Keyphrases
Growing pigs
100%
Porcine Reproductive and Respiratory Syndrome Virus
100%
Infection Dynamics
100%
US Midwest
100%
Infection Rate
100%
Pig Herds
100%
Herding
50%
Wean-to-finish
14%
Virus Infection
14%
Risk Factors
7%
PRRSV Infection
7%
Oral Fluid
7%
Quantitative PCR
7%
Vaccine Strain
7%
Modified Live Vaccine
7%
Weaned pigs
7%
Virus Strains
7%
Pig Population
7%
Risk Perception
7%
Biosecurity Practices
7%
Breeding Herd
7%
Vaccinated Population
7%
Nineteen
7%
ORF5
7%
After Weaning
7%
Spatial Sampling
7%
Nucleotide Differences
7%
Closeout
7%
Growing Period
7%
Production Companies
7%
Dense Area
7%
Sampling Regime
7%
Positive Stable
7%
Observational Prospective Cohort Study
7%
Virus Introduction
7%
PRRSV Detection
7%
Immunology and Microbiology
Dynamics
100%
Herd
100%
Porcine Reproductive and Respiratory Syndrome Virus
100%
Wild Type
100%
Vaccine Efficacy
18%
Viral Disease
18%
ELISA
18%
Weaning
18%
Reverse Transcription Polymerase Chain Reaction
9%
Polymerase Chain Reaction
9%
Liquid
9%
Virus Strain
9%
Agricultural and Biological Sciences
Pig
100%
Porcine Reproductive and Respiratory Syndrome Virus
100%
Herd
100%
Biosecurity
11%
Cohort Studies
11%
Risk Factor
11%
Veterinary Science and Veterinary Medicine
Pig
100%
Porcine Reproductive and Respiratory Syndrome Virus
100%