8447
A thirteen week feeding study was conducted by feeding young adult male and female Sprague Dawley [ Crl : CD (R) ( SD ) ] rats diets containing grain from genetically modified ( GM ) DP - O O 4114 - 3 maize that was either untreated ( 4114 ) or treated in the field with glufosinate ammonium ( 4114GLU ) .
 Chemical: glufosinate ammonium
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: glufosinate ammonium