Interet De Lexamen Clinique De La Mamelle Dans Le Depistage Des Mammites Subcliniques De La Brebis Laitiere

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Intérêt de l'examen clinique de la mamelle dans le dépistage des mammites subcliniques de la brebis laitière

Author : Delphine Izac
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (491 download)

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Book Synopsis Intérêt de l'examen clinique de la mamelle dans le dépistage des mammites subcliniques de la brebis laitière by : Delphine Izac

Download or read book Intérêt de l'examen clinique de la mamelle dans le dépistage des mammites subcliniques de la brebis laitière written by Delphine Izac and published by . This book was released on 2005 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'objectif de notre étude était de mettre au point une nouvelle méthode de détection des mammites subcliniques chez la brebis en utilisant l'examen clinique de la mamelle en complément des résultats de Comptages de Cellules Somatiques (CCS). L'intérêt pratique de cet outil de dépistage réside dans l'identification des animaux malades afin de procéder à leur traitement ou à leur élimination. Le statut infectieux des demi-mamelles a été défini par plusieurs règles de décision selon le stade de lactation concerné ou selon la finalité du dépistage et permet de répartir chaque demi-mamelle en 3 classes : " infectée ", " douteuse " ou " saine ". En ce qui concerne l'identification des brebis saines, la réalisation de l'examen clinique de la mamelle couplé à l'analyse des CCS permet d'augmenter la spécificité de manière relativement importante par rapport à l'exploitation des seuls des CCS. Pour le dépistage des brebis infectées, l'examen clinique de la mamelle couplé à l'étude des CCS n'apporte pas d'amélioration de la sensibilité par rapport à l'exploitation des seuls CCS. De plus l'efficacité de cette méthode de dépistage au niveau de la détection des animaux malades varie selon le moment de la lactation considéré.

Dépistage des mammites subcliniques chez la brebis laitière

Author : Yannick Moles
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.:/5 (491 download)

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Book Synopsis Dépistage des mammites subcliniques chez la brebis laitière by : Yannick Moles

Download or read book Dépistage des mammites subcliniques chez la brebis laitière written by Yannick Moles and published by . This book was released on 2002 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: Un suivi bactériologique et cytologique de 709 demi-mamelles de brebis laitières a été réalisé sur les campagnes 1994-1995 et 1996-1997 dans le Rayon de Roquefort et dans les Pyrénées Atlantiques. Les 5426 analyses microbiologiques ont mis en évidence que 60% des prélèvements étaient stériles, les staphylocoques ont représenté 33% des isolements et parmi ceux-ci, 80% étaient des staphylocoques à coagulase négative (SCN). La définition et l'utilisation de 6 critères bactériologiques ont permis de classer les demi-mamelles suivies en " saines ", " douteuses " ou " infectées " au vu des résultats d'analyses bactériologiques sur l'ensemble de la campagne laitière considérée. Le statut infectieux des brebis a ensuite été défini à partir des statuts de chacune des demi- mamelles d'un animal. Le statut infectieux a été mis en relation avec les résultats de comptages de cellules somatiques (CCS) afin de proposer un outil opérationnel de dépistage des mammites subcliniques. Cet outil consiste en des règles de décision à 2 seuils prenant en considération tout ou partie des comptages de cellules individuels réalisés durant la lactation. A titre d'exemple, l'une de ces règles propose de considérer comme infectée une brebis présentant 1 ou plusieurs CCS supérieurs à 1 million de cellules par mL...

Livestock Policy Analysis

Author : International Livestock Research Institute
Publisher : ILRI (aka ILCA and ILRAD)
ISBN 13 : 9789291460038
Total Pages : 268 pages
Book Rating : 4.4/5 (6 download)

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Book Synopsis Livestock Policy Analysis by : International Livestock Research Institute

Download or read book Livestock Policy Analysis written by International Livestock Research Institute and published by ILRI (aka ILCA and ILRAD). This book was released on 1995-01-01 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Policy concepts; Identification of policy issues; Production systems, supply and demand; Market, price and trade policies; Marketing and distribution systems; Budget and manpower planning; Land tenure police for the livestock sector; Policy analysis report writing and communication; Livestock production and marketing in alphabeta - a case study.

Animal Health: General principles

Author : Archie Hunter
Publisher : CTA; MacMillan
ISBN 13 : 9780333612026
Total Pages : 167 pages
Book Rating : 4.6/5 (12 download)

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Book Synopsis Animal Health: General principles by : Archie Hunter

Download or read book Animal Health: General principles written by Archie Hunter and published by CTA; MacMillan. This book was released on 1996 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Animal Health Volume 1 is a practical guide for anyone involved with maintaining and establishing the health of animals in tropical and sub-tropical regions. It comprehensively explains the causes of animal diseases, how they spread and the means available for their control. The handbook should be used in conjunction with Volume 2: Specific Diseases which is already published.

Statistical Methods in Agriculture and Experimental Biology

Author : Roger Mead
Publisher : CRC Press
ISBN 13 : 1351414283
Total Pages : 490 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Statistical Methods in Agriculture and Experimental Biology by : Roger Mead

Download or read book Statistical Methods in Agriculture and Experimental Biology written by Roger Mead and published by CRC Press. This book was released on 2017-11-22 with total page 490 pages. Available in PDF, EPUB and Kindle. Book excerpt: The third edition of this popular introductory text maintains the character that won worldwide respect for its predecessors but features a number of enhancements that broaden its scope, increase its utility, and bring the treatment thoroughly up to date. It provides complete coverage of the statistical ideas and methods essential to students in agriculture or experimental biology. In addition to covering fundamental methodology, this treatment also includes more advanced topics that the authors believe help develop an appreciation of the breadth of statistical methodology now available. The emphasis is not on mathematical detail, but on ensuring students understand why and when various methods should be used. New in the Third Edition: A chapter on the two simplest yet most important methods of multivariate analysis Increased emphasis on modern computer applications Discussions on a wider range of data types and the graphical display of data Analysis of mixed cropping experiments and on-farm experiments

Agricultural English

Author : Georgeta Raţă
Publisher : Cambridge Scholars Publishing
ISBN 13 : 1443839612
Total Pages : 385 pages
Book Rating : 4.4/5 (438 download)

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Book Synopsis Agricultural English by : Georgeta Raţă

Download or read book Agricultural English written by Georgeta Raţă and published by Cambridge Scholars Publishing. This book was released on 2012-04-25 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural English is a collection of essays on the English of Agriculture. The approach is a linguistic one: the different aspects of the English used in the field of agriculture (agricultural practices, agricultural systems) and in some fields related to agriculture (agricultural zoology, agri-tourism, biology, botany, ecology, entomology, gastronomy, land measurement, plant pathology, zoology) are analysed from a morphological (combination, derivation), syntactical (nominal phrases, verbal phrases), lexical and lexicographical, semantic (homonymy, semantic fields, synonymy, terminology), pragmatic (academic discourse, idiom, metaphor), etymological (etymon, Latin heritage), and contrastive (English–Croatian, English–French, English–German, English–Romanian, Romanian–English) points of view. The book will appeal to agriculturists, animal breeders, professors, researchers, students, and translators from Croatian-, English-, French-, German-, and Romanian-speaking countries, active in their own countries or abroad. The types of academic readership it would appeal to include academic teaching staff, researchers and students in the fields of agriculture and related fields – agricultural zoology, agri-tourism, biology, botany, ecology, entomology, gastronomy, land measurement, plant pathology, and zoology.

Infectious and Parasitic Diseases of Livestock

Author : Pierre Charles Lefevre
Publisher : Cabi
ISBN 13 : 9782743008727
Total Pages : 0 pages
Book Rating : 4.0/5 (87 download)

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Book Synopsis Infectious and Parasitic Diseases of Livestock by : Pierre Charles Lefevre

Download or read book Infectious and Parasitic Diseases of Livestock written by Pierre Charles Lefevre and published by Cabi. This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years infectious livestock diseases have swept across many countries, often with dramatic consequences for animal and public health. With climatic changes modifying the distribution of vector-born diseases, emerging novel pathogens can spread rapidly in new areas, at the same time as resistance spreads in places where they are established. This calls for new approaches for the control of parasitic diseases. These two volumes present in detail over 130 viral, bacterial, fungal and parasitic diseases of large livestock species from all over the world, accompanied by very valuable and informative illustrations and photographs. Particular attention is also paid to the role of wildlife in their epidemiology, stressing the potential zoonotic characteristics of diseases where applicable and their effects on humans.