tailieunhanh - Porcine reproductive and respiratory syndrome (PRRS)

In the literature on conflict and HIV/AIDS, African men are often presented in simplistic and explicitly negative terms. It is generally taken for granted that those who use weapons are men whilst those who suffer the consequences of conflict are women, and that men always hold power in sexual relationships whilst women are always powerless. Certainly, African women and girls have been made vulnerable by the behaviour of men and boys in conflict settings and in sexual relationships. Yet the fact that gender hierarchies also oppress some men is seldom discussed. What of. | on intervene EMERGENCY PREVENTION SYSTEM TABLE OF CONTENTS No. 2 - 2007 Porcine reproductive and respiratory syndrome PRRS regional awareness Prepared by FAO EMPRES Contributors Daniel Beltran-Alcrudo EMPRES Juan Lubroth EMPRES Coordinator Felix Njeumi EMPRES Julio Pinto EMPRES Klaus Depner EMPRES Stephane DeLaRocque EMPRES Vincent Martin Senior technical adviser in China for avian influenza William Amanfu ECTAD-RAHC Recent reports from the People s Republic of China and Southeast Asia have alerted the world to a new variant of porcine reproductive and respiratory syndrome PRRS vi- 1. Introduction 1 2. Geographical distribution 1 3. Clinical signs and diagnosis 2 4. Epidemiology 3 5. Prevention and control 3 6. References 5 rus. The disease produced by this virus is characterised by high morbidity and significant mortality that has devastated the pig industries of the affected countries Fig. 1 . The growing import export activities in that part of the world and the many countries involved have prompted EMPRES to issue an early warning message to those areas and in particular to official veterinary services throughout Southeast Asia and parts of Africa to be aware of this new variant of the PRRS virus and to offer advice on how to prevent the disease from establishing itself in new areas and how to effectively control outbreaks in the event that the virus does take hold. 1. INTRODUCTION Porcine reproductive and respiratory syndrome PRRS is an infectious viral disease of swine that is easily transmitted through direct contact to susceptible pigs and vertically to foetuses. PRRS is considered the most economically important viral disease of intensive swine farms in Europe and North America. It is characterised by reproductive failure in sows and respiratory distress in piglets and fattening pigs which combined with its potential for rapid spread can cause significant production and economic losses. PRRS also known as Mystery Swine Disease Blue Ear Disease Porcine .

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