Porcine Health Management

Chosen Topics:

Virology and Viral Diseases

16 - 30 of 144

Antibody responses to influenza virus type A (IVA) from weaning up to marketing in pigs in Ontario, Canada

Swine influenza causes by type A influenza virus (IVA) is one of the important swine respiratory problem resulting in decreased herd health, poorer quality meat products, and producer profits. Understanding the trends in seropositivity of the pathogen at...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
University of Guelph

Economic benefit of an increase in piglets weaned after achieving PRRS stability in a large integrated pig production system in Europe

PRRS instability in breeding herds can affect productivity reducing the number of piglets weaned due to the reduction in piglets born alive and the increase in pre-weaning mortality. The aim of this study was to evaluate the economic benefits of achieving...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
Laboratorios HIPRA S.A, Amer, Spain

Time to stabilization in 9 Spanish farms experiencing PRRS outbreaks by vaccinating piglets at processing

Sow vaccination against PRRS (Porcine Reproductive and Respiratory Syndrome) is common practice to achieve farm stability and production ofnewborn piglets negative to wild-type PRRS virus (WT-PRRSv). Recently, piglet vaccination has proven to reduce/delay...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
Zoetis Spain

PRRSV molecular epidemiology is able to audit biosecurity in pig production companies

Porcine reproductive and respiratory syndrome (PRRSV) is one of the most important viral diseases affecting pig production. The introduction of new PRRSV strains and/or the appearance of new outbreaks due to endemic PRRSV strains are key points to control...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
Grup de Sanejament Porci, Lleida, Spain

Co-infection by porcine circovirus type 2 (PCV2) and porcine parvoviruses 1-7 (PPV1-7) in serum of pigs

PPV1 is considered as a co-factor of porcine circovirus type 2 associated diseases (PCVD). A link between PCV2 and PPV2 or PPV4 was also suggested.The aim of the study was to investigate the correlation between the presence of PCV2 and PPV1-7 in serum of...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
Department of Pathology and Veterinary Diagnostics, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland

Macroscopic and microscopic evaluation of central nervous system of piglets experimentally inoculated with Bovine Viral Diarrhea Virus during foetal...

Pestivirus can cause hypomyelination and cerebellar hypoplasia in the central nervous system (CNS) of different animal species. BVDV, an important pestivirus, is known to infect pigs naturally. Thus, our study aimed at evaluating if BVDV-2 could cause...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
São Paulo State University (Unesp), School of Agricultural and Veterinarian Sciences, Jaboticabal, São Paulo, Brazil

Experimental inoculation of Bovine Viral Diarrhea Virus in pregnant gilts did not induce congenital persistent infection in piglets

Bovine viral diarrhea virus (BVDV) congenital persistently infection (PI) in cattle enables the spread of this virus in the herd, and interferes with the control of the disease. Classical swine fever virus (CSFV), a devastating virus in swine production,...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
São Paulo State University (Unesp), School of Agricultural and Veterinarian Sciences, Jaboticabal, São Paulo, Brazil

Detection of porcine circovirus type 2 (PCV2) in different diagnostic materials

The aim of the study was to compare the presence of PCV2 DNA in serum, feces and oral fluid from pigs from 10 Polish farms vaccinated against PCV2.
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
Department of Pathology and Veterinary Diagnostics, Faculty of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland

Results of diagnostic samples from swine for Swine Influenza A Virus in the Netherlands and Belgium in 2018

Here we present the analysis of samples from swine gathered by veterinarians in The Netherlands and Belgium in 2018 and analysed by IVD GmbH, Innovative Veterinary Diagnostics, Seelze, Germany, for Swine Influenza A Virusses (IAV).
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
IDT-Biologika Benelux

Success of a new PRRS control program, including routine early piglet vaccination, in a persistently affected Spanish farm

Effective control of Porcine Reproductive and Respiratory Syndrome (PRRS) remains a priority in most commercial pig farms. The study objective was to assess the efficacy of an improved PRRS management program, including vaccination of sows and routine...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
Agropormanso

Prevalence of PRRS virus in nursery pigs in Dutch farms in between October 2017 and March 2018

PRRS (Porcine Reproductive and Respiratory Syndrome) is one of the most important pig diseases, and its significance in the Netherlands seems to be increasing, especially during the early nursery period. To gain insights about the extent of the problem,...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
ZOETIS B.V., Rivium Westlaan 74, Capelle ad Ijssel, The Netherlands

Evaluation of serum porcine teschovirus titer in grower pigs with neurological signs – a longitudinal study

In an organic fattening pig herd in Switzerland growers presented with anorexia, inappetence, poor growth, fever and neurological signs. After necropsy of affected pigs, porcine teschovirus (PTV) had been identified in the gastrointestinal tract and...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
IAEW, Martin Luther University, Halle-Wittenberg, Germany;Clinic for Swine, Vetsuisse Faculty, University of Bern, Switzerland

Monitoring the efficacy of a new PRRS vaccination program in a farm experiencing an outbreak using a new DIVA PCR PRRS test

The Porcine Reproductive and Respiratory Syndrome wild type virus (WT-PRRSv) typically spreads in nursery pigs when passive maternal immunity wanes, resulting in viremia peaks at around 7 weeks of age. The objective was to evaluate the efficacy of a new...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
Agro-Test-Control, S.L

Absence of Bovine Viral Diarrhea Virus effect on the seminal quality of experimentally infected boars

Viral infections in pigs may result in loss of reproductive performance because they can affect factors related to seminal quality. The aim of the present study was to promote the experimental infection of boars with BVDV-2a and evaluate the viral...
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
São Paulo State University (Unesp), School of Agricultural and Veterinarian Sciences, Jaboticabal, São Paulo, Brazil

Safety and Efficacy of PRRS vaccination in piglets at 1 to 4 days of age in a Flemish farm

PRRS is an important swine disease and piglet vaccination is being increasingly used in control programs. The current field trial was designed to evaluate the safety and efficacy of early piglet vaccination using a new vaccine.
Type
Abstract
Year
2019
Topic
Virology and Viral Diseases
Affiliation
DAP Vedanko, Keukelstraat 66A, 8750 Wingene, Belgium