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NewsletterPorcine reproductive and respiratory syndrome (PRRS) regional awareness
No. 2 - 2007
2007Also available in:
No results found.This issue of Focus On, the latest addition to FAO’s Emergency Prevention System (EMPRES) publications, looks into porcine reproductive and respiratory syndrome (PRRS), which was first recognized in the United States in 1987 although its description had appeared in some countries years earlier, is now found in almost all swine producing countries. A number of PRRS outbreaks have occurred recently in South Africa, Russia, China and Viet Nam. The disease, which represents a worldwide threat, is ch aracterized by reproductive failure of sows and respiratory distress of piglets and fattening pigs which, combined with a potential for rapid spread, can cause significant production and economic losses. Two major antigenic types of the virus exist, the European and the American type. Some of the reports from Asia, where the PRRS virus has been isolated, describe a disease of swine with high mortality in different age groups. The key elements for prevention, control and eradication of PRRS are e arly detection and rapid laboratory confirmation, quick identification of infected farms, and rapid response through a variety of stamping out strategies and the use of vaccines with proven efficacy. This "Focus on PRRS" recommends that veterinary services reinforce their capacity in PRRS surveillance and diagnosis by training veterinarians in disease recognition, and by initiating or reviewing contingency plans in the event of disease introduction. It is also important to update risk ass essments for PRRS and other transboundary swine diseases, giving adequate attention to the trade in live pigs for breeding, pork products and routes of infection such as semen or swill feeding with contaminated products from affected areas. -
NewsletterPorcine reproductive and respiratory syndrome (PRRS) virulence jumps and persistent circulation in South East Asia
No. 5 - 2011
2011Also available in:
No results found.Since 2006, the pig sectors of China, Viet Nam, the Philippines and Thailand, have been continuously hit by atypical highly virulent strains of Porcine Reproductive and Respiratory Syndrome (PRRS). In 2010, the disease affected additional countries in South East Asia, including Lao People’s Democratic Republic and Cambodia, while causing a higher than expected epidemic wave in Thailand, underlining the regional burden PRRS represents today. -
Book (series)Report of the FAO/MARD Technical Workshop on Early Mortality Syndrome (EMS) or Acute Hepatopancreatic Necrosis Syndrome (AHPNS) of Cultured Shrimp (under TCP/VIE/3304) 2013
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No results found.With the current understanding that EMS/AHPNS has a bacterial aetiology, a strain of Vibrio parahaemolyticus, the Workshop recommended that a proper name be now given to EMS/AHPNS, i.e. Acute hepatopancreatic necrosis disease (AHPND). The Workshop drew a number of recommendations on specific and generic actions and measures for reducing the risk of AHPND, directed to wider shrimp aquaculture stakeholders (public and private sectors) pertinent to important areas such as: AHPND diagnosis; AHPND notification/reporting; international trade of live shrimp, shrimp products (frozen, cooked), and live feed for shrimp; advice to countries affected and not affected by AHPND; measures at farm and hatchery facilities; advice to pharmaceutical and feed companies and shrimp producers; actions on knowledge and capacity development; AHPND outbreak investigation/emergency response; and specific AHPND-targetted research on various themes (i.e. epidemiology, diagnostics, pathogenicity and virulence, pu blic health, mixed infections, non-antimicrobial control measures, environment, polyculture technologies).
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