Landbrug og biologi
biosecurity
100%
multivariate analysis
83%
sows
81%
vaccines
71%
herds
68%
anti-infective agents
64%
swine production
29%
vaccination
22%
farm buildings
13%
Mycoplasma hyopneumoniae
11%
herd health
11%
Porcine reproductive and respiratory syndrome virus
10%
zinc oxide
10%
telephones
10%
herd size
9%
cross-sectional studies
9%
health status
9%
factor analysis
8%
animal welfare
8%
human resources
8%
interviews
8%
piglets
7%
questionnaires
7%
livestock
6%
industry
5%
swine
5%
infection
4%
Medicin og biovidenskab
Swine
66%
Vaccines
62%
Multivariate Analysis
59%
Vaccination
50%
Health Status
36%
Mycoplasma hyopneumoniae
34%
Animal Welfare
30%
Porcine respiratory and reproductive syndrome virus
29%
Zinc Oxide
28%
Livestock
25%
Farms
23%
Industry
19%
Statistical Factor Analysis
18%
Prescriptions
17%
Occupational Groups
14%
Interviews
13%
Cross-Sectional Studies
13%
Databases
12%
Health
10%
Infections
9%