Detection of a novel circovirus PCV3 in pigs with cardiac and multi-systemic inflammation
In all three cases we characterized the genome of a new circovirus we called PCV3.
Page 2 of articles about PCV2
Sampling for the detection of agents of the porcine respiratory disease complex: Bronchoalveolar lavage or bronchial scraping?
Many veterinarians find bronchial scraping a less invasive and, above all, simpler sampling method than bronchoalveolar lavage.
PCV3: A novel porcine circovirus associated with PDNS and reproductive failure
Here, a novel porcine circovirus (PCV3) that is distantly related to known circoviruses was identified in sows with porcine dermatitis and nephropathy syndrome (PDNS) and reproductive failure.
Impact of maternally derived immunity on piglets’ immune response and protection against PCV2 after vaccination at different age
This study was aimed at evaluating the clinical protection, the level of Porcine circovirus type 2 (PCV2) viremia and the immune response (antibodies and IFN-γ secreting cells (SC)) in piglets derived from PCV2 vaccinated sows and themselves vaccinated against PCV2 at different age, namely at 4, 6 and 8 weeks.
Assessment of different samples to detect main swine respiratory pathogens
The data present bronchial scraping as an equally effective or even better alternative to bronchoalveolar lavage fluid for detecting main porcine respiratory disease complex agents.
Infectious agents identified in aborted porcine foetuses
PCV-2 and PRRS are the most common infectious causes of abortions. Most abortions are also found to occur during the colder months, regardless of their cause.
The impact of 6 years of PCV2 vaccination on viral presence and immunity in pigs across the United States
PCV2 vaccination is nearly universal. Has viral presence decreased after 6 years of vaccination? Could vaccination policies be changed?
Influence of four commercial PCV2 vaccines on the improvement of production parameters in pigs with maternally derived antibodies
In the presence of high MDA levels, piglets immunized with four commercial PCV2 vaccines showed a significantly reduction of PCV2 infected pigs, viral load...
Influence of PCV2 vaccination on the level of antimicrobial consumption
The estimated impact of PCV-2 vaccination revealed a highly significant decline in total antimicrobial drug use on finishing farms.
Health protocols for replacements: respiratory and systemic diseases (2/3)
We are talking about PRRSV, M. hyo, PCV2, App and swine influenza virus.
National reduction in PCV2 prevalence following introduction of vaccination
Since the introduction of PCV2 vaccines in 2006, viral presence and viral loads have greatly decreased, and a genotypic shift dominated by PCV2b has occurred.
Comparative efficacy of concurrent administration of a PCV2 vaccine plus a PRRSV in pigs challenged with both viruses
Under the conditions of this study, it makes no difference to protection whether PCV2 and PRRSV vaccines are administered concurrently. Concurrent vaccination is efficacious for controlling co-infection with PCV2 and PRRSV.
The challenge of Porcine Circovirus type 2 (PCV2) intra-specific taxonomic classification
All available vaccines in the European and North-American market are based on PCV2a genotype, while the most prevalent ones are PCV2b and PCV2d ones. Although significant level of cross-protection among these three genotypes has been demonstrated, it would be interesting to assess if vaccine efficiency would be equivalent in front of all these different genotypes.
Clinical case: Problems with Salmonellosis and PCV2-associated disease in nursery and early fattening
We got a call to visit a fattening farm where 7-week-old piglets presented meningitis and diarrhoea after weaning, with a mortality rate of 5% three weeks after weaning.
Development and application of an indirect ELISA for the diagnosis of PCV-like virus P1
The indirect ELISA that we developed with rctCap, the recombinant capsid fragment containing the 217–342 nt repeat domain, was sensitive, specific, and suitable for the large-scale detection of P1 infections in swine.
Effect of PCV2 infection on reproduction: disease, vertical transmission, diagnostics and vaccination
The immune status of farms is quite possibly different from the one they had before piglets mass vaccinations.