Agricultura y biología
animals
18%
antibodies
14%
blood sampling
12%
cattle
6%
cost effectiveness
12%
cross-sectional studies
12%
dairy herds
84%
enzyme-linked immunosorbent assay
9%
herd size
13%
herds
65%
infection
41%
milk
22%
milk tanks
44%
Peru
80%
planning
10%
prediction
7%
sampling
16%
seroprevalence
23%
Sweden
10%
testing
17%
viruses
7%
young animals
12%
Medicina y ciencias biológicas
Animals
39%
Antibodies
21%
Cattle
15%
Cost-Benefit Analysis
17%
Cross-Sectional Studies
12%
Enzyme-Linked Immunosorbent Assay
13%
Infections
37%
Logistic Models
25%
Milk
55%
Personal Autonomy
25%
Peru
100%
Population
7%
Seroepidemiologic Studies
21%
Sweden
19%
Viruses
13%
Ciencias ambientales y de la tierra
animal
53%
antibody
33%
blood
12%
cattle
15%
cost
8%
exposure
9%
infection
73%
logistics
13%
milk
51%
planning
9%
prediction
7%
program
16%
sampling
26%
test
18%
virus
15%
young
10%