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Virus persistence challenges PRRS management strategies
Eliminating porcine reproductive and respiratory syndrome virus (PRRSV) from pigs might not yet be possible, but monitoring tools could help refine a herd's PRRSV stability.
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Strep suis continuously challenges US herds
It’s not unrealistic to say that if you checked the nasal cavities or tonsils of any group of pigs, you would find Strep suis. It is on virtually every hog farm.
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Revised herd classifications expand the PRRS road map
The system used to classify breeding herds according to their PRRSV status has long helped swine veterinarians around the world to track the pathogen’s progress.
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Rethinking colostrum management and piglet survivability
Colostrum is vital to piglet survival but managing intake may benefit from some fresh thinking, according to Kara Stewart, associate professor of animal science at Purdue University.
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Johnson: Batch farrowing shows benefits
Disease challenges eat into time and profits, and are all too common on US pig farms. That is one reason some producers are switching to batch farrowing as a way to break the disease cycle.
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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.
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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.
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Batch farrowing makes a comeback on small- to medium-sized sow farms
The practice of farrowing sows in groups and not continuously is making a reappearance as small- to medium-sized sow farms seek ways to stay competitive.
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Lowering pre-wean mortality starts at day 1
Pre-wean mortality continues to be a challenge to producers across the industry as genetic improvements allow sows to be more prolific and achieve higher total born.
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Strategies to move more pigs from birth to harvest
Litter sizes on US hog farms have steadily increased, but that’s a good-news/bad-news development as those large litters often come at a price, which is more low-birthweight piglets.
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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.
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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.
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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?
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Positive interactions with sows reduce piglet crushing
Encouraging staff to have more direct involvement with managing and handling sows can have positive impacts on herd welfare and mortality rates, say scientists.
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Perineal scoring first clue to pelvic-organ prolapse in sow-mortality project
A large research project involving 104 US sow farms and 400,000 sows is expected to identify factors related to the recent increase in sow mortalities caused by pelvic-organ prolapses.
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Why did sow-mortality rates jump to 15%?
The spike in sow-mortality rates over the past decade has prompted the US pork industry to hunt for answers.
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Inflammation, stress put pressure on sow longevity
In recent years, producers have focused on pigs per sow per year and number of pigs weaned to maximize profits, but increased litter size puts pressure on sow longevity.
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Carthage vets focusing on ‘regional’ IAV-S vaccination strategies for breeding herds
As influenza viruses evolve, is there a more effective way to manage vaccinations for influenza A virus in swine?
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Australia’s experience with castration alternative should give global confidence, producer says
Australian consumer acceptance of a technology that offers an alternative to physical castration should give more pork producers the confidence to use it, says one of Australia’s leading pork...
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Animal welfare key to pork producers’ continuous improvement
Animal well-being is not a new concept and has long been a priority on hog farms. “It’s one of the ethical principles within the industry’s We Care initiative,” said Sherry Webb,...
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Why sows leave the herd: Biological priorities and productivity
When it comes to sow productivity, culling and mortality issues, “the simple answer is there’s no simple answer,” John Deen, DVM, University of Minnesota swine epidemiologist, told Pig Health...
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Connor: No clear winner in pen- versus crate-gestation debate
Sow housing during gestation continues to draw debate as some hog operations make a switch from crates to pens for gestation. The results are mixed.
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Yeske: Multiple factors contributing to rising sow-mortality rates
The spike in sow-mortality rates in recent years has everyone in the US pork industry searching for answers. Don’t expect any simple solutions, however.
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Castration alternative boosting efficiency, quality and welfare in Brazil
Pig producers in Brazil are improving efficiency, quality and welfare standards thanks to a novel alternative to physical castration, says a prominent swine veterinarian and meat scientist.
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Strep suis resurfacing to challenge high-health herds
What’s old is new again — or at least that’s what some high-health herds are finding with Streptococcus suis (Strep suis).
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‘We’ve almost forgotten that boars just perform better’
Ever since Larry Rueff, DVM, a swine veterinarian from Greensburg, IN, stopped physically castrating some of his pigs 4 years ago, and started using a protein compound that works like an immunization...
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Piglets are key subpopulation in keeping IAV-S circulating
When it comes to influenza A virus in swine (IAV-S), the relationship between the sow’s immune status and piglet protection remains perplexing.
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Yeske: Mycoplasma elimination ‘always a good strategy’
Eliminating mycoplasma from a herd works well with a fast payback, even in hog-dense areas, according to research conducted by Paul Yeske, DVM, Swine Vet Center, St. Peter, Minnesota.
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What’s driving the surge in sow mortality?
Sow mortality in US herds has trended upward in recent years, and identifying the reasons has frustrated producers and veterinarians alike.
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Batch farrowing offers smaller sow farms improved disease control
Independent sow farms grouped together and using batch farrowing may be able to capture the same health advantages as a 5,000-sow farm with all-in, all-out production.
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Cull-sow market endangers foreign animal-disease prevention
The US cull-sow market could threaten containment plans if a foreign animal-disease (FAD) outbreak occurred in the US, according to Jim Lowe, DVM, associate professor at the University of Illinois.
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How long do mycoplasma-negative herds stay negative?
Most hog farms successfully stamp out mycoplasma pneumonia when they work with their veterinarian to eliminate the disease. The challenge is preventing reinfection.
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Food-chain specialist: Communicate the emotional side of pork production, not the technical
The food supply chain has changed dramatically in the past 20 years. “It’s so much more complex and consumer driven,” said Justin Ransom, supply chain strategist. “Today’s consumer can ask...
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Boar stud requires high health status, zero tolerance for biosecurity errors
A boar stud producing semen for thousands of sows needs to maintain excellent health with the highest level of biosecurity possible.
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What you need to know about CSI auditors
Anyone who owns hogs or hog buildings should expect a visit someday by an auditor who will conduct an animal-welfare and food-safety audit. Usually a packer or processor requests the audit, which is...
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