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Bulletin No. 16 - Fall 2003
Summary
There is a lot of information in this issue. Very briefly, PRRS virus (PRRSV) is confirmed to induce immunomodulation. Several papers have confirmed that CD8+ T lymphocytes play an important role in the defense against PRRSV.PRRSV is also claimed to interfere with Swine influenza inactivated vaccines. This goes in the same direction as the previous findings of the same team (E. Thacker et al., ISU, Ames, IA) which showed an interference between PRRSV infection and M. hyo vaccination.
On the forefront of PCV2 research, among other topics under debate, the type of cell where the virus primarily replicates and the link between immuno-stimulation and PCV2 diseases are said to be still unknown.
Contents
Parasitology- - No Category
- A survey of parasite infection on organic, free range and conventional pig farms in the Netherlands.
- Associated disease caused in pigs by Ascaris and Oesophagostomum.
- Efficacy of ivermectin premix against parasitic disease in piglets.
- Helminth infections in Danish organic swine herds.
- Host age influence on the intensity of experimental Trichuris suis infection in pigs.
- Internal parasitism of feeder pigs in Southern Illinois.
- Some aspects of the epizootiology and economic significance of ascariasis in swine.
- Study on some factors influencing the incidence of G I parasitism in pigs.
- The effect of inulin and sugar beet fibre on Oesophagostomum dentatum infection in pigs.
- The gradual weaning process in outdoor sows and piglets in relation to nematode infections.
- The incidence of helminth infections in sows and piglets in southern Germany.
- The influence of stocking rate on transmission of helminth parasites in pigs on permanent pasture during two consecutive summers.
- Porcine Reproductive and Respiratory Syndrome (PRRS)
- A testing procedure to evaluate gilts' PRRSV acclimatization.
- Concurrent circulation of PRRSV-US within swine herd in Poland.
- Detection of pathogens in aborted fetuses and stillborn piglets.
- Genetic diversity (ORF5) of PRRSV isolates from a herds with SAMS
- Immunity to porcine reproductive and respiratory syndrome virus (PRRSV) : systemic and local responses in acute and persistent infection.
- In utero infection with PRRSV affects immune functions of surviving piglets.
- Influence of PRRS virus infection on swine influenza vaccine efficacy
- Molecular epidemiology of porcine reproductive and respiratory syndrome virus (PRRSV) in Qu?bec.
- Porcine reproductive and respiratory syndrome : control and vaccinology.
- PRRSV infection increases CD14 expression and LSP-binding protein in the lungs : possible mechanisms of PRRSV-LPS clinical synergy.
- PRRSV vaccination study: interleukin-12 to enhance killed vaccine immunity and combined vaccination with modified live and killed vaccines.
- Transmission of PRRSV by individual houseflies (Musca domestica)
- Upregulation of IL-10 gene expression in the peripheral blood mononuclear cells (PBMC) of pigs infected with porcine reproductive and respiratory syndrome virus (PRRSV).
- PMWS-PCV2-PCVD-PDNS
- Characterization and comparison of porcine circovirus sequences from postweaning multisystemic wasting syndrome affected and non-affected herds.
- Comparative serological and virological study of herds with and without postweaning multisystemic wasting syndrome (PMWS).
- Dendritic cells: a Trojan horse for porcine circovirus type 2?
- Epidemiological investigation on infection of porcine circovirus type 2 in intensive swine farms in China.
- First description of postweaning multisystemic wasting syndrome in the wild boar (Sus scrofa) in Europe.
- Genotyping versus pathotyping for the characterization of PCV-2 isolates.
- How we diagnose postweaning multisystemic wasting syndrome.
- Serological profiles in Danish PMWS case and control herds.
- The pathogenesis of PCV-2-associated postweaning multisystemic wasting syndrome in swine.
- General Session
- How viruses change.
- Swine Influenza
- Serological prevalence for swine influenza virus in pigs between 3 and 15 weeks of age in Italian farms: evaluation of a maternal antibody decay curve.
- The establishment of an H1N2 influenza virus in the European swine population and its impact on prevention and control.
- Use of a standard kit for the diagnosis of respiratory viral infections in pigs.
- - No Category
- Asia's production dominance.
- Cost competitiveness of leading exporters
- Problems of mycotoxins? and some solutions.
- - No Category
- Bovine but not porcine are productively experimentally infected with caprine arthritis encephalitis virus (CAEV).
- Cross-protection studies in pigs with serologically distinct swine influenza virus subtypes.
- Evolutionary aspects of cell recognition by viruses.
- New advances in veterinary vaccines.
- Porcine repiratory coronavirus: a SARS model to be considered.
- PMWS-PCV2-PCVD-PDNS
- Coinfection by Cryptosporidium parvum and porcine circovirus type 2 in weaned pigs.
- PMWS diagnosed in farmed wild boar.
- Post-weaning multisystemic wasting syndrome (PMWS) and porcine circovirus type 2 infection in Spain.
- Aujesky's disease
- Eradication of Aujeszky's disease in Germany.
- Swine Influenza
- Investigations of the efficacy of European H1N1- and H3N2-based swine influenza vaccines against the novel H1N2 subtype.
- Porcine Reproductive and Respiratory Syndrome (PRRS)
- Involvement of sialoadhesin in entry of porcine reproductive and respiratory syndrome virus into porcine alveolar macrophages.
- Porcine Respiratory Disease Complex (PRDC)
- Porcine respiratory disease and complexes : the story to date.
- Classical Swine Fever
- Scourge of the Asian pig industry.
- Virulence of recent and former classical swine fever virus isolates evaluated by their clinical and pathological signs.
- Mycoplasma hyorhinis
- Identification and Characterization of Cytopathogenic Mycoplasma hyorhinis from Swine Farms with a History of Abortions.
- Escherichia coli & Clostridium dificile / perfrigens
- Post-weaning problems in outdoor pig production caused by Escherichia coli and Clostridium perfringens type A.
