24674
Pregnant Wistar rats were administered either corn oil ( vehicle ) or testosterone propionate at 0 . 2 mg / kg from gestational day 12 until the end of lactation and the reproductive function of male offspring was evaluated at 90 ( adulthood ) and 270 ( middle age ) days of age .
 Chemical: testosterone propionate
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: testosterone propionate 
Answer:
 Chemical: testosterone propionate