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Unravelling the role of non-responding piglets and sows to vaccination against Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) : prevalence, risk factors and possible consequences

Jorian Fiers (UGent)
(2024)
Author
Promoter
(UGent) and Marylène Tignon
Organization
Abstract
Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) is one of the most important pathogens in pig farms worldwide, as it is responsible for enormous production and economic losses. PRRSV infection in gestating gilts and sows induces reproductive failure, with an increased incidence of irregular return to estrus, abortions, and the birth of weak, premature, or dead piglets. Additionally, respiratory distress (coughing, sneezing, and dyspnea) is observed in infected piglets and growing pigs, resulting in growth retardation and increased mortality. Importantly, PRRSV infection is correlated with a reduction in respiratory immunity, making PRRSV-infected pigs more susceptible to opportunistic, secondary pathogens. Despite the availability of commercial PRRSV vaccines for more than three decades, control of the disease remains a frustrating and challenging task for herd owners worldwide. This thesis was initiated based on field reports stating the presence of piglets and sows that test PRRSV seronegative, despite PRRSV vaccination being practiced: the so-called non-responders to vaccination.

Citation

Please use this url to cite or link to this publication:

MLA
Fiers, Jorian. Unravelling the Role of Non-Responding Piglets and Sows to Vaccination against Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) : Prevalence, Risk Factors and Possible Consequences. Ghent University. Faculty of Veterinary Medicine, 2024.
APA
Fiers, J. (2024). Unravelling the role of non-responding piglets and sows to vaccination against Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) : prevalence, risk factors and possible consequences. Ghent University. Faculty of Veterinary Medicine, Merelbeke, Belgium.
Chicago author-date
Fiers, Jorian. 2024. “Unravelling the Role of Non-Responding Piglets and Sows to Vaccination against Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) : Prevalence, Risk Factors and Possible Consequences.” Merelbeke, Belgium: Ghent University. Faculty of Veterinary Medicine.
Chicago author-date (all authors)
Fiers, Jorian. 2024. “Unravelling the Role of Non-Responding Piglets and Sows to Vaccination against Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) : Prevalence, Risk Factors and Possible Consequences.” Merelbeke, Belgium: Ghent University. Faculty of Veterinary Medicine.
Vancouver
1.
Fiers J. Unravelling the role of non-responding piglets and sows to vaccination against Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) : prevalence, risk factors and possible consequences. [Merelbeke, Belgium]: Ghent University. Faculty of Veterinary Medicine; 2024.
IEEE
[1]
J. Fiers, “Unravelling the role of non-responding piglets and sows to vaccination against Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) : prevalence, risk factors and possible consequences,” Ghent University. Faculty of Veterinary Medicine, Merelbeke, Belgium, 2024.
@phdthesis{01HWSNWZGTVEG41A7WYGYVY54R,
  abstract     = {{Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) is one of the most important pathogens in pig farms worldwide, as it is responsible for enormous production and economic losses. PRRSV infection in gestating gilts and sows induces reproductive failure, with an increased incidence of irregular return to estrus, abortions, and the birth of weak, premature, or dead piglets. Additionally, respiratory distress (coughing, sneezing, and dyspnea) is observed in infected piglets and growing pigs, resulting in growth retardation and increased mortality. Importantly, PRRSV infection is correlated with a reduction in respiratory immunity, making PRRSV-infected pigs more susceptible to opportunistic, secondary pathogens. Despite the availability of commercial PRRSV vaccines for more than three decades, control of the disease remains a frustrating and challenging task for herd owners worldwide. This thesis was initiated based on field reports stating the presence of piglets and sows that test PRRSV seronegative, despite PRRSV vaccination being practiced: the so-called non-responders to vaccination.}},
  author       = {{Fiers, Jorian}},
  language     = {{eng}},
  pages        = {{188}},
  publisher    = {{Ghent University. Faculty of Veterinary Medicine}},
  school       = {{Ghent University}},
  title        = {{Unravelling the role of non-responding piglets and sows to vaccination against Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) : prevalence, risk factors and possible consequences}},
  year         = {{2024}},
}