5850
Both before and after parturition , H cows had higher preprandial plasma concentrations of acyl ghrelin , a higher acyl : total ghrelin ratio , lower plasma triacylglyceride concentrations and a lower respiratory quotient compared with L cows .
 acyl, acyl, triacylglyceride
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 acyl, acyl, triacylglyceride