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Morrison Swine Health Monitoring Project underscores value of information sharing
Collaboration among veterinarians working with different pork producers is one of the great benefits emanating from the Morrison Swine Health Monitoring Project (MSHMP).
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Breeding sows without CD163 gene might ultimately eliminate PRRS virus
Sows without the CD163 gene are not only resistant to porcine reproductive and respiratory syndrome (PRRS) virus, they also give birth to healthy, normal piglets — a finding that could...
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Data can help improve PRRS control
Implementing metrics and utilizing predictive analytics can help pork producers improve their management of PRRS.
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PRRSV in finishers may contribute to the disease on sow farms
It’s time to consider the role finishing pigs play in the spread of PRRSV to sow farms.
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‘Nuts n’ tails’ fluid testing is promising, practical method of PRRSV monitoring
Testing fluids obtained from routine castration and tail-docking procedures looks to be a promising, practical and affordable way to improve monitoring for PRRSV.
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Tips for successful oral-fluid sampling for PRRSV
Oral-fluid sampling is an easy way to detect PRRSV or track changes in PRRSV infections in populations — and it can optimize your survey efforts by keeping a few simple tips in mind.
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Semi-annual report indicates progress combatting PRRSV
Producers and veterinarians have reduced the impact of porcine reproductive and respiratory syndrome virus (PRRSV) by more than $83 million over the past 6 years, according to a semi-annual study...
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Modified-live vaccines ‘by far’ most effective tool for combatting PRRSV
Modified-live vaccines are “by far” the most effective tool the industry currently has to control PRRSV, said Jay Calvert, PhD, research director, Global Biologicals Research, Zoetis.
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Swine Health Monitoring Project expanding but needs more industry participants
The Swine Health Monitoring Project continues to expand but ultimately needs data from 90% of the industry to reach its long-term goal of supporting the response to emerging pathogens, said the late...
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17 years of detective work, shared experiences helping pork industry get ahead of PRRS
The evolution of knowledge about PRRS is now enabling pork producers and their veterinarians to make headway combatting this difficult and costly disease.
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Barn location can impact PRRS exposure risk
Several factors go into selecting a site for a pork-production unit, but research shows there are a couple more — specifically, terrain and vegetation — that may influence exposure to the porcine...
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Close to the finish: How grower pigs spread PRRS to sow farms
It’s time to consider the role finishing pigs play in the spread of porcine reproductive and respiratory syndrome virus (PRRSV) to sow farms, according to Montserrat Torremorell, DVM, PhD,...
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Pork producers gain ground against PRRS with reduced production losses
Porcine reproductive and respiratory syndrome (PRRS) remains one of the most costly viruses infecting US herds. But an Iowa State University study showed the annual cost of PRRS dropped nearly $100...
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Adequate gilt acclimation helps minimize the PRRSV ‘tax’
By Clayton Johnson, DVM Carthage Veterinary Service Integrated Veterinary Network
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Lessons learned from PRRS outbreak investigations
By Derald Holtkamp, MS, DVM Iowa State University, College of Veterinary MedicineAmes, Iowa It’s been three decades since veterinarians and researchers first recognized porcine reproductive...
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Why PRRS elimination doesn’t work in some herds
Amber Stricker, DVM, discusses reasons why successful PRRS elimination isn’t always achieved in some herds.
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Mycoplasma hyopneumoniae: Elimination or control?
By Clayton Johnson, DVM Carthage Veterinary Service Integrated Veterinary Network
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Taking oral-fluid samples for PRRS: How many and when?
Oral-fluid sampling can provide a simple, reliable way to surveil for porcine reproductive and respiratory syndrome virus (PRRSV), Marisa Rotolo, DVM, of Iowa State University, reported at the 2017...
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What’s the best PRRS strategy for your herd?
Every year, porcine reproductive and respiratory syndrome (PRRS) infects an estimated 25% to 45% of sow herds in the US, according to Clayton Johnson, DVM, Carthage Veterinary Clinic, Carthage,...
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Updated PRRS research book now available online
A new guide on managing porcine reproductive and respiratory syndrome (PRRS) is now available online from the National Pork Board.
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Iowa veterinarian sees benefits to early PRRS vaccination
It takes 3 to 4 weeks for pigs to develop immunity against PRRSV after vaccination with a modified-live vaccine, so vaccinating early gives them the time they need to develop immunity by nursery age,...
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Opportunistic pathogens prey on newly weaned pigs infected with a primary virus
Around 50% of pigs weaned today likely are infected with a primary viral pathogen, like porcine reproductive and respiratory syndrome (PRRS) or swine influenza, reported Cameron Schmitt, DVM,...
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Positive-pressure ventilation makes a comeback to reduce PRRS transmissions
Producers looking for ways to reduce porcine reproductive and respiratory syndrome (PRRS) find positive-pressure ventilation with some modifications works, especially in older building, according to...
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Unloading docks at processing plants appear to be source of PRRSV
Unloading docks at processing plants may be one way that livestock trailers become contaminated with porcine reproductive and respiratory syndrome virus (PRRSV).
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Oropharyngeal swabs offer alternative for PRRSV diagnosis in wean-age pigs
Taking oropharyngeal swabs — that is, samples from the tonsils — appears to be an effective alternative means for detecting PRRSV in wean-age pigs, especially when the prevalence of infection is...
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It’s cold outside. Have you PRRS-proofed your herds?
Cold weather means closer confinement and a greater risk of porcine reproductive and respiratory syndrome virus (PRRSv). A leading PRRS expert recommends ways to keep this common and costly disease...
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