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Bulletin No. 28 - Winter 2007
Summary
This 28th issue of the Merial Swine Bibliographic Bulletin features many articles in the virology section on Porcine Circovirus type 2 and Porcine Reproductive and Respiratory Syndrome (PRRS). In addition to our usual sources, references this time also come from the following proceedings: 19th IPVS Congress, Copenhagen, Denmark, 2006; International Symposium on Pig Health and Production (SEPOR), 2006 and ESVV - 7TH International Congress of Veterinary Virology, Lisbon, Portugal, 2006.
Contents
Bacterology
Mycoplasma hyopneumoniae
- Mycoplasma hyopneumoniae disease assessment and identification of risk factors through the evaluation of the lung-score in the Italian heavy weight pigs.
- Alternative vaccination schemes against Mycoplasma hyopneumoniae in pigs reared for Italian D.O.P. ham production.
- Assessing the Mycoplasma hyopneumoniae infection pattern in a sow herd following an increase in the replacement rate.
- Assessment of the effect of sow parity on the prevalence of Mycoplasma hyopneumoniae in piglets at weaning.
- Characterization of the T cell subsets involved in Mycoplasma hyopneumoniae-specific long-lasting cellular immunity.
- Correlation between severity of Mycoplasma hyopneumoniae lung lesions and carcass quality in Italian heavy weight pigs.
- Effect of Mycoplasma hyopneumoniae vaccination on the economic performance of pigs co-infected with M. hyopneumoniae and porcine circovirus type 2.
- Evaluation of Mycoplasma hyopneumoniae vaccination in a M. hyopneumoniae/porcine circovirus type 2 co-infection model.
- Incidence of SEP-like lung lesions at slaughter before, during and after employing vaccination of fatteners against Mycoplasma hyopneumoniae.
- Prevalence of Mycoplasma hyopneumoniae in piglets at weaning as a predictor of the severity of the disease in growing pigs.
- Prevalence of enzootic pneumonia, pleuropneumonia, and pleuritis in slaughter pigs in Korea.
- Twenty-week duration of immunity in seropositive piglets with experimental one-injection Mycoplasma hyopneumoniae vaccines.
Erysipelothrix rhusiopathiae
Zoonoses
Virology
PMWS-PCV2-PCVD-PDNS
- Absence of PCV2-neutralizing antibodies in PMWS-affected pigs.
- Circovaccination of the sow herd, a new tool in the control of PCVD.
- Coming full circle: The impact of PCVD in the pig meat cycle.
- Detection of neutralizing antibodies in pigs with different porcine circovirus type 2 infection status.
- Estimation of the national prevalence of PMWS using two different data sources.
- Evaluation of postweaning multisystemic wasting syndrome (PMWS) impact in Western Europe through a survey implemented by swine veterinarians.
- Field evaluation of the effects of a PCV2 vaccine (CIRCOVAC®) in Germany during the exceptional license process.
- First isolation and serology to PCV2 in Mexico.
- Molecular biology and immunology of porcine circoviruses.
- Nested polymerase chain reaction detection and duration of porcine circovirus type 2 in semen with sperm morphological analysis from naturally infected boars.
- PCR detection of porcine circovirus type 2 (PCV2) DNA in blood, tonsillar and faecal swabs from experimentally infected pigs.
- PCV2 induced granulomatous enteritis in growing pigs.
- PMWS in Denmark: Epidemiology, Diagnosis and Control.
- PMWS in Sweden - the first two years with the disease.
- PMWS protection of pigs born to sows vaccinated with an inactivated PCV2 vaccine under field conditions.
- PMWS-laboratory diagnosis on herd and pig level in a Danish case-control study.
- PMWS/PCVD: diagnosis, disease and control: what do we know?
- Porcine circovirus disease in Canada… A circle within a wheel.
- Porcine circovirus type 2 and associated disease in Romania.
- Prevalence of postweaning multisystemic wasting syndrome by porcine circovirus 2 in Korea.
- Protection of piglets against a PCV2 experimental challenge by vaccinating gilts with an inactivated adjuvanted PCV2 vaccine, CIRCOVAC®: serological, clinical and pathological aspects.
- Shedding of porcine circovirus into colostrum of sows.
- The level of PCV2 specific antibodies and viremia in pigs.
- Virological protection of piglets against a PCV2 experimental challenge by vaccinating gilts with an inactivated adjuvant PCV2 vaccine.
Porcine parvovirus
- Characterization of the parvovirus-specific immune response induced by swine erysipelas/parvovirus combo vaccine (PARVORUVAX®) in pigs.
- Comparative safety of different combined parvovirosis/erysipelas vaccines commercially available in France.
- Parvovirus seroneutralising antibody response after vaccination with a swine erysipelas and parvovirus vaccine: PARVORUVAX® .
Swine Influenza
- Current situation of swine influenza in Germany.
- Investigation of the ability of the M2 protein to enhance cross protection against different SIV isolates.
- Swine influenza virus as reason of serious reproduction disorders.
Porcine Reproductive and Respiratory Syndrome (PRRS)
- Different European-type vaccines against porcine reproductive and respiratory syndrome virus have different immunological properties and confer different protection to pigs.
- Do Lelystad virus like virus isolates represent EU strain based PRRS vaccine reisolates?
- Effect of a PRRSV inactivated vaccine on health status and semen characteristics of boars.
- Effect of the number of booster vaccinations of an inactivated PRRSV vaccine on sow health status.
- Enzyme-linked immunosorbant assay (ELISA) response in sera repeatedly vaccinated with a PRRS killed vaccine.
- Field evaluation of the efficacy of a PRRS inactivated vaccine Progressis® in the Czech Republic conditions.
- Genetic diversity of American-type vaccine-derived PRRS isolates in Germany.
- Long-term administration of a commercial porcine reproductive and respiratory syndrome virus (PRRSV)-inactivated vaccine in PRRSV-endemically infected sows.
- Porcine reproductive and respiratory syndrome virus (PRRSV) entry in macrophages.
- Relationship between piglet PRRS seroprevalence at the end of nursery and reproduction disorders due to PRRS in sows.
- Systemic cytokine productions in pigs vaccinated with a modified live PRRS vaccine and challenged with Thai PRRSV isolates.
- The effect of long-term vaccination of sows with a PRRSV inactivated vaccine on their health status and performance.
- The effect of long-term vaccination of sows with a PRRSV inactivated vaccine on their litter characteristics.
- The effect of modified live PRRSV vaccine in boars.
- The use of modified live PRRSV vaccine to acclimatize PRRSV positive gilts prior to entry into a PRRSV positive swine herd.
- Validation of serum samples pooling efficacy in regards of the diagnosis of PRRS virus by ELISA and QRT-PCR.
Miscelleanous
Production
- Estados Unidos: pasado, presente y futuro de la producción porcina.
- Evolución y perspectivas en la producción porcina de China.
- La industria porcina en Canadá: pasado, presente y futuro.
- Pig characteristics associated with mortality and light exit weight for the nursery phase.
- Producción de cerdos in Brasil.
- Sickness behaviour and stress susceptibility in the pig.
- Unión Europea: a la vanguardia en la creación de valores añadidos a la carne de porcino.
Immunology
Physiology
Biology