6417
To date , there are 5920 cattle , 3442 chicken , 7451 pigs , 753 sheep and 88 rainbow trout data points in the database , and at least 290 publications that cite use of the database .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None