Les Vaches Laiti Res

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Superovulation Chez La Vache Laiti Re Impact De La Progest Ron Mie

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Author : Jean-Philippe Pelletier
language : fr
Publisher: Omniscriptum
Release Date : 2014-09-26

Superovulation Chez La Vache Laiti Re Impact De La Progest Ron Mie written by Jean-Philippe Pelletier and has been published by Omniscriptum this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-09-26 with categories.

Le transfert embryonnaire est une technique de reproduction assist e fr quemment utilis e dans les levages de bovins laitiers depuis plus de trente ans. Malgr le perfectionnement de ce proc d , les rendements en nombre et en qualit des embryons par r colte effectu e n'ont connu que peu d'am lioration. Les r centes recherches sugg rent que la superovulation de vaches laiti res sous une progest ron mie lev e permet de meilleurs r sultats que la superovulation sous une basse concentration plasmatique de progest rone. Puisqu'une basse progest ron mie pendant la phase lut ale est une probl matique connue chez la vache laiti re haute productrice, nous avons donc voulu comparer le rendement en embryons en utilisant deux protocoles cr ant soit un niveau sublut al (bas) ou un niveau lut al ( lev ) de progest rone pendant le traitement de superovulation. Cet ouvrage recense tout notre cheminement, de la revue de litt rature jusqu' l'interpr tation des r sultats. Il s'adresse donc tout autant aux praticiens en m decine bovine d sireux d'en conna tre plus sur l'importance clinique de la progest rone qu'aux universitaires l'aff t des derni res recherches sur la question.

Proceedings Of The Vi International Conference On Cattle Diseases

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Author : Richard A. McFeely
language : en
Publisher:
Release Date : 1970

Proceedings Of The Vi International Conference On Cattle Diseases written by Richard A. McFeely and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Cattle categories.

Proceedings

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Author :
language : en
Publisher:
Release Date :

Proceedings written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Cattle categories.

Agro Cologie

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Author : Anne Moneyron
language : fr
Publisher: Editions L'Harmattan
Release Date : 2018-12-05

Agro Cologie written by Anne Moneyron and has been published by Editions L'Harmattan this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-12-05 with Science categories.

Plus que jamais en agriculture, la formation se trouve au coeur de la complexité des problématiques alimentaires et environnementales. L'agroécologie vers laquelle il faudrait tendre va-t-elle demeurer anthropocentrée ou saura-t-elle ouvrir les modes de production agricole à la complexité de la vie ? Trois "recherches-actions-formations" dans le monde agricole montrent que l'enseignement de modèles agroécologiques explicatifs sont de fait obsolètes de par leur arrachement au réel. Sont explorés ici des expériences de formation où il s'agit non pas d'éduquer à, mais de favoriser un espace-temps de perplexité, apte à laisser se former des savoirs...

Report

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Author : Société d'industrie laitière de la province de Québec
language : en
Publisher:
Release Date : 1933

Report written by Société d'industrie laitière de la province de Québec and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1933 with Dairying categories.

World S Dairy Congress 1928

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Author :
language : fr
Publisher:
Release Date : 1928

World S Dairy Congress 1928 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1928 with Dairying categories.

Le Journal D Agriculture Illustre

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Author :
language : fr
Publisher:
Release Date : 1883

Le Journal D Agriculture Illustre written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1883 with categories.

Maison Rustique Du Dix Neuvieme Siecle

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Author :
language : fr
Publisher:
Release Date : 1849

Maison Rustique Du Dix Neuvieme Siecle written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1849 with categories.

Expos S De Sections Sp Cialis Es

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Author : R. Desroches
language : en
Publisher:
Release Date : 1989

Expos S De Sections Sp Cialis Es written by R. Desroches and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Forage plants categories.

Digestive Physiology And Metabolism In Ruminants

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Author : Y. Ruckebusch
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Digestive Physiology And Metabolism In Ruminants written by Y. Ruckebusch and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.

Two questions could not be avoided in the avant-propos of this book; (i) what is the importance to man of ruminant livestock, and (ii) what results of practical relevance in the growing mountain of scientific verbiage could be found in the Proceedings of this Symposium. Herbivores are an integral and critical part of the natural ecosystem which must be preserved because of their impact on human welfare. Wh at makes ruminants especially important to man is that they can thrive on fibrous forage and are thus the only viable enterprise over much of the earth's surface where crop growing is impracti cable. They contribute a wide array of products in addition to 50000 000 tonnes ofmeat (1977) and represent a 'capital reserve' that can be drawn upon in times of emergency: milk for example (450000000 tonnes) can make the difference between subsistence and starvation. About 60% of the world's meat and 80 % of the milk are produced by one third of the world ruminant population in the developed regions and as much as 99 % of the power for agriculture is provided by the ruminant population in developing countries. For the next two decades, a probable increase by 30 % for . cattle and buffalo and more than 40 % for sheep and goats is expected by improving health, fertility, nutrition and genetic potential rather than feed resources.