science & Technology
Release Date : 1982
Sheep And Goat Production written by I. E. Coop and has been published by Elsevier Science & Technology this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Technology & Engineering categories.
Ecology and distribution; Breeding; Reproduction; Maintenance and growth; Pregnancy; Lactation of suckling ewes and does; Nutritional diseases; Infectious diseases of sheep and goats; Internal parasites of sheep and goats; External parasites of sheep and goats; Growth and characteristics of wool and hair; Wiik grading and marketing; Livestock and meat marketing and grading; Carcase and meat qualities; Milk production in sheep and goats; Systems, biological and economic efficiencies; Very extensive systems; Extensive grazing systems; Intensive grassland systems; Intensive arable systems; Very intensive systems; Government controlled systems; Migratory (Transhumance) systems; Nomadic systems; Village and smallholder systems; List of contributors.
Agroecology
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Author : Miguel A. Altieri
language : en
Publisher:
Release Date : 1987
Agroecology written by Miguel A. Altieri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Agricultural ecology categories.
(Westview special studies in agriculture science and policy).
Identifier Les Animaux
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Author : Biotope
language : fr
Publisher: Biotope Editions
Release Date : 2012
Identifier Les Animaux written by Biotope and has been published by Biotope Editions this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Animals categories.
This bilingual (French-English) guide to vertebrates facilitates accurate and easy identification of 640 species : all birds, mammals (including cetaceans and bats), reptiles, amphibians and freshwater fish. This smatt-format naturalist guide should always be kept within easy reach ! Top quality watercolours ; concise texts, giving the size, an overall description, and the main habitats of each species ; comparisons between species, important features highlighted ; distribution maps updated with the mort recent data ; rarity status by large areas indicated for each species ; species names in French, English and Dutch, together with scientific names. Listen very simply to animal sounds via a mobile phone with internet access. Download a free QR code reader on your smartphone (App Store for iOS devices and Google Play for Android devices). Launch the app and scan the QR code of the species that interests you. Confirm your identification according to the song or call.
Louis Xvi
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Author : Bernard Faÿ
language : en
Publisher: London : W. H. Allen
Release Date : 1968
Louis Xvi written by Bernard Faÿ and has been published by London : W. H. Allen this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Biography & Autobiography categories.
Deutsche Geschichte Von Karl Lamprecht
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Author : Karl Lamprecht
language : en
Publisher:
Release Date : 2022-10-27
Deutsche Geschichte Von Karl Lamprecht written by Karl Lamprecht and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-27 with History categories.