90893
" Chelates ( che · late ) [ kee-leyt ] in animal feed " are organic forms of essential trace minerals such as copper , iron , manganese and zinc .
 animal feed
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:
 animal feed