27378
This study was conducted to evaluate the efficacy of citrus fruit oil ( CFO ; 2 . 5 g kg ( - ) ( 1 ) ) on the clinicopathological changes in broilers fed with diets containing 1 ppm of aflatoxin ( AF ) .
 Chemical: aflatoxin
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: aflatoxin