Les perspectives de developpement de la filiere lait de chevre dans le bassin mediterraneen. Une reflexion collective appliquee au cas marocain PDF Download
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Author: Laurent Thomas
Publisher: Food & Agriculture Org.
ISBN: 9789252039099
Category : Goat industry
Languages : fr
Pages : 128
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Book Description
Author: Laurent Thomas
Publisher: Food & Agriculture Org.
ISBN: 9789252039099
Category : Goat industry
Languages : fr
Pages : 128
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Book Description
Author: Stéphane Joost
Publisher: Frontiers Media SA
ISBN: 2889197352
Category : Biodiversity
Languages : en
Pages : 295
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Book Description
The history of livestock started with the domestication of their wild ancestors: a restricted number of species allowed to be tamed and entered a symbiotic relationship with humans. In exchange for food, shelter and protection, they provided us with meat, eggs, hides, wool and draught power, thus contributing considerably to our economic and cultural development. Depending on the species, domestication took place in different areas and periods. After domestication, livestock spread over all inhabited regions of the earth, accompanying human migrations and becoming also trade objects. This required an adaptation to different climates and varying styles of husbandry and resulted in an enormous phenotypic diversity. Approximately 200 years ago, the situation started to change with the rise of the concept of breed. Animals were selected for the same visible characteristics, and crossing with different phenotypes was reduced. This resulted in the formation of different breeds, mostly genetically isolated from other populations. A few decades ago, selection pressure was increased again with intensive production focusing on a limited range of types and a subsequent loss of genetic diversity. For short-term economic reasons, farmers have abandoned traditional breeds. As a consequence, during the 20th century, at least 28% of farm animal breeds became extinct, rare or endangered. The situation is alarming in developing countries, where native breeds adapted to local environments and diseases are being replaced by industrial breeds. In the most marginal areas, farm animals are considered to be essential for viable land use and, in the developing world, a major pathway out of poverty. Historic documentation from the period before the breed formation is scarce. Thus, reconstruction of the history of livestock populations depends on archaeological, archeo-zoological and DNA analysis of extant populations. Scientific research into genetic diversity takes advantage of the rapid advances in molecular genetics. Studies of mitochondrial DNA, microsatellite DNA profiling and Y-chromosomes have revealed details on the process of domestication, on the diversity retained by breeds and on relationships between breeds. However, we only see a small part of the genetic information and the advent of new technologies is most timely in order to answer many essential questions. High-throughput single-nucleotide polymorphism genotyping is about to be available for all major farm animal species. The recent development of sequencing techniques calls for new methods of data management and analysis and for new ideas for the extraction of information. To make sense of this information in practical conditions, integration of geo-environmental and socio-economic data are key elements. The study and management of farm animal genomic resources (FAnGR) is indeed a major multidisciplinary issue. The goal of the present Research Topic was to collect contributions of high scientific quality relevant to biodiversity management, and applying new methods to either new genomic and bioinformatics approaches for characterization of FAnGR, to the development of FAnGR conservation methods applied ex-situ and in-situ, to socio-economic aspects of FAnGR conservation, to transfer of lessons between wildlife and livestock biodiversity conservation, and to the contribution of FAnGR to a transition in agriculture (FAnGR and agro-ecology).
Author:
Publisher:
ISBN:
Category : Animal breeding
Languages : en
Pages : 562
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Book Description
Author: Sándor Kukovics
Publisher: BoD – Books on Demand
ISBN: 1789847087
Category : Medical
Languages : en
Pages : 448
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Book Description
This volume provides a comprehensive overview of goat keeping and farming. It includes twenty-two chapters that address such topics as breeding and selection, goat reproduction, production systems, the effects of goat farming on the environment, the use of goat byproducts, the economics of goat farming, and much more.
Author:
Publisher:
ISBN:
Category : Nomads
Languages : en
Pages : 602
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Book Description
CETTE RECHERCHE VISE A CERNER LA DYNAMIQUE INDUSTRIELLE DE LA FILIERE "LAIT" A TRAVERS L'ANALYSE DE LA RELATION EXISTANTE ENTRE LA DEREGULATION DU MARCHE LAITIER ET LA COMPETITIVITE DE LA FILIERE. CETTE DERNIERE EST CONDITIONNEE PAR LES MANOEUVRES STRATEGIQUES DES INDUSTRIELS DANS LE CHAMP DES RELATIONS AMONT-AVAL. CES MANOEUVRES ONT A LA FOIS UNE PORTEE VERTICALE ET HORIZONTALE AU SEIN DE LA FILIERE. L'APPRECIATION DES FONDEMENTS DE CETTE DYNAMIQUE A SUSCITE LE RECOURS A UN SYSTEME REFERENTIEL DEFINI PAR LE MODELE DE FLUIDITE, DOMINANT DANS LES PAYS DEVELOPPES. LE BUT EST D'ETABLIR LE LIEN EXISTANT ENTRE LA STRUCTURE ORGANISATIONNELLE ET LE PROCESSUS TECHNIQUE PREDOMINANT DANS LA FILIERE. L'INTERACTION ENTRE CES DEUX COMPOSANTES INDUIT LA DIFFUSION DES NORMES INDUSTRIELLES, BASE DE COMPETITIVITE DE LA FILIERE. DANS UNE PREMIERE PARTIE, UNE APPROCHE DE LA DIFFUSION DES NORMES INDUSTRIELLES S'EST BASEE SUR LA DESCRIPTION DU PROCESSUS DE DEVELOPPEMENT DE LA FLUIDITE LAITIERE DANS UN PAYS DEVELOPPE. LA TRANSPOSITION DE CE SCHEMA DANS LE CAS DU MAROC ET SA MISE EN ~UVRE, PENDANT LES DEUX DECENNIES, DEPUIS LE PLAN LAITIER, A REVELE LES ECARTS DE DEVELOPPEMENT ET LES BLOCAGES RELATIFS. DANS UNE DEUXIEME PARTIE, ON A ESSAYE D'EXPLIQUER LES CAUSES DE CES ECARTS ET LES MOYENS A MOBILISER POUR Y REMEDIER.
Author: Sándor Kukovics
Publisher: BoD – Books on Demand
ISBN: 1789232023
Category : Medical
Languages : en
Pages : 414
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Book Description
Goat science covers quite a wide range and varieties of topics, from genetics and breeding, via nutrition, production systems, reproduction, milk and meat production, animal health and parasitism, etc., up to the effects of goat products on human health. In this book, several parts of them are presented within 18 different chapters. Molecular genetics and genetic improvement of goats are the new approaches of goat development. Several factors affect the passage rate of digesta in goats, but for diet properties, goats are similar to other ruminants. Iodine deficiency in goats could be dangerous. Assisted reproduction techniques have similar importance in goats like in other ruminants. Milk and meat production traits of goats are almost equally important and have significant positive impacts on human health. Many factors affect the health of goats, heat stress being of increasing importance. Production systems could modify all of the abovementioned characteristics of goats.
Author: Dawn Chatty
Publisher: BRILL
ISBN: 9047417755
Category : Reference
Languages : en
Pages : 1104
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Book Description
A scholarly volume devoted to an understanding of contemporary nomadic and pastoral societies in the Middle East and North Africa. This volume recognizes the variable mobile quality of the ways of life of these societies which persist in accommodating the ‘nation-state’ of the 20th and 21st century but remain firmly transnational and highly adaptive. Composed of four sections around the theme of contestation it includes examinations of contested authority and power, space and social transformation, development and economic transformation, and cultures and engendered spaces.
Author: Adnan Y. Tamime
Publisher: John Wiley & Sons
ISBN: 1405171642
Category : Technology & Engineering
Languages : en
Pages : 344
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Book Description
The Society of Dairy Technology (SDT) has joined with Blackwell Publishing to produce a series of technical dairy-related handbooks providing an invaluable resource for all those involved in the dairy industry; from practitioners to technologists working in both traditional and modern larged-scale dairy operations. Brined cheeses such as feta and halloumi have seen a large increase in popularity and as a result, increasing economic value. Over the past two decades the dairy industry has carried out much research into starter cultures alongside technological developments, widening the range of brined cheese products available to consumers worldwide. The third title in the SDT series, Brined Cheeses gathers research on this important range of cheese varieties from around the world into a single volume, offering the reader: A practically-oriented and user-friendly guide Key commercially important information Coverage of all the major stages of manufacture Background to each variety Review of how different varieties are utilised in different countries Edited by Adnan Tamime, with contributions from international authors and full of core commercially useful information for the dairy industry, this book is an essential title for dairy scientists, dairy technologists and nutritionists worldwide.
Author: I. E. Coop
Publisher: Elsevier Science & Technology
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 520
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Book Description
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.
