Farms combining high performance and low antimicrobial usage
Producing well with a low antimicrobial usage: Is it possible in high pig-density areas? And, what is the role of the age at weaning?
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Clinical case: Influenza type A outbreak in a minimal disease farm
The farmer contacted the veterinary surgeon concerning an increase of respiratory distress and mortality in the finishing pigs during the previous 3 days.
When will a vaccine against ASF be available?
Fernando Rodríguez, the director of CReSA, explains at what stage is the development of the vaccine against ASF.
Clinical case: ASF on a Chinese pig farm
This clinical case describes how, after discovering large numbers of dead and dying pigs in the sheds over a 4-day period, an expert team of veterinarians diagnosed African Swine Fever.
ASF: can flies transmit the virus to pigs?
Enric Marco comments on the practical implications of a recent article investigating the transmission of ASF through ingestion of flies.
Clinical case: Sudden rise in returns to oestrus
A farrow-to-finish farm went from 10% to 50% of returns to oestrus, and almost 90% of them were regular.
Clinical case: Tail biting in a pig farm with non-docked pigs
The average mortality increased by 2.5% due to the animals that presented with myelitis and ascending infections along the spine. Find out how the problem could be solved without returning to tail docking.
Achieving Day 0 for Mycoplasma hyopneumoniae: What is it? Why should it be done?
Establishing Day 0 is a crucial step in disease control and elimination programs and should be carefully performed by swine health professionals.
Clinical case: Respiratory distress and ill-thrift in post-weaned pigs
There is an increase of respiratory distress and loss of body condition with an increase of mortality in the weaning and growing pigs…
Clinical case: ...and trouble arrived with them
Changes on the source of replacement animals are always difficult decisions. Monitoring through testing before the introduction of the new animals into the farm is not sufficient.
Occupational disease risks for handlers of pigs and pork
Most infections with occupational diseases occur at slaughter, when humans handle potentially infected meat or body fluids. We’ll introduce two major ones here: erysipelas and S. suis infection.
What happens when M. hyopneumoniae enters a herd? Assessment of natural infection in gilts
Some of the take-home messages of this article are: M. hyo transmits slowly within exposed populations, but pigs can shed for long periods of time.
Is PEDv spread via semen?
Enric Marco comments on the practical implications of a recent research article about PEDv excretion in semen.
Exploring the benefits of PCV-2 blanket vaccination in sows
The average piglet birth weight from the 3 groups of vaccinated sows was statistically higher than that from the unvaccinated sows.
Clinical case: Problems underlying App outbreak in a startup farm in China
Modern startup farms may have less pressure of respiratory diseases infection in winter as they usually have good ventilation design. However, the clinical case described here is an App outbreak in a startup farm with modernized ventilation design.
Clinical case: Acute mortality by nitrite intoxication
Nitrite poisoning does still occur in modern pig facilities, even more with the presence of the biological air treatment.
Susceptibility to Mycoplasma hyorhinis depending on age
Enric Marco discusses a trial that concludes that the later the infection by M. hyorhinis occurs, the less serious it is. This information can be very useful to devise new control strategies in the era of antibiotic reduction.
Clinical case: Thrombocytopaenic purpura
The farmer contacted the veterinary surgeon concerning an increase of subcutaneous haemorrhages and bruises in the skin of several piglets in eight different litters. No deaths have yet been attributed to the problem.
Clinical case: Poorly adapted piglets in a liquid system nursery
Weaning is a critical event in the pig’s life. It is a very important and stressful transition that, if not handled properly, can be responsible for the occurrence of diarrhoea and/or poorly adapted piglets.
The microbiome and viral infections
This article relates different microbiome profiles to greater or lesser severity in clinical signs, lesions and viral load in a co-infection with PRRS and PCV2 viruses, opening a window of opportunity.
Drugs and Needle sticks present unintended health hazards for swine producers and workers
By far, the most common and most obvious health hazard to producers and workers is accidental needle sticks. This article will focus on accidental needle sticks, what risks they present, and how to prevent them.
The immune system and immunity in swine. Specific humoral immunity (1/2): Ig types and structure
Specific humoral immunity is mediated by glycoproteins called antibodies or immunoglobulins.
Clinical case: The possible ways of App spreading and stopping
Once the first symptoms of the infection emerged in pigs the facility was locked and the possibility to get in from outside was the only used.
Clinical case: Eradication of PEDv in a 4500-sow commercial farm in Peru
This article shows the different measures taken and the strategy followed to eradicate PEDv in a commercial farm: stabilization, creation of a disinfection bubble, monitoring and verification.
Biosecurity measures to prevent indirect transmission of PEDV
This article helps us to define the minimum biosecurity measures that should be internally established to prevent indirect PEDv transmission.
Global molecular genetic analysis of PCV2
The current diagnostic tests are very powerful, allowing us to detect even small changes in the genome of a virus, but what do they tell us?
Clinical case: Importance of mycotoxins control for pig health: diarrhea, edema disease and E. coli vaccination failure in weaners
We were called for clinical problems on weaners that appeared a few days after a feed transition in a farrow-to-finish farm: swelling of the eyelids and forehead, incoordination, dyspnea and sudden death.
Clinical case: Diffuse reproductive problems in high health conditions
The owner contacted us because he has seen a reduction in performance in recent months, although no decline has been identified in any particular parameter. He says that, overall, “the sows are doing worse".
Land altitude, slope, and coverage as risk factors for PRRS outbreaks in the USA
Does the land altitude, slope or coverage matter?
Biosecurity status and its associations with production and management characteristics in farrow-to-finish pig herds
The farms that apply more vaccines are the ones that score the best in internal biosecurity. The change towards prevention directly leads to both greater use of vaccines and better internal biosecurity, as they are the only means we know to prevent the disease.
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