Table 1 Search criteria and terms used to facilitate the scientific and grey literature review
Environmental implications | Production system | System component |
|---|---|---|
Broad search at environmental impact level incl., any potential impact categories and pollutants i.e., no specific exclusion criteria here | Exclusive focus on pig systems also referred to as pork or swine production systems | Production (i.e., whole-farm) |
Feed (incl., production, use, strategies, diet formulations) | ||
Animal growth & performance (incl., pig, swine genetics, health & welfare) | ||
Manure (incl., management, storage, treatment within and beyond farm gate) |