74809
A more precise unit is the " fodder-consuming livestock unit " or " Raufutter verzehrende Großvieheinheit " " ( RGV ) , which corrects the value above based on the demands of a given species and direct , near-natural supply of food ( fibre-rich roughage ) without concentrates .
 concentrates
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 concentrates