Agriculture & Biology
feed additives
100%
livestock farming
58%
reports (publications)
49%
environmental impact
43%
livestock feeds
38%
mechanism of action
38%
ammonia
37%
meta-analysis
33%
European Union
31%
methane
28%
systematic review
19%
greenhouse gases
17%
research projects
16%
wildlife
14%
pollutants
14%
poultry
12%
livestock
12%
excretion
12%
methodology
12%
odors
11%
physicochemical properties
11%
carbon dioxide
11%
phosphorus
10%
sheep
10%
toxicity
10%
uptake mechanisms
9%
industry
9%
swine
9%
cattle
8%
nitrogen
8%
animals
6%
Business & Economics
Ammonia
62%
Livestock
51%
Farming
43%
Methane
42%
Environmental Impact
41%
Meta-analysis
40%
Policy Process
23%
European Union
22%
Systematic Review
20%
Nitrogen
20%
Phosphorus
19%
Poultry
18%
Carbon Dioxide
17%
Greenhouse Gases
16%
Pig
15%
Cattle
15%
Animals
14%
Efficacy
13%
Incentives
8%
Industry
5%
Medicine & Life Sciences
Livestock
54%
Agriculture
51%
Ammonia
50%
Methane
40%
European Union
33%
Greenhouse Gases
25%
Meta-Analysis
22%
Poultry
18%
Odorants
15%
Phosphorus
15%
Carbon Dioxide
15%
Nitrogen
14%
Industry
13%
Sheep
13%
Motivation
11%
Cattle
11%
Swine
11%
Systematic Reviews
10%
Animals
7%