Molasses
 
Granulated sugar-beet pulp
 
Fresh sugar-beet bagasse
 
Rapeseed expeller
 
Sugar
 
Meat and bone meal
 
Fish meal
 
Peat briquettes
 
Blood meal
 
Feather-blood meal
 
Rapeseed oil cake
 
Oil
 
Animal Fat (Technical)
 

Feather meal is a byproduct of processing poultry; it is made from poultry feathers by partially hydrolyzing them under elevated heat and pressure, and then grinding and drying. Although total nitrogen levels are fairly high (up to 12%), the bioavailability of this nitrogen may be low.