Agriculture & Biology
Porcine reproductive and respiratory syndrome virus
90%
herds
58%
swine
45%
vaccines
27%
weaning
20%
viruses
20%
methodology
19%
Mycoplasma hyopneumoniae
11%
Actinobacillus pleuropneumoniae
10%
bacteriology
10%
cough
9%
seroprevalence
8%
average daily gain
8%
antibody formation
7%
growth performance
6%
enzyme-linked immunosorbent assay
6%
incidence
5%
farms
5%
animals
3%
Medicine & Life Sciences
Porcine respiratory and reproductive syndrome virus
100%
Swine
55%
Weaning
25%
Vaccines
23%
Viruses
20%
Mycoplasma hyopneumoniae
13%
Actinobacillus pleuropneumoniae
12%
Bacteriology
10%
Polysorbates
9%
Farms
8%
Seroepidemiologic Studies
8%
Cough
7%
Antibody Formation
7%
Enzyme-Linked Immunosorbent Assay
5%
Growth
3%
Mortality
3%
Animals
3%
Incidence
3%
Serum
3%