16718
Twelve weaning piglets received during four weeks a control diet or a DON - contaminated diet ( 2 . 3 mg DON / kg feed ) .
 Chemical: DON; Chemical: DON
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: DON; Chemical: DON