29817
In this study , domestic chicken eggs were injected with TCPP or TDCPP ( maximum dose = 51600 and 45000 ng / g egg , respectively ) to determine dose - dependent effects on pipping success , development , hepatic messenger RNA ( mRNA ) expression levels of genes associated with xenobiotic metabolism and the thyroid hormone ( TH ) pathway , and TH levels following 20 - 22 days of incubation .
 Chemical: TCPP; Chemical: TDCPP
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: TCPP, TDCPP 
Answer:
 Chemical: TCPP; Chemical: TDCPP