Feed conversion (kilograms dry matter feed per kilogram product) and per
feed type composition for the main production species, from Bouwman et al.
(2005). Migrated from the afsetools Codes_coefs.xlsx workbook.
Format
A tibble with one row per species, feed type, region and anchor year:
- item_bouwman
Bouwman species label (Beef cattle, Dairy cattle, Pigs, Poultry, Sheep and goats).
- feed_type
Feed type: animals, crops, grass, residues or scavenging.
- year
Anchor year (1970, 1995 or 2030).
- region_bouwman
Bouwman seventeen region label.
- conversion
Per feed type conversion factor (kg DM feed per kg product). Sum across feed types is the total feed conversion ratio; normalised across feed types it gives the default feed composition shares.