Landbrug og biologi
randomized clinical trials
64%
Lawsonia intracellularis
63%
Influenza A virus
62%
oxytetracycline
57%
swine
57%
herds
55%
sows
51%
diarrhea
37%
piglets
36%
vaccination
33%
antibodies
28%
infection
27%
coliform bacteria
24%
dosage
20%
tetracycline
18%
drug therapy
18%
weight gain
18%
Medicin og biovidenskab
Infant Nurseries
100%
Swine
86%
Lawsonia Bacteria
71%
Influenza A virus
61%
Oxytetracycline
61%
Desulfovibrionaceae Infections
42%
Vaccination
30%
Diarrhea
29%
Randomized Controlled Trials
26%
Antibodies
25%
Antigenic Variation
25%
Denmark
24%
Weight Gain
21%
Tetracycline
19%
Disease Outbreaks
16%
Longitudinal Studies
15%
Nose
15%
Geo- og miljøvidenskab
pig
29%
vaccination
23%
coliform bacterium
23%
influenza
23%
antibody
19%
virus
18%
oxytetracycline
15%