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In this study , the effect of one commercial nanocompound , Nanocid ( Nano Nasb Pars Co . , Iran ) was evaluated in reduction of aflatoxin effects on the growth and performance indices in broiler chickens suffering from experimental aflatoxicosis .
 Chemical: aflatoxin
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: aflatoxin 
Answer:
 Chemical: aflatoxin