2560
Oxfendazole , which was active for the shortest time ( about 65 days ) from the start of grazing ( May 1 ) , produced a 78 . 1 per cent reduction in Ostertagia species and an 84 . 4 per cent reduction in D viviparus .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None