9200
All experimental diets were formulated by Purina Mills , LLC ( St . Louis , MO ) in accordance with the standards of Purina Mills Labdiet (R) Certified Rodent LabDiet (R) 5002 .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None