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Iowa scientist sees ‘a lot of genetic diversity’ in swine influenza viruses
According to research, swine influenza A viruses have become more complicated in recent years. There is a great deal of diversity within the influenza virus.
Ct values predict PRRS nursery mortality, can guide vaccination decisions
DISCOVERIES, Issue 18: Obtaining cycle threshold (Ct) values based on processing fluids provides a practical way to identify neonatal pigs at risk for nursery mortality associated with PRRS and can help determine when vaccination is worthwhile.
Three ways to assess your herd’s ‘positive welfare state’
The “Five Freedoms” have been the foundation for establishing sound animal welfare practices since they were developed in 1965. Now, more than 50 years later, researchers have additional tools and technologies to take that basic knowledge a step further.
Fostera® PRRS protects against diverse PRRS virus field strains
DISCOVERIES, Issue 19: PRRS has been described as one of the most important swine diseases of the last half-century. An estimated 20% to 25% of herds are still affected, and the syndrome remains the US swine industry’s most costly disease.
Pork’s future relies on trust throughout the pork value chain
In the end, raising hogs is about producing pork, and continuous success depends on building customers’ trust, listening to expectations and meeting their needs.
Genetic diversity makes swine influenza a challenge for producers
Influenza A virus in swine is one of the primary respiratory pathogens challenging swine production systems in the US and around the world.
Decontamination protocols fail to disinfect incoming hog supplies
Biosecurity protocols are critical to keeping the US hog herd healthy, and one of the regular tasks is to disinfect a wide range of supplies entering the farm, but how effective are those protocols?
What they don’t tell you in veterinary school: Take care of yourself
A romanticized view of the veterinary profession, gleaned from sources like the famous Brit, James Herriot’s novel “All Creatures Great and Small,” doesn’t always mesh with the reality.
Neonatal pigs with low levels of viremia may benefit from PRRS vaccination
TOOLBOX, Issue 19: An interview with
Jose Angulo, DVM,
PRRS Specialist,
Managing Veterinarian,
Zoetis
Pork industry makes progress on pain management
Pain management for pigs has always been a challenge, partly because it’s difficult to measure levels of pain and partly because there are no FDA-approved drugs labeled for pain management in pigs.
Can the processing-fluid toolbox expand beyond PRRS?
Piglet processing fluids have been shown to be a practical, time-efficient and affordable diagnostic tool for PRRS, and some indications suggest that PCV2 offers promise as well.
Take a process-driven approach to influenza control
US pork producers should strive to produce influenza-negative pigs if they want to see the benefits of increased productivity, reduced secondary infections and antibiotic use, reduced influenza dissemination, decreased influenza diversity and reduced risk of zoonotic infections.
Committing time, attention to pig’s first 24 hours key to health, uniformity
The farrowing room is a demanding place — one that needs to accommodate the divergent needs of a 500+-pound sow and her 10, 15 or 20 piglets weighing anywhere from 1.5 to 3 pounds.
COVID-19 impact on swine industry headlines 2020 virtual Leman Conference
COVID-19’s global-altering tentacles reached the 2020 Allen D. Leman Swine Conference scheduled Sept. 19-22. This year’s conference will be held virtually.
Researchers ‘look beyond the normal’ to identify emerging disease
The first case of Streptococcus equi subsp. zooepidemicus (Strep. zoo) was identified in the US pig population last fall, and it’s not an organism to be taken lightly.
Addressing ‘unknown factors’ in sow mortality
Sow mortality has been on the rise in the US pork industry, reaching upwards of 15% in many sow-production systems, said Ashley Johnson, DVM, technical services veterinarian with Zoetis.
Rate of PCV2 recombination not widely recognized
TOOLBOX, Issue 16: An interview with Meggan Bandrick, DVM, PhD Associate Director, Global Biologics Research, Zoetis
Swine Health Information Center: Preparing for emerging diseases
Whether the issue is an emerging disease such as porcine epidemic diarrhea or the threat of African swine fever, being prepared is key to minimizing the potential impact on the US swine herd and expediting the recovery.
Veterinarians, mind your mental health
Veterinarians deal with stress under the best circumstances. But in this time of difficult decisions for pork producers and those who service them due to COVID-19, maintaining mental health is even more of a concern.
Pen-side diagnostic comparisons for nursed-off sows and fallback pigs
For both the sow and piglet, an animal that does not perform to its potential or falls behind its counterparts will negatively impact the sow farm’s productivity and profitability.
Vaccine trial data versus lineage: What’s the best way to predict PRRS vaccine performance?
TOOLBOX, Issue 20: An interview with Eva Jablonski, DVM, PRRS Specialist, Senior Technical Services Veterinarian, Zoetis
Antimicrobial resistance causing few clinical problems in swine
Clinical problems in swine due to antimicrobial-resistant infections are rare. In fact, patterns of resistance in swine have been stable for a long time.
Comparing diagnostic sampling prospects from M. hyo-positive-source boar studs
Many sow farms have undergone M. hyo elimination within their breeding herd, which makes it critical to understand the potential transmission risk from boar studs.
Watch your Strep: Keep your guard up for this evolving bacterium
Few things remain the same for long on a hog farm. By the very nature of today’s production system, pigs are continuously moving on or off a site. One thing that remains constant is Strep suis.
Processing fluids provide an option to monitor PCV2 and PCVAD
Effective PCV2 control relies on vaccination of healthy pigs before they become infected. This goal cannot be accomplished in unstable herds whose sows give birth to viremic pigs.
Comparing PCV2 gilt vaccination protocols and progeny status
Porcine circovirus type 2 is the principal etiological agent of porcine circovirus associated disease (PCVAD), which can cost producers an estimated $3 to $4 per pig.
Automatic foggers fall short in disinfecting hog-farm supplies
Preventing fomites from carrying pathogens into hog farms is a daily biosecurity priority, but how effective are typical disinfection protocols?
Gebhart: Cracking the Strep suis code
Streptococcus suis (Strep suis) is becoming more prevalent and more complex in US swine herds. The coccoid-shaped, Gram-positive bacterium is also a zoonotic disease, capable of transmission from pigs to humans.
Study compares PRRSV antibody-sampling options for sows
When it comes to porcine reproductive and respiratory virus it’s important for the veterinarian and farm personnel to know the health status of a herd or barn.
German researchers: Pigs, poultry not susceptible to COVID-19
Scientists in Germany have confirmed that pigs and chickens are not susceptible to COVID-19.
How stress hammers a pig’s intestinal system
Experts say some forms of sustained stress can weaken a pig’s immune system and make it more vulnerable to disease and performance losses.
Swine dysentery makes an unwelcome comeback
Just when US pork producers thought swine dysentery was a problem of the past, it has re-emerged for an unwelcome encore in a slightly different form.
Moving biosecurity from the farm to the feed mill
An effective biosecurity strategy is not a stagnant process. It is continuously influenced by changes in pig-flows, disease pressures, virus evolution, emerging health issues and more.
Ellis: No magic bullet to reduce pre-wean mortality
Pre-wean mortality has increased over the last 15 years, and it’s a major concern for US pork producers and veterinarians.
Outmaneuvering PRRSV requires a better understanding of genetic diversity
PRRSV is constantly evolving, resulting in an extremely diverse virus with multiple lineages, but building a better understanding of that genetic diversity is the next step to making real progress against the disease.
Deen: Apply old lessons to new technologies
Classical education emphasizes the need for industries to adopt new technologies to keep up with external demands and constantly changing economic environments.
Pollmann: Make the most of your human capital
The US pork industry is challenging under the best of circumstances, with enough variables to make even astute, savvy businesspeople cautious. However, one of the biggest components of a successful, healthy operation is human capital.
No. 1 biosecurity lesson: Never stop improving
The first lesson of biosecurity, according to Andrea Pitkin, DVM, health assurance veterinarian for PIC, is to learn, modify and adapt because new threats can surface at any time.
Researchers tackle survivability issues head-on
One in three pigs born on US farms fail to reach market, according to Jason Ross, PhD, a professor of animal physiology at Iowa State University and director of the Iowa Pork Industry Center.
Mycoplasma elimination possible, but more difficult on farrow-to-finish sites
With the right program in place, eliminating mycoplasma pneumonia is possible on many hog farms.
Larger litters, more competition for colostrum make pigs more susceptible to clostridial enteritis
By Daniel A. Nelson, PhD,
Senior nutritionist, pork technical services,
Zoetis
Sow pads show promise for reducing shoulder sores, related infections
During farrowing and lactation, sows can easily develop shoulder sores, which in turn become infected. Could a little padding help?
Population-based diagnostics pinpoint the power in numbers
The world of diagnostics is expanding. Instead of focusing on individual animals, population-based diagnostics help veterinarians and producers identify the health status of their barns more quickly and efficiently.
Processing fluids’ effectiveness in monitoring PCV2 in sow herds
Vaccines have provided effective control options for PCV2, but vertical transmission remains a challenge for some farms.
Steps to mitigate cross-contamination of piglet processing fluids with PRRS MLV
As piglets move from the sow farm to the growing stage, it’s important to know their porcine reproductive and respiratory syndrome (PRRS) status.
Phase I of pelvic organ prolapse study offers new insights
A pelvic organ prolapse (POP) is a dramatic, easy-to-identify event within the farrowing room. The difficult part is figuring out the cause and applying a solution.
On the road again? Be careful not to pig out
Swine veterinarians putting in long days on the road caring for pigs should be just as cognizant of their own health and nutritional needs.
Impact of control options for Streptococcus suis and Haemophilus parasuis
Helping piglets make a smooth transition at weaning is always a priority, but bacterial pathogens such as Streptococcus suis and Haemophilus parasuis can make that goal particularly challenging.
Does PRRS influence weaned pigs’ nutritional response?
In the past 30 years, the growth and body composition of US market hogs has changed dramatically, but the same cannot be said for dietary vitamin and mineral levels.
Davies: Focus on optimizing antibiotic use, not volume
The US pork industry has a good track record for using antibiotics responsibly, but how should it be graded for its efforts? By volume? Types of antibiotics used? Resistance trends?