The urea nitrogen has a decreasing trend with the increase of the amount of beneficial bacteria liquid, and the difference is not significant (P>0.05), and the difference in total protein and albumin is not significant (P>0.05).
Urea nitrogen decreased with the increase of probiotics, and the difference was not significant (P > 0.05), but there was no significant difference in total protein and albumin (P > 0.05).<br>