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According to historical SHIC data, PRRS typically reaches the epidemic threshold each year between the middle of October and the middle of November. PED is also more active in the winter, with historical December and January epidemic beginnings.

SVC Newsletter – October 2020

Site biosecurity ‒ Time to tighten up!

It’s that time of the year again ‒ according to historical SHIC data (see PRRS and PED epidemic monitor charts below), PRRS typically reaches the epidemic threshold each year between the middle of October and the middle of November. PED is also more active in the winter, with historical December and January epidemic beginnings.

 

As temperatures cool this fall and winter, many pathogens find it easier to survive outside the pig and are looking for an opportunity to enter your barn. It is important to our  pigs’ health, well-being and productivity not to invite these pathogens into our barns. Careful review and monitoring of our on-farm biosecurity practices are essential to keep these pathogens out. The following chart contains a list of common biosecurity practices/areas of focus for pig farms. It may be helpful to look at this list, make edits and complete a self- assessment of your farm(s). All areas of the farm where animals, people or items/supplies come into and/or go out of the farm, are key focus areas for biosecurity. Have you addressed these items with your team/system? Your Swine Vet Center veterinarian will be happy to help you complete a site biosecurity assessment this fall.

To download a printable version of this chart, click here.

Dr. Chris Sievers and wife Brooke welcome son Carter

Please join Swine Vet Center in congratulating Dr. Chris and Brooke Sievers on the birth of their son, Carter James Sievers. He was born on October 5th, 2020. Weighing in at 7 lbs. 15 oz. and 20.5″ long, Carter will surely be a fun playmate for his big brother, Gavin!

 

 

SVC Office Hours: Monday through Friday 7:30 AM to 5:00 PM

No portion of this newsletter may be used/copied without written consent of Swine Vet Center

PHT+ NEWS FEEDwhat is this?

What’s in a name? Understanding how flu viruses are identified can help fine-tune swine vaccine strategies

By Micah Jansen, DVM, Veterinary Manager, US Pork, Zoetis

Forecasting swine disease outbreaks

Researchers at the University of Minnesota have been working on a predictive model to forecast when a disease outbreak may occur on a farm.

Scientific foundation explains efficacy of Excede® for Swine against SRD pathogens

DISCOVERIES, Issue 22: A robust body of research explains the efficacy of Excede® for Swine (ceftiofur crystalline free acid) against four of the bacterial pathogens associated with swine respiratory disease.

Individual sow care offers benefits throughout the farm

Pig health and performance begin with the sow, which is why it’s critical for caregivers and production managers to evaluate each sow’s health, body condition, comfort, behavior and well-being as part of their daily routine. “By training workers, we can help them reduce sow mortality rates and culls, improve sow performance, stabilize the health status […]

Pigs with APP have less mortality, fewer lung lesions after treatment with Excede® for Swine compared to enrofloxacin

DISCOVERIES, Issue 20: Pigs with swine respiratory disease due to Actinobacillus pleuropneumoniae were treated with Excede® for Swine (ceftiofur crystallinefree acid) or enrofloxacin in a comparative challenge study.

Herd-status classification is first step to Mycoplasma control

By Lucina Galina Pantoja, DVM, PhD, Director, US Pork Technical Services, Zoetis

Negotiating extra label drug use rules

TOOLBOX, Issue 21: Rick Swalla, DVM, recently talked with editors of Pig Health Today about regulations concerning extra label drug use.

Mix it up: Resuspension times for injectable antibiotics can vary widely

DISCOVERIES, Issue 24: An analysis of three similar injectable antibiotics used for swine respiratory disease pathogens demonstrates that resuspension times can differ substantially.

Torremorell: Proven benefits of influenza vaccination

US producers and veterinarians have seen an influx of different types of influenza viruses in the last 10 to 15 years, and that is a major reason why influenza is more difficult to control.

Water: Essential nutrient often overlooked in pigs

Water doesn’t get the attention it deserves because it is abundant, easy to access and inexpensive, but that will change in the future, said John Patience, PhD, professor at Iowa State University.

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.

Deen: Batch farrowing requires ‘different mindset’

It appears batch farrowing is making a comeback, according to John Deen, DVM, PhD, distinguished global professor at the University of Minnesota.

Iowa scientists focused on diagnosing, managing Streptococcus suis in pigs

Multi-disciplinary collaboration by academia, industry partners and the veterinary community is improving the diagnostics for and management of S. suis.

High prevalence of PCV2 recombinants highlights importance of broad vaccine coverage

DISCOVERIES, Issue 21: A recent analysis of porcine circovirus type 2 (PCV2) genetic sequences shows that up to 25% of field strains are recombinants of diverse genotypes, highlighting the importance of broad protection when selecting a PCV2 vaccine.

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.

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.

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